# 2018 in sports by month
## Calendar by month
### January

| Date | Sport | Venue/Event | Status | Winner/s |
| 14 December 2017–1 | Darts | 2018 PDC World Darts Championship | International | Rob Cross |
| 1 | Ice hockey | 2018 NHL Winter Classic | Domestic | New York Rangers |
| 26 December 2017–5 | Ice hockey | 2018 World Junior Ice Hockey Championships | International | Canada |
| 5–7 | Speed skating | 2018 European Speed Skating Championships | Continental | Netherlands |
| 29 December 2017–6 | Ski jumping | / 2017–18 Four Hills Tournament | International | Kamil Stoch |
| 30 December 2017–6 | Tennis | 2018 Hopman Cup | International | Switzerland (Belinda Bencic & Roger Federer) |
| 6–12 | Ice hockey | 2018 IIHF World Women's U18 Championship Division I – Group B | International | Denmark was promoted to Division I – Group A Australia was relegated to Division I – Group B Qualification |
| 6–13 | Ice hockey | 2018 IIHF World Women's U18 Championship | International | United States |
| 6–14 | Darts | 2018 BDO World Darts Championship | International | Men: Glen Durrant Women: Lisa Ashton |
| 6–14 | Rugby sevens | / 2018 Sudamérica Rugby Sevens | Continental | South Africa Academy (invitational team) |
| 6–20 | Rally raid | // 2018 Dakar Rally | International | Cars: Carlos Sainz ( Team Peugeot Total) Bikes: Matthias Walkner ( Red Bull KTM Factory Racing) Quads: Ignacio Casale ( Casale Racing) Trucks: Eduard Nikolaev ( Kamaz) UTV: Reinaldo Varela (South Racing Can-Am) |
| 30 December 2017–7 | Cross-country skiing | // 2017–18 Tour de Ski | International | Men: Dario Cologna Women: Heidi Weng |
| 8 | American football | 2018 College Football Playoff National Championship | Domestic | Alabama Crimson Tide |
| 8–14 | Ice hockey | 2018 IIHF World Women's U18 Championship Division I – Group A | International | Japan was promoted to Top Division Norway was relegated to Division I – Group B |
| 8–20 | Cricket | / 2018 Blind Cricket World Cup | International | India |
| 9–27 | Association football | 2018 AFC U-23 Championship | Continental | Uzbekistan |
| 10–16 | Ice hockey | 2018 World Junior Ice Hockey Championships Division II – Group B | International | Spain was promoted to Division II – Group A Turkey was relegated to Division III |
| 11–14 | Bandy | 2018 Women's Bandy World Championship | International | Sweden |
| 11–14 | Curling | 2018 Continental Cup of Curling | International | / Team North America |
| 11–28 | Bowls | 2018 World Indoor Bowls Championship | International | Open: Mark Dawes Women: Katherine Rednall |
| 12–14 | Golf | 2018 EurAsia Cup | International | Europe |
| 12–14 | Indoor field hockey | 2018 Men's EuroHockey Indoor Nations Championship | Continental | Austria |
| 12–14 | Speed skating | 2018 European Short Track Speed Skating Championships | Continental | Men: Sjinkie Knegt Women: Arianna Fontana |
| 12–28 | Handball | 2018 European Men's Handball Championship | Continental | Spain |
| 13 | Formula E | 2018 Marrakesh ePrix (FE #3) | International | Felix Rosenqvist ( Mahindra Racing) |
| 13–31 | Association football | 2018 South American Under-20 Women's Football Championship | Continental | Brazil |
| 13–3 February | Cricket | 2018 Under-19 Cricket World Cup | International | India |
| 13–4 February | Association football | 2018 African Nations Championship | Continental | Morocco |
| 14–21 | Snooker | 2018 Masters (Triple Crown #2) | International | Mark Allen |
| 15–21 | Figure skating | 2018 European Figure Skating Championships | Continental | Men: Javier Fernández Ladies: Alina Zagitova Pairs: Russia (Evgenia Tarasova & Vladimir Morozov) Ice dance: France (Gabriella Papadakis & Guillaume Cizeron) |
| 15–28 | Tennis | 2018 Australian Open (Grand Slam #1) | International | Men: Roger Federer Women: Caroline Wozniacki |
| 17–27 | Handball | 2018 African Men's Handball Championship | Continental | Tunisia |
| 18–28 | Association football | 2018 CONCACAF Women's U-20 Championship | Continental | Mexico |
| 18–28 | Handball | 2018 Asian Men's Handball Championship | Continental | Qatar |
| 19–21 | Indoor field hockey | 2018 Women's EuroHockey Indoor Nations Championship | Continental | Germany |
| 19–21 | Ski jumping | FIS Ski Flying World Championships 2018 | International | Individual: Daniel-André Tande Team: Norway |
| 19–25 | Surfing | 2018 ISA World Longboard Surfing Championship | International | Men's open: Kai Sallas Women's open: Tory Gilkerson Aloha Cup: United States Team points: United States |
| 20–21 | Luge | 2018 Junior European Luge Championships | Continental | Germany |
| 20–28 | Netball | / 2018 Netball Quad Series (January) | International | Australia |
| 22–27 | Figure skating | 2018 Four Continents Figure Skating Championships | International | Men: Jin Boyang Ladies: Kaori Sakamoto Pairs: United States (Tarah Kayne & Danny O'Shea) Ice dance: United States (Kaitlin Hawayek & Jean-Luc Baker) |
| 22–28 | Biathlon | 2018 IBU Open European Championships | Continental | France |
| 22–28 | Ice hockey | 2018 World Junior Ice Hockey Championships Division III | International | Israel was promoted to Division II – Group B New Zealand was relegated to Division III Qualification |
| 25–28 | Bobsleigh & Skeleton | 2018 IBSF Junior & U23 World Championships | International | Germany |
| 25–28 | Multi-sport | Winter X Games XXII | International | United States |
| 25–28 | Rallying | 2018 Monte Carlo Rally (WRC #1) | International | Sébastien Ogier & Julien Ingrassia ( M-Sport) |
| 25–20 October | Rallying | 2018 FIA R-GT Cup | Continental | France (Raphaël Astier & Frédéric Vauclaire) |
| 26–28 | Darts | 2018 Masters | International | Michael van Gerwen |
| 26–28 | Rugby sevens | 2018 Sydney Sevens (WRSS #3) 2018 Sydney Women's Sevens (WRWSS #2) | International | Men: Australia Women: Australia |
| 27 | Horse racing | 2018 Pegasus World Cup | International | Horse: Gun Runner Jockey: Florent Geroux Trainer: Steve Asmussen |
| 27–28 | Ice hockey | 63rd National Hockey League All-Star Game | Domestic | Pacific Division (NHL) MVP: Brock Boeser ( Vancouver Canucks) |
| 27–28 | Luge | FIL European Luge Championships 2018 | Continental | Russia |
| 27–4 February | Nordic skiing | 2018 Nordic Junior World Ski Championships | International | Norway |
| 27–3 March | Rugby union | ///// 2018 Americas Rugby Championship | Continental | United States |
| 28 | American football | 2018 Pro Bowl | Domestic | American Football Conference (AFC) Offensive MVP: Delanie Walker ( Tennessee Titans) Defensive MVP: Von Miller ( Denver Broncos) |
| 28–4 February | Bandy | / 2018 Bandy World Championship | International | Division A: Russia Division B: Netherlands |
| 30–4 February | Biathlon | 2018 IBU Junior Open European Championships | Continental | Russia |
| 30–4 February | Ice hockey | 2018 IIHF World Women's U18 Championship Division I – Group B Qualification | International | Netherlands was promoted to Division I – Group B |
| 30–8 February | Alpine skiing | World Junior Alpine Skiing Championships 2018 | International | Switzerland |
| 30–10 February | Futsal | UEFA Futsal Euro 2018 | Continental | Portugal |

### February

| Date | Sport | Venue/Event | Status | Winner/s |
| 1–3 | Athletics | 2018 Asian Indoor Athletics Championships | Continental | Kazakhstan |
| 1–4 | Roller derby | 2018 Roller Derby World Cup | International | United States |
| 1–11 | Futsal | 2018 AFC Futsal Championship | Continental | Iran |
| 2–3 | Luge | 2018 Junior World Luge Championships | International | Germany |
| 2–3 | Motorsport | 2018 Race of Champions | International | Race of Champions: David Coulthard Nations' Cup: Germany (Timo Bernhard & René Rast) |
| 2–8 | Baseball | 2018 Caribbean Series | Regional | Criollos de Caguas |
| 2–18 March | Rugby union | ///// 2018 Women's Six Nations Championship | Continental | France |
| 3 | Formula E | 2018 Santiago ePrix (FE #4) | International | Jean-Éric Vergne ( Techeetah) |
| 3–4 | Cyclo-cross | 2018 UCI Cyclo-cross World Championships | International | Men: Wout van Aert Women: Sanne Cant |
| 3–4 | Rugby sevens | 2018 New Zealand Sevens (WRSS #4) | International | Fiji |
| 3–4 | Table tennis | 2018 Europe Top 16 Cup | Continental | Men: Timo Boll Women: Bernadette Szőcs |
| 3–17 March | Rugby union | ///// 2018 Six Nations Championship | Continental | Ireland |
| 4 | American football | Super Bowl LII | Domestic | Philadelphia Eagles |
| 5–7 | Ice hockey | 2018 World Junior Ice Hockey Championships Division III Qualification | International | South Africa was promoted to Division III |
| 6–11 | Badminton | 2018 Badminton Asia Team Championships | Continental | Men: Indonesia Women: Japan |
| 6–11 | Badminton | 2018 Oceania Badminton Championships | Continental | Men: Abhinav Manota Women: Chen Hsuan-yu |
| 7–11 | Amateur wrestling | 2018 African Wrestling Championships | Continental | Freestyle: Nigeria Greco-Roman: Egypt Women's freestyle: Nigeria |
| 7–11 | Indoor field hockey | 2018 Men's Indoor Hockey World Cup 2018 Women's Indoor Hockey World Cup | International | Men: Austria Women: Germany |
| 8–20 | Cycling | / 2018 Asian Road and Track Cycling Championships | Continental | Road: Japan Track: Japan |
| 9–25 | Multi-sport | 2018 Winter Olympics | International | Norway (NOR) |
| 10–18 March | Rugby union | ///// 2018 Rugby Europe Championship | Continental | Georgia |
| 11 | Triathlon | 2018 ITU Triathlon World Cup #1 | International | Men: Richard Murray Women: Vicky Holland |
| 12–15 | Badminton | 2018 All Africa Team Badminton Championships | Continental | Men: Algeria Women: Mauritius |
| 13–18 | Badminton | 2018 European Team Badminton Championships | Continental | Men: Denmark Women: Denmark |
| 14–19 | Archery | 2018 World Indoor Archery Championships | International | United States |
| 14–21 | Association football | / 2018 Recopa Sudamericana | Continental | Grêmio |
| 15–18 | Badminton | 2018 Pan Am Badminton Championships (Team Event) | Continental | Men: Canada Women: Canada |
| 15–18 | Rallying | 2018 Rally Sweden (WRC #2) | International | Thierry Neuville & Nicolas Gilsoul ( Hyundai) |
| 16 | Rugby league | 2018 World Club Challenge | International | Melbourne Storm |
| 16–18 | Badminton | 2018 African Badminton Championships | Continental | Men: Georges Paul Women: Kate Foo Kune |
| 16–26 | Shooting sport | 2018 10m European Shooting Championships | Continental | Russia |
| 16–27 October | Rallying | ///// 2018 FIA World Cup for Cross-Country Rallies | International | Jakub Przygoński (driver) & Tom Colsoul (co-driver) |
| 16–16 November | NASCAR | 2018 NASCAR Camping World Truck Series | Domestic | Brett Moffitt ( Hattori Racing Enterprises) |
| 16–17 November | Rallying | 2018 European Rally Trophy | Continental | Overall: Portugal (Alexandre Camacho & Rui Rodrigues) For detailed results on various rallies, click here. |
| 17–4 August | Rugby union | //// 2018 Super Rugby season | International | Crusaders |
| 17–17 November | NASCAR | 2018 NASCAR Xfinity Series | Domestic | Tyler Reddick ( JR Motorsports) |
| 18 | NASCAR | 2018 Daytona 500 | Domestic | Austin Dillon ( Richard Childress Racing) |
| 18 | Basketball | 2018 NBA All-Star Game | Domestic | All-Star Game: Team LeBron MVP: LeBron James ( Cleveland Cavaliers) |
| 18–18 November | NASCAR | 2018 Monster Energy NASCAR Cup Series | Domestic | Joey Logano ( Team Penske) |
| 19–25 | Snooker | 2018 World Grand Prix | International | Ronnie O'Sullivan |
| 21–25 | Ski orienteering | 2018 World University Ski Orienteering Championship | International | Norway |
| 22–25 | Table tennis | 2018 ITTF Team World Cup | International | Men: China Women: China |
| 23–7 October | Rallying | ////// 2018 African Rally Championship | Continental | Manvir Baryan (driver) & Drew Sturrock (co-driver) |
| 24 | Association football | 2018 CAF Super Cup | Continental | Wydad Casablanca |
| 25 | Marathon | 2018 Tokyo Marathon (WMM #1) | International | Men: Dickson Chumba Women: Birhane Dibaba |
| 25–28 | Ice hockey | 2018 IIHF World Championship Division III – Qualification | International | Turkmenistan was promoted to Division III |
| 26–4 March | Biathlon | 2018 IBU Youth/Junior World Championships | International | Russia |
| 27–4 March | Amateur wrestling | 2018 Asian Wrestling Championships | Continental | Men's freestyle: Uzbekistan Men's Greco-Roman: Kyrgyzstan Women's freestyle: China |
| 28–4 March | Track cycling | 2018 UCI Track Cycling World Championships | International | Netherlands |

### March

| Date | Sport | Venue/Event | Status | Winner/s |
| 1–4 | Golf | 2018 WGC-Mexico Championship | International | Phil Mickelson |
| 1–4 | Athletics | 2018 IAAF World Indoor Championships | International | United States |
| 2 | Triathlon | 2018 ITU World Triathlon Series #1 | International | Men: Henri Schoeman Women: Rachel Klamer |
| 2–4 | Short track speed skating | 2018 World Junior Short Track Speed Skating Championships | International | South Korea |
| 2–4 | Pool | 2018 World Pool Masters | International | Niels Feijen |
| 2–4 | Rugby sevens | 2018 USA Sevens (WRSS #5) | International | United States |
| 3 | Formula E | 2018 Mexico City ePrix (FE #5) | International | Daniel Abt ( Abt Sportsline) |
| 3–4 | Speed skating | 2018 World Sprint Speed Skating Championships | International | Men: Håvard Lorentzen Women: Jorien ter Mors |
| 3–10 | Beach soccer | 2018 Copa América de Beach Soccer | Continental | Brazil |
| 3–10 | Curling | 2018 World Junior Curling Championships | International | Men: Canada (Skip: Tyler Tardi) Women: Canada (Skip: Kaitlyn Jones) |
| 3–25 November | Motorsport | / 2018 Supercars Championship | Regional | Scott McLaughlin ( DJR Team Penske) |
| 4–25 March | Cricket | 2018 Cricket World Cup Qualifier | International | Afghanistan |
| 5–11 | Figure skating | 2018 World Junior Figure Skating Championships | International | Men: Alexey Erokhov Ladies: Alexandra Trusova Pairs: Russia (Daria Pavliuchenko & Denis Khodykin) Ice dance: Russia (Anastasia Skoptsova & Kirill Aleshin) |
| 5–18 | Tennis | 2018 Indian Wells Masters | International | Men: Juan Martín del Potro Women: Naomi Osaka |
| 7–25 | Association football | 2018 South American Under-17 Women's Football Championship | Continental | Brazil |
| 8–11 | Rallying | 2018 Rally Mexico (WRC #3) | International | Sébastien Ogier & Julien Ingrassia ( M-Sport Ford WRT) |
| 8–11 | Table tennis | 2018 European Under-21 Table Tennis Championships | Continental | Men: Tomáš Polanský Women: Mariia Tailakova |
| 8–25 November | Rallying | // 2018 NACAM Rally Championship | Regional | Ricardo Triviño (driver) & Marc Martí (co-driver) |
| 9–11 | Speed skating | 2018 World Allround Speed Skating Championships | International | Men: Patrick Roest Women: Miho Takagi |
| 9–11 | Speed skating | 2018 World Junior Speed Skating Championships | International | Men: Allan Dahl Johansson Women: Joy Beune |
| 9–18 | Multi-sport | 2018 Winter Paralympics | International | United States |
| 9–18 | Ski jumping | Raw Air 2018 | International | Kamil Stoch |
| 10 | Triathlon | 2018 ITU Triathlon World Cup #2 | International | Men: Richard Murray Women: Emma Jeffcoat |
| 10–11 | Rugby sevens | 2018 Canada Sevens (WRSS #6) | International | Fiji |
| 10–11 | Athletics | 2018 European Throwing Cup | Continental | Germany |
| 10–28 | Chess | Candidates Tournament 2018 | International | Fabiano Caruana |
| 11–16 September | IndyCar | / 2018 IndyCar Series | International | Scott Dixon ( Chip Ganassi Racing) |
| 11–20 December | Surfing | //////// 2018 World Surf League | International | Men: Gabriel Medina Women: Stephanie Gilmore |
| 13–2 April | Basketball | 2018 NCAA Division I men's basketball tournament | Domestic | Villanova Wildcats MOP: Donte DiVincenzo (Villanova) |
| 14–18 | Shooting sport | 2018 World University Shooting Championship | International | Italy |
| 15–19 | Table tennis | 2018 Oceania Table Tennis Championships | Continental | Men: Chris Yan Women: Jian Fang Lay |
| 15–25 November | Rallying | //// 2018 Codasur South American Rally Championship | Continental | Gustavo Saba (driver) & Fernando Mussano (co-driver) |
| 16–17 | Synchronized skating | 2018 ISU World Junior Synchronized Skating Championships | International | Spartak-Junost |
| 16–18 | Speed skating | 2018 World Short Track Speed Skating Championships | International | Men: Charles Hamelin Women: Choi Min-jeong |
| 16–29 | Chess | 2018 European Individual Chess Championship | Continental | Ivan Šarić |
| 16–1 April | Basketball | 2018 NCAA Division I women's basketball tournament | Domestic | Notre Dame Fighting Irish MOP: Arike Ogunbowale (Notre Dame) |
| 17 | Formula E | 2018 Punta del Este ePrix (FE #6) | International | Jean-Éric Vergne ( Techeetah) |
| 17 | Road bicycle racing | 2018 Milan–San Remo (Monument #1) | International | Vincenzo Nibali ( Bahrain–Merida) |
| 17–18 | Freestyle wrestling | 2018 Wrestling World Cup - Women's freestyle | International | Japan |
| 17–23 | Ice hockey | 2018 IIHF Women's World Championship Division II – Group B | International | Spain was promoted to Division II – Group A Romania was relegated to Division III |
| 17–25 | Curling | 2018 Ford World Women's Curling Championship | International | Canada (Skip: Jennifer Jones) |
| 18 | Motorcycle racing | 2018 Qatar motorcycle Grand Prix | International | MotoGP: Andrea Dovizioso ( Ducati Team) Moto2: Francesco Bagnaia ( Sky Racing Team VR46) Moto3: Jorge Martín ( Del Conca Gresini Moto3) |
| 19–25 | Figure skating | 2018 World Figure Skating Championships | International | Men: Nathan Chen Ladies: Kaetlyn Osmond Pairs: Germany (Aliona Savchenko & Bruno Massot) Ice dance: France (Gabriella Papadakis & Guillaume Cizeron) |
| 19–25 | Snooker | 2018 Players Championship | International | Ronnie O'Sullivan |
| 19–1 April | Tennis | 2018 Miami Open | International | Men: John Isner Women: Sloane Stephens |
| 21–25 | Golf | 2018 WGC-Dell Technologies Match Play | International | Bubba Watson |
| 21–25 | Handball | 2018 Pan American Women's Junior Handball Championship | Continental | Brazil |
| 22–24 | Water polo | 2018 LEN Women's Europa Cup – Super Final | Continental | Greece |
| 22–25 | Speed skating | 2018 World University Speed Skating Championship | International | Japan |
| 22–14 October | Rallying | 2018 European Rally Championship | Continental | Aleksey Lukyanuk & Alexey Arnautov ( Russian Performance Motorsport) |
| 24 | Athletics | 2018 IAAF World Half Marathon Championships | International | Men: Geoffrey Kamworor Women: Netsanet Gudeta |
| 24–30 | Ice hockey | 2018 IIHF World U18 Championships Division II – Group B | International | Spain was promoted to Division II – Group A Iceland was relegated to Division III – Group A |
| 25 | Formula One | 2018 Australian Grand Prix | International | Sebastian Vettel ( Ferrari) |
| 25 | Triathlon | 2018 ITU Triathlon World Cup #3 | International | Men: Declan Wilson Women: Kirsten Kasper |
| 26–1 April | Weightlifting | 2018 European Weightlifting Championships | Continental | Georgia |
| 26–1 April | Ice hockey | 2018 IIHF World U18 Championships Division III – Group A | International | Belgium was promoted to Division II – Group B Chinese Taipei was relegated to Division III – Group B |
| 29–30 September | Baseball | / 2018 Major League Baseball season | Domestic | AL 2018 Season: Boston Red Sox NL 2018 Season: Milwaukee Brewers |
| 29–2 April | Golf | 2018 ANA Inspiration | International | Pernilla Lindberg |
| 31 | Horse racing | 2018 Dubai World Cup | International | Horse: Thunder Snow Jockey: Christophe Soumillon Trainer: Saeed bin Suroor |
| 31 | Professional boxing | Anthony Joshua vs. Joseph Parker | International | Anthony Joshua |
| 31–6 April | Ice hockey | 2018 IIHF Women's World Championship Division II – Group A | International | Netherlands was promoted to Division I – Group B Mexico was relegated to Division II – Group B |
| 31–8 April | Curling | 2018 World Men's Curling Championship | International | Sweden (Skip: Niklas Edin) |

### April

| Date | Sport | Venue/Event | Status | Winner/s |
| 1 | Road bicycle racing | 2018 Tour of Flanders (Monument #2) | International | Niki Terpstra ( Quick-Step Floors) |
| 1–7 | Ice hockey | 2018 IIHF World U18 Championships Division II – Group A | International | Great Britain was promoted to Division I – Group B Australia was relegated to Division II – Group B |
| 1–9 | Fencing | 2018 Junior World Fencing Championships | International | Russia |
| 2–8 | Basketball | 2018 FIBA Under-16 Asian Championship | Continental | Australia |
| 2–8 | Ice hockey | 2018 IIHF World U18 Championships Division I – Group A | International | Latvia was promoted to Top Division Slovenia was relegated to Division I – Group B |
| 2–8 | Snooker | 2018 China Open | International | Mark Selby |
| 3–8 | Handball | 2018 Nor.Ca. Men's Handball Championship | Continental | Cuba |
| 3–8 | Ice hockey | 2018 IIHF Challenge Cup of Asia — Top Division | Continental | Mongolia |
| 4–15 | Multi-sport | 2018 Commonwealth Games | International | Australia (AUS) |
| 4–22 | Association football | 2018 Copa América Femenina | Continental | Brazil |
| 5–8 | Golf | 2018 Masters Tournament | International | Patrick Reed |
| 5–8 | Rallying | 2018 Tour de Corse (WRC #4) | International | Sébastien Ogier & Julien Ingrassia ( M-Sport Ford WRT) |
| 5–8 | Water polo | 2018 LEN Men's Europa Cup – Super Final | Continental | Croatia |
| 6–7 | Synchronized skating | 2018 ISU World Synchronized Skating Championships | International | Marigold IceUnity |
| 6–8 | Judo | / 2018 Oceania Judo Championships | Continental | Australia |
| 6–8 | Rugby sevens | 2018 Hong Kong Sevens (WRSS #7) | International | Fiji |
| 6–8 | Table tennis | 2018 ITTF-ATTU Asian Cup | Continental | Men: Fan Zhendong Women: Zhu Yuling |
| 6–16 | Ultramarathon | 2018 Marathon des Sables | International | Men: Rachid El Morabity Women: Magdalena Boulet |
| 6–20 | Association football | 2018 AFC Women's Asian Cup | Continental | Japan |
| 7 | Athletics | 2018 World University Cross Country Championships | International | Men: El Hocine Zourkane Women: Caterina Granz |
| 7–8 | Freestyle wrestling | 2018 Wrestling World Cup - Men's freestyle | International | United States |
| 7–15 | Volleyball | / 2018 Boys' U18 Volleyball European Championship | Continental | Germany |
| 7–16 | Modern pentathlon | 2018 World Youth A Modern Pentathlon Championships | International | Men: Ahmed El-Gendy Women: Alice Rinaudo |
| 7–20 | Chess | 2018 European Women's Chess Championship | Continental | Valentina Gunina |
| 7–25 November | Motorsport | // 2018 FIA Formula 2 Championship | International | George Russell ( ART Grand Prix) |
| 4 October 2017–8 | Ice hockey | / 2017–18 NHL season | Domestic | Presidents' Trophy: Nashville Predators Art Ross Trophy: Connor McDavid ( Edmonton Oilers) |
| 8 | Formula One | 2018 Bahrain Grand Prix | International | Sebastian Vettel ( Ferrari) |
| 8 | Motorcycle racing | 2018 Argentine motorcycle Grand Prix | International | MotoGP: Cal Crutchlow ( LCR Honda) Moto2: Mattia Pasini ( Italtrans Racing Team) Moto3: Marco Bezzecchi ( Redox PrüstelGP) |
| 8 | Road bicycle racing | 2018 Paris–Roubaix (Monument #3) | International | Peter Sagan ( Bora–Hansgrohe) |
| 8–14 | Ice hockey | 2018 IIHF Women's World Championship Division I – Group A | International | France was promoted to Top Division Slovakia was relegated to Division I – Group B |
| 8–14 | Ice hockey | 2018 IIHF Women's World Championship Division I – Group B | International | Italy was promoted to Division I – Group A Poland was relegated to Division II – Group A |
| 8–18 November | Motorsport | ///// 2018 World Touring Car Cup | International | Gabriele Tarquini ( BRC Racing Team) |
| 10–14 | Handball | 2018 Pan American Women's Youth Handball Championship | Continental | Brazil |
| 10–15 | Equestrianism | 2018 FEI World Cup Show Jumping and Dressage Finals | International | Show Jumping: Beezie Madden Dressage: Isabell Werth |
| 17 October 2017–11 | Basketball | / 2017–18 NBA season | Domestic | Top Seed: Houston Rockets Top Scorer: James Harden (Houston Rockets) |
| 12 | Basketball | 2018 WNBA draft | International | #1: A'ja Wilson (to the Las Vegas Aces from the South Carolina Gamecocks) |
| 12–15 | Judo | 2018 African Judo Championships | Continental | Tunisia |
| 12–15 | Trampolining | 2018 European Trampoline Championships | Continental | Russia |
| 13–15 | Acrobatic gymnastics | 2018 Acrobatic Gymnastics World Championships | International | Russia |
| 13–21 | Volleyball | 2018 Girls' U17 Volleyball European Championship | Continental | Russia |
| 14 | Formula E | 2018 Rome ePrix (FE #7) | International | Sam Bird ( DS Virgin Racing) |
| 14 | Horse racing | 2018 Grand National | International | Horse: Tiger Roll Jockey: Davy Russell Trainer: Gordon Elliott |
| 14–20 | Ice hockey | 2018 IIHF World U18 Championships Division I – Group B | International | Ukraine was promoted to Division I – Group A Romania was relegated to Division II – Group A |
| 14–20 | Ice hockey | 2018 IIHF World Championship Division II – Group B | International | Spain was promoted to Division II – Group A Luxembourg was relegated to Division III |
| 14–21 October | Motorsport | 2018 International GT Open | International | Overall: Mikkel Mac Pro AM: Tom Onslow-Cole AM: Andrzej Lewandowski |
| 14–24 November | Motorsport | /// 2018 FIA World Rallycross Championship | International | Johan Kristoffersson ( Volkswagen RX Sweden) |
| 15 | Formula One | 2018 Chinese Grand Prix | International | Daniel Ricciardo ( Red Bull Racing) |
| 15–19 | Fencing | 2018 European Fencing Under 23 Championships | Continental | Italy |
| 15–22 | Tennis | 2018 Monte-Carlo Masters | International | Rafael Nadal |
| 15–28 October | Motorsport | 2018 European Le Mans Series | International | LMP2: Andrea Pizzitola & Roman Rusinov LMP3: Job van Uitert, John Farano, & Rob Garofall LMGTE: Gianluca Roda & Giorgio Roda |
| 16 | Marathon | 2018 Boston Marathon (WMM #2) | International | Men: Yuki Kawauchi Women: Desiree Linden |
| 16–22 | Ice hockey | 2018 IIHF World Championship Division III | International | Georgia was promoted to Division II – Group B Hong Kong was relegated to Division III – Qualification |
| 19–29 | Ice hockey | 2018 IIHF World U18 Championships | International | Finland |
| 20–22 | Judo | 2018 Pan American Judo Championships | Continental | Cuba |
| 21–22 | Rugby sevens | 2018 Japan Women's Sevens (WRWSS #3) | International | New Zealand |
| 21–28 | Curling | 2018 World Mixed Doubles Curling Championship 2018 World Senior Curling Championships | International | Mixed Doubles: Switzerland (Michèle Jäggi & Sven Michel) Senior Men: Canada (Skip: Wade White) Senior Women: Canada (Skip: Sherry Anderson) |
| 21–7 May | Snooker | 2018 World Snooker Championship (Triple Crown #3) | International | Mark Williams |
| 22 | Marathon | 2018 London Marathon (WMM #3) | International | Men: Eliud Kipchoge Women: Vivian Cheruiyot |
| 22 | Motorcycle racing | 2018 Motorcycle Grand Prix of the Americas | International | MotoGP: Marc Márquez ( Repsol Honda Team) Moto2: Francesco Bagnaia ( Sky Racing Team VR46) Moto3: Jorge Martín ( Del Conca Gresini Moto3) |
| 22 | Road bicycle racing | 2018 Liège–Bastogne–Liège (Monument #4) | International | Bob Jungels ( Quick-Step Floors) |
| 22–28 | Ice hockey | 2018 IIHF World Championship Division I – Group A | International | Great Britain and Italy were promoted to Top Division Poland was relegated to Division I – Group B |
| 22–28 | Ice hockey | 2018 IIHF World Championship Division I – Group B | International | Lithuania was promoted to Division I – Group A Croatia was relegated to Division II – Group A |
| 23 | Association football | 2017–18 UEFA Youth League Final | Continental | Barcelona |
| 23–29 | Ice hockey | 2018 IIHF World Championship Division II – Group A | International | Netherlands was promoted to Division I – Group B Iceland was relegated to Division II – Group B |
| 24–29 | Badminton | 2018 Badminton Asia Championships | Continental | Men: Kento Momota Women: Tai Tzu-ying |
| 24–29 | Badminton | 2018 European Badminton Championships | Continental | Men: Viktor Axelsen Women: Carolina Marín |
| 24–5 May | Association football | 2018 WAFU/FOX U-20 Tournament | Regional | Gambia |
| 26–28 | Ice hockey | 2018 IIHF World U18 Championships Division III – Group B | International | New Zealand was promoted to Division III – Group A |
| 26–28 | American football | 2018 NFL draft | Domestic | #1 pick: Baker Mayfield (to the Cleveland Browns from the Oklahoma Sooners) |
| 26–28 | Judo | 2018 European Judo Championships | Continental | Russia |
| 26–29 | Badminton | 2018 Pan Am Badminton Championships | Continental | Men: Ygor Coelho Women: Michelle Li |
| 26–29 | Rallying | 2018 Rally Argentina (WRC #5) | International | Ott Tänak & Martin Järveoja ( Toyota Gazoo Racing WRT) |
| 28 | Formula E | 2018 Paris ePrix (FE #8) | International | Jean-Éric Vergne ( Techeetah) |
| 28 | Triathlon | 2018 ITU World Triathlon Series #2 | International | Men: Casper Stornes Women: Flora Duffy |
| 28–29 | Rugby sevens | 2018 Singapore Sevens (WRSS #8) | International | Fiji |
| 28–1 May | 3x3 basketball | 2018 FIBA 3x3 Asia Cup | Continental | Men: Australia Women: New Zealand |
| 28–2 June | Rugby union | // 2018 Asia Rugby Championship | Continental | Hong Kong |
| 29 | Formula One | 2018 Azerbaijan Grand Prix | International | Lewis Hamilton ( Mercedes) |
| 29–6 May | Table tennis | 2018 World Team Table Tennis Championships | International | Men: China Women: China |
| 30–6 May | Amateur wrestling | 2018 European Wrestling Championships | Continental | Russia |

### May

| Date | Sport | Venue/Event | Status | Winner/s |
| 2–12 | Futsal | 2018 AFC Women's Futsal Championship | Continental | Iran |
| 2–20 | Chess | Women's World Chess Championship Match 2018 | International | Ju Wenjun |
| 3–6 | Amateur wrestling | 2018 Pan-American Wrestling Championships | Continental | United States |
| 3–17 November | Rallying | ///// 2018 Middle East Rally Championship | Regional | Nasser Al-Attiyah & Matthieu Baumel ( M-Sport) |
| 4 | Athletics | Qatar Athletic Super Grand Prix (Diamond League #1) | International | United States |
| 4–6 | Basketball | 2018 Basketball Champions League Final Four | Continental | AEK Athens |
| 4–20 | Ice hockey | 2018 IIHF World Championship | International | Sweden |
| 4–20 | Association football | 2018 UEFA European Under-17 Championship | Continental | Netherlands |
| 4–27 | Road bicycle racing | 2018 Giro d'Italia (Grand Tour #1) | International | Chris Froome ( Team Sky) |
| 5 | Horse racing | 2018 Kentucky Derby | International | Horse: Justify Jockey: Mike Smith Trainer: Bob Baffert |
| 5–6 | Athletics | 2018 IAAF World Race Walking Team Championships | International | China |
| 5–6 | Triathlon | 2018 ITU Triathlon World Cup #5 | International | Men: Rostyslav Pevtsov Women: Emma Jeffcoat |
| 5–13 | Tennis | 2018 Madrid Open | International | Men: Alexander Zverev Women: Petra Kvitová |
| 5–2 December | Rallying | ///// 2018 Asia-Pacific Rally Championship | Regional | Yuya Sumiyama (driver) & Takahiro Yasui (co-driver) |
| 5–16 June 2019 | Motorsport | /// 2018–19 FIA World Endurance Championship | International | |
| 6 | Motorcycle racing | 2018 Spanish motorcycle Grand Prix | International | MotoGP: Marc Márquez ( Repsol Honda) Moto2: Lorenzo Baldassarri ( Pons Racing) Moto3: Philipp Öttl ( Südmetall Schedl GP Racing) |
| 6–21 October | Motorsport | 2018 TCR Europe Series | Continental | Mikel Azcona ( PCR Sport) |
| 9–21 | Association football | 2018 UEFA Women's Under-17 Championship | Continental | Spain |
| 10–13 | Taekwondo | 2018 European Taekwondo Championships | Continental | Russia |
| 10–13 | Karate | 2018 European Karate Championships | Continental | Spain |
| 10–13 | Golf | 2018 Players Championship | International | Webb Simpson |
| 12 | Athletics | Shanghai Golden Grand Prix (Diamond League #2) | International | China |
| 12 | Rugby union | 2018 European Rugby Champions Cup Final | Continental | Leinster |
| 12 | Triathlon | 2018 ITU World Triathlon Series #3 | International | Men: Mario Mola Women: Flora Duffy |
| 12–13 | Rugby sevens | 2018 Canada Women's Sevens (WRWSS #4) | International | New Zealand |
| 12–14 October | Motorsport | 2018 FIA Formula 3 European Championship | International | Mick Schumacher ( Prema Powerteam) |
| 13 | Formula One | 2018 Spanish Grand Prix | International | Lewis Hamilton ( Mercedes) |
| 13–20 | Field hockey | 2018 Asian Women's Hockey Champions Trophy | Continental | South Korea |
| 14–20 | Tennis | 2018 Italian Open | International | Men: Rafael Nadal Women: Elina Svitolina |
| 15–20 | Pool | 2018 World Cup of Pool | International | China (Wu Jia-qing & Liu Haitao) |
| 16 | Association football | 2018 UEFA Europa League Final | Continental | Atlético Madrid |
| 16–19 | Golf | 2018 World University Golf Championship | International | Men: Daiki Imano Women: Ma Da-som |
| 17–20 | Rallying | 2018 Rally de Portugal (WRC #6) | International | Thierry Neuville & Nicolas Gilsoul ( Hyundai Shell Mobis WRT) |
| 17–20 | Golf | The Tradition | International | Miguel Ángel Jiménez |
| 18–19 | Table tennis | 2018 ITTF-Oceania Cup | Continental | Men: Hu Heming Women: Jian Fang Lay |
| 18–20 | Basketball | 2018 EuroLeague Final Four | Continental | Real Madrid |
| 19 | Athletics | 2018 European 10,000m Cup | Continental | Men: Richard Ringer Women: Lonah Chemtai Salpeter |
| 19 | Formula E | 2018 Berlin ePrix (FE #9) | International | Daniel Abt ( Abt Sportsline) |
| 19 | Horse racing | 2018 Preakness Stakes | Domestic | Horse: Justify Jockey: Mike Smith Trainer: Bob Baffert |
| 19 | Triathlon | 2018 ITU Triathlon World Cup #6 | International | Men: Dmitry Polyanski Women: Sandra Dodet |
| 20 | Motorcycle racing | 2018 French motorcycle Grand Prix | International | MotoGP: Marc Márquez ( Repsol Honda Team) Moto2: Francesco Bagnaia ( Sky Racing Team VR46) Moto3: Albert Arenas ( Ángel Nieto Team Moto3) |
| 20–26 | Nine-pin bowling | 2018 nine-pin bowling Single's World Championships | International | Single classic: Vilmoš Zavarko (Men), Sina Beißer (Women) Sprint: Vilmoš Zavarko (Men), Ines Maričić (Women) Combination: Vilmoš Zavarko (Men), Jasmina Anđelković (Women) Mixed tandem: Renáta Navrkalová & Jan Endršt |
| 20–27 | Badminton | 2018 Thomas & Uber Cup | International | Thomas Cup: China Uber Cup: Japan |
| 20–27 | Volleyball | 2018 Asian Girls' U17 Volleyball Championship | Continental | Japan |
| 20–29 September | NASCAR | 2018 NASCAR Pinty's Series | Domestic | Louis-Philippe Dumoulin ( Dodge) |
| 24 | Association football | 2018 UEFA Women's Champions League Final | Continental | Lyon |
| 24–27 | Golf | 2018 BMW PGA Championship | International | Francesco Molinari |
| 24–27 | Golf | Senior PGA Championship | International | Paul Broadhurst |
| 26 | Association football | 2018 UEFA Champions League Final | Continental | Real Madrid |
| 26 | Athletics | Prefontaine Classic (Diamond League #3) | International | United States |
| 26 | Rugby union | 2018 Pro14 Grand Final | International | Leinster |
| 26–27 | Rowing | 2018 European Rowing Junior Championships | Continental | Czech Republic |
| 26–8 June | Multi-sport event | 2018 South American Games | Continental | Colombia |
| 26–9 June | Association football | 2018 Toulon Tournament | International | England |
| 26–7 October | Motorsport | 2018 European Truck Racing Championship | Continental | Jochen Hahn ( Team Hahn Racing) |
| 27 | Formula One | 2018 Monaco Grand Prix | International | Daniel Ricciardo ( Red Bull Racing) |
| 27 | INDYCAR | 2018 Indianapolis 500 | International | Will Power ( Team Penske) |
| 27–9 June | Association football | 2018 COSAFA Cup | Regional | Zimbabwe |
| 27–10 June | Tennis | 2018 French Open (Grand Slam #2) | International | Men: Rafael Nadal Women: Simona Halep |
| 28–2 June | Water polo | 2018 FINA Women's Water Polo World League Super Final | International | United States |
| 28–7 June | Ice hockey | 2018 Stanley Cup Finals | Domestic | Washington Capitals |
| 30–17 June | Rugby union | 2018 World Rugby Under 20 Championship | International | France |
| 31 | Athletics | Golden Gala (Diamond League #4) | International | United States |
| 31–3 June | Darts | 2018 PDC World Cup of Darts | International | Netherlands (Michael van Gerwen & Raymond van Barneveld) |
| 31–3 June | Golf | 2018 U.S. Women's Open | International | Ariya Jutanugarn |
| 31–8 June | Basketball | 2018 NBA Finals | Domestic | Golden State Warriors |
| 31–10 June | Association football | 2018 ConIFA World Football Cup | International | Kárpátalja |

### June

| Date | Sport | Venue/Event | Status | Winner/s |
| 1–3 | Canoe slalom | 2018 European Canoe Slalom Championships | Continental | Germany |
| 1–3 | Rhythmic gymnastics | 2018 Rhythmic Gymnastics European Championships | Continental | Russia |
| 1–3 | Aerobic gymnastics | 2018 Aerobic Gymnastics World Championships | International | Russia |
| 2 | Horse racing | 2018 Epsom Derby | International | Horse: Masar Jockey: William Buick Trainer: Charlie Appleby |
| 2 | Triathlon | 2018 ITU Triathlon World Cup #7 | International | Men: Delian Stateff Women: Lisa Perterer |
| 2–3 | Rugby sevens | 2018 London Sevens (WRSS #9) | International | Fiji |
| 2–9 | Motorcycle speedway | // 2018 Speedway of Nations | International | Russia (Artem Laguta, Emil Sayfutdinov & Gleb Chugunov) |
| 3 | Motorcycle racing | 2018 Italian motorcycle Grand Prix | International | MotoGP: Jorge Lorenzo ( Ducati Corse) Moto2: Miguel Oliveira ( Ajo Motorsport) Moto3: Jorge Martín ( Gresini Racing) |
| 3–10 | Cricket | 2018 Women's Twenty20 Asia Cup | Continental | Bangladesh |
| 4–10 | Amateur wrestling | 2018 European U23 Wrestling Championship | Continental | Russia |
| 4–10 | Diving | 2018 FINA Diving World Cup | International | China |
| 5–9 | BMX racing | 2018 UCI BMX World Championships | International | Men: Sylvain André Women: Laura Smulders |
| 5–9 | Squash | 2018 Men's PSA World Series Finals 2018 Women's PSA World Series Finals | International | Men: Mohamed El Shorbagy Women: Nour El Sherbini |
| 5–9 | Fencing | 2018 African Fencing Championships | Continental | Egypt |
| 5–13 | Amateur boxing | 2018 Women's European Amateur Boxing Championships | Continental | Russia |
| 6–12 | Association football | 2018 CONCACAF Women's U-17 Championship | Continental | United States |
| 7 | Athletics | Bislett Games (Diamond League #5) | International | United States |
| 7 | Triathlon | 2018 ITU World Triathlon Mixed Relay Series #1 | International | United States (Kirsten Kasper, Eli Hemming, Katie Zaferes, & Matthew McElroy) |
| 7–9 | Water polo | 2017–18 LEN Champions League Final Eight | Continental | Olympiacos |
| 7–10 | Athletics | 2018 Asian Junior Athletics Championships | Continental | Japan |
| 7–10 | Rallying | 2018 Rally Italia Sardegna (WRC #7) | International | Thierry Neuville & Nicolas Gilsoul ( Hyundai Shell Mobis WRT) |
| 8–10 | Golf | 2018 Curtis Cup | International | United States |
| 8–10 | Rugby sevens | 2018 France Women's Sevens (WRWSS #5) | International | New Zealand |
| 8–10 | Canoe sprint | 2018 Canoe Sprint European Championships | Continental | Hungary |
| 8–12 | 3x3 basketball | 2018 FIBA 3x3 World Cup | International | Men: Serbia Women: Italy |
| 9 | Horse racing | 2018 Belmont Stakes | Domestic | Horse: Justify Jockey: Mike Smith Trainer: Bob Baffert |
| 9–10 | Rugby sevens | 2018 Paris Sevens (WRSS #10) | International | South Africa |
| 9–16 | Rugby union | 2018 World Rugby Pacific Nations Cup | Regional | Fiji |
| 10 | Athletics | Stockholm Bauhaus Athletics (Diamond League #6) | International | Great Britain |
| 10 | Formula E | 2018 Zürich ePrix (FE #10) | International | Lucas di Grassi ( Abt Sportsline) |
| 10 | Formula One | 2018 Canadian Grand Prix | International | Sebastian Vettel ( Ferrari) |
| 10 | Triathlon | 2018 ITU World Triathlon Series #4 | International | Men: Richard Murray Women: Vicky Holland |
| 10 | Triathlon | 2018 ITU Triathlon World Cup #8 | International | Men: Rodrigo González Women: Chelsea Sodaro |
| 10–16 | Basketball | 2018 FIBA Under-18 Americas Championship | Continental | United States |
| 10–17 | Volleyball | 2018 Asian Women's U19 Volleyball Championship | Continental | Japan |
| 14–17 | Golf | 2018 U.S. Open | International | Brooks Koepka |
| 14–24 | American football | 2018 World University American Football Championship | International | Mexico |
| 14–15 July | Association football | 2018 FIFA World Cup | International | France |
| 15–17 | Table tennis | 2018 ITTF Pan-America Cup | Continental | Men: Hugo Calderano Women: Zhang Mo |
| 15–20 | Fencing | 2018 Pan American Fencing Championships | Continental | United States |
| 16–17 | Endurance racing | 2018 24 Hours of Le Mans | International | Sébastien Buemi, Kazuki Nakajima, & Fernando Alonso ( Toyota Motorsport GmbH) |
| 16–21 | Fencing | 2018 European Fencing Championships | Continental | Russia |
| 16–24 | Handball | 2018 Pan American Men's Handball Championship | Continental | Argentina |
| 16–18 August | Rugby union | ///// 2018 Rugby Africa Gold Cup | Continental | Namibia |
| 17 | Motorcycle racing | 2018 Catalan motorcycle Grand Prix | International | MotoGP: Jorge Lorenzo ( Ducati Corse) Moto2: Fabio Quartararo ( Speed Up) Moto3: Enea Bastianini ( Leopard Racing) |
| 17 | Triathlon | 2018 ITU Triathlon World Cup #9 | International | Men: Jelle Geens Women: Summer Cook |
| 17–22 | Fencing | 2018 Asian Fencing Championships | Continental | South Korea |
| 18–23 | Water polo | 2018 FINA Men's Water Polo World League Super Final | International | Montenegro |
| 18–24 | Sailing | 2018 Men's Laser Radial World Championship | International | Zac Littlewood |
| 18–25 | Sailing | 2018 Asian Sailing Championship | Continental | China |
| 20–23 | Sport climbing | 2018 World University Climbing Championships | International | France |
| 20–24 | Volleyball | 2018 FIVB Volleyball Men's Challenger Cup 2018 FIVB Volleyball Women's Challenger Cup | International | Men: Portugal Women: Bulgaria |
| 21 | Basketball | 2018 NBA draft | International | #1: Deandre Ayton (to the Phoenix Suns from the Arizona Wildcats) |
| 22–1 July | Multi-sport | 2018 Mediterranean Games | Regional | Italy |
| 23–1 July | Field hockey | 2018 Men's Hockey Champions Trophy | International | Australia |
| 24 | Formula One | 2018 French Grand Prix | International | Lewis Hamilton ( Mercedes) |
| 25–30 | Swimming | 2018 Oceania Swimming Championships | Continental | New Zealand |
| 26–30 | Floorball | 2018 World University Floorball Championship | International | Men: Czech Republic Women: Finland |
| 26–1 July | Basketball | 2018 FIBA European Championship for Small Countries 2018 FIBA Women's European Championship for Small Countries | Continental | Men: Malta Women: Denmark |
| 28–1 July | Golf | 2018 KPMG Women's PGA Championship | International | Park Sung-hyun |
| 28–1 July | Golf | U.S. Senior Open | International | David Toms |
| 28–1 July | Canoe sprint | 2018 European Junior & U23 Canoe Sprint Championships | Continental | Junior: Belarus U23: Belarus & Poland (tie) |
| 29–6 July | Volleyball | 2018 Asian Boys' U18 Volleyball Championship | Continental | Japan |
| 14 October 2017–30 | Sailing | /////// 2017–18 Volvo Ocean Race | International | Overall: Dongfeng Race Team (Skipper: Charles Caudrelier) In-port series: MAPFRE (Skipper: Xabi Fernández) |
| 30 | Athletics | Meeting de Paris (Diamond League #7) | International | Jamaica |
| 30–8 July | Basketball | 2018 FIBA Under-17 Basketball World Cup | International | United States |

### July

| Date | Sport | Venue/Event | Status | Winner/s |
| 1 | Formula One | 2018 Austrian Grand Prix | International | Max Verstappen ( Red Bull Racing) |
| 1 | Motorcycle racing | 2018 Dutch TT | International | MotoGP: Marc Márquez ( Repsol Honda) Moto2: Francesco Bagnaia ( Sky Racing Team by VR46) Moto3: Jorge Martín ( Gresini Racing) |
| 1–14 | Handball | 2018 Women's Junior World Handball Championship | International | Hungary |
| 2–15 | Tennis | 2018 Wimbledon Championships (Grand Slam #3) | International | Men: Novak Djokovic Women: Angelique Kerber |
| 4–8 | Modern pentathlon | 2018 World University Modern Pentathlon Championships | International | Men: Brice Loubet Women: Elena Micheli |
| 4–8 | Swimming | 2018 European Junior Swimming Championships | Continental | Russia |
| 5 | Athletics | Athletissima (Diamond League #8) | International | United States |
| 5–8 | Athletics | 2018 European Athletics U18 Championships | Continental | Great Britain |
| 6–8 | Beach soccer | 2018 Women's Euro Beach Soccer Cup | Continental | Russia |
| 6–14 | Triathlon | 2018 ITU Multisport World Championships | International | Duathlon: Andreas Schilling / Sandrina Illes Cross triathlon: Rubén Ruzafa / Lesley Paterson Aquathlon: Emmanuel Lejeune / Edda Hannesdottir Long Distance: Pablo Dapena Gonzalez / Helle Frederiksen |
| 6–15 | Road bicycle racing | 2018 Giro Rosa | International | Annemiek van Vleuten ( Mitchelton–Scott) |
| 6–15 | Baseball | 2018 World University Baseball Championship | International | Japan |
| 7–8 | Triathlon | 2018 ITU Triathlon World Cup #10 | International | Men: Cancelled Women: Sophie Coldwell |
| 7–14 | Weightlifting | 2018 Junior World Weightlifting Championships | International | Medal Tally: Uzbekistan Men's Team: Iran Women's Team: United States |
| 7–15 | Basketball | 2018 FIBA Europe Under-20 Championship for Women | Continental | Spain |
| 7–15 | Softball | 2018 Junior Men's Softball World Championship | International | Australia |
| 7–29 | Road bicycle racing | 2018 Tour de France (Grand Tour #2) | International | Geraint Thomas ( Team Sky) |
| 8 | Formula One | 2018 British Grand Prix | International | Sebastian Vettel ( Ferrari) |
| 8–14 | Volleyball | 2018 Women's Pan-American Volleyball Cup | Continental | United States |
| 9–13 | Beach volleyball | 2018 World University Beach Volleyball Championship | International | Men: Germany (Dan John & Eric Stadie) Women: Canada (Nicole McNamara & Megan McNamara) |
| 10–15 | Athletics | 2018 IAAF World U20 Championships | International | Kenya |
| 10–15 | Beach volleyball | 2018 FIVB Beach Volleyball U19 World Championships | International | Men: Russia (Denis Shekunov & Dmitrii Veretiuk) Women: Russia (Mariia Bocharova & Maria Voronina) |
| 11–18 | Volleyball | 2018 Asian Women's Club Volleyball Championship | Continental | Supreme Chonburi |
| 12–14 | Rugby sevens | 2018 World University Rugby Sevens Championship | International | Men: South Africa Women: France |
| 12–15 | Golf | Senior Players Championship | International | Vijay Singh |
| 12–15 | Golf | 2018 U.S. Senior Women's Open | International | Laura Davies |
| 12–21 | Lacrosse | 2018 World Lacrosse Championship | International | United States |
| 13 | Athletics | Meeting International Mohammed VI d'Athlétisme de Rabat (Diamond League #9) | International | United States |
| 13–22 | Basketball | 2018 FIBA Europe Under-20 Championship Division B | Continental | Poland |
| 14–15 | Athletics | 2018 Athletics World Cup | International | United States |
| 14–15 | Formula E | 2018 New York City ePrix (FE #11 & #12) | International | Race 1: Lucas di Grassi ( Abt Sportsline) Race 2: Jean-Éric Vergne ( Techeetah) |
| 14–15 | Triathlon | 2018 ITU World Triathlon Series #5 2018 ITU Triathlon Mixed Relay World Championships | International | Men: Mario Mola Women: Cassandre Beaugrand Mixed Relay: France (Léonie Périault, Dorian Coninx, Cassandre Beaugrand, & Vincent Luis) |
| 14–21 | Sailing | 2018 Youth Sailing World Championships | International | United States |
| 14–22 | Badminton | 2018 Badminton Asia Junior Championships | Continental | China |
| 14–22 | Basketball | 2018 FIBA Europe Under-20 Championship | Continental | Israel |
| 14–22 | Volleyball | / 2018 Men's U20 Volleyball European Championship | Continental | Russia |
| 14–27 | Water polo | 2018 Women's European Water Polo Championship | Continental | Netherlands |
| 15 | Motorcycle racing | 2018 German motorcycle Grand Prix | International | MotoGP: Marc Márquez ( Repsol Honda) Moto2: Brad Binder ( Ajo Motorsport) Moto3: Jorge Martín ( Gresini Racing) |
| 15 | Professional boxing | Manny Pacquiao vs. Lucas Matthysse | International | Manny Pacquiao |
| 15–22 | Beach volleyball | 2018 European Beach Volleyball Championships | Continental | Men: Norway (Anders Mol & Christian Sørum) Women: Netherlands (Sanne Keizer & Madelein Meppelink) |
| 15–24 | Table tennis | 2018 Table Tennis European Youth Championships | Continental | France |
| 15–27 | Multi-sport | 2018 Micronesian Games | Regional | Palau |
| 15–28 | Multi-sport | 2018 European Universities Games | Continental | University of Coimbra |
| 16–20 | Finswimming | 2018 Finswimming World Championships | International | Russia |
| 16–26 | Handball | 2018 Asian Men's Junior Handball Championship | Continental | South Korea |
| 16–28 | Water polo | 2018 Men's European Water Polo Championship | Continental | Serbia |
| 16–29 | Association football | 2018 UEFA European Under-19 Championship | Continental | Portugal |
| 17 | Baseball | 2018 Major League Baseball All-Star Game | Domestic | American League MVP: Alex Bregman ( Houston Astros) |
| 17–21 | Orienteering | 2018 World University Orienteering Championships | International | Norway |
| 17–22 | Canoe slalom | 2018 World Junior and U23 Canoe Slalom Championships | International | Czech Republic |
| 17–23 | Modern pentathlon | 2018 European Modern Pentathlon Championships | Continental | Men: Valentin Prades Women: Marie Oteiza |
| 18–22 | Artistic swimming | 2018 FINA Artistic Swimming Junior World Championships | International | Russia |
| 18–30 | Association football | 2018 UEFA Women's Under-19 Championship | Continental | Spain |
| 19–22 | Golf | 2018 Open Championship | International | Francesco Molinari |
| 19–22 | Karate | 2018 World University Karate Championship | International | Japan |
| 19–27 | Fencing | 2018 World Fencing Championships | International | Italy |
| 19–28 | Multi-sport event | 2018 African Youth Games | Continental | Egypt |
| 19–29 | Handball | 2018 European Men's Under-20 Handball Championship | Continental | Slovenia |
| 19–3 August | Multi-sport event | 2018 Central American and Caribbean Games | Continental | Mexico |
| 20 | Athletics | Herculis (Diamond League #10) | International | United States |
| 20–22 | Rugby sevens | 2018 Rugby World Cup Sevens | International | Men: New Zealand Women: New Zealand |
| 21–22 | Athletics | Müller Anniversary Games (Diamond League #11) | International | United States |
| 21–28 | Volleyball | 2018 Asian Men's U20 Volleyball Championship | Continental | Iran |
| 21–29 | Basketball | 2018 FIBA Under-17 Women’s Basketball World Cup | International | United States |
| 21–29 | Darts | 2018 World Matchplay | International | Gary Anderson |
| 21–5 August | Field hockey | 2018 Women's Hockey World Cup | International | Netherlands |
| 21–12 August | Association football | // 2018 International Champions Cup | International | Tottenham Hotspur |
| 22 | Formula One | 2018 German Grand Prix | International | Lewis Hamilton ( Mercedes) |
| 22–29 | Olympic weightlifting | 2018 European Youth Weightlifting Championships | Continental | Romania |
| 23–29 | Diving | 2018 FINA World Junior Diving Championships | International | China |
| 23–29 | Muay Thai | 2018 World University Muaythai Championship | International | Thailand |
| 24–29 | Beach handball | 2018 Men's Beach Handball World Championships 2018 Women's Beach Handball World Championships | International | Men: Brazil Women: Greece |
| 25–29 | Rowing | 2018 World Rowing U23 Championships | International | United States |
| 26–29 | Rallying | 2018 Rally Finland (WRC #8) | International | Estonia (Ott Tänak & Martin Järveoja) ( Toyota Gazoo Racing WRT) |
| 26–29 | Golf | Senior Open Championship | International | Miguel Ángel Jiménez |
| 26–29 | Beach volleyball | 2018 European U22 Beach Volleyball Championships | Continental | Men: Latvia (Kristaps Šmits & Mihails Samoilovs) Women: Russia (Nadezda Makroguzova & Svetlana Kholomina) |
| 27–29 | Association football | 2018 Women's International Champions Cup | International | North Carolina Courage |
| 27–29 | Triathlon | 2018 ITU World Triathlon Series #6 2018 ITU World Triathlon Mixed Relay Series #2 | International | Men: Mario Mola Women: Vicky Holland Mixed Relay: Australia (Ashleigh Gentle, Aaron Royle, Natalie van Coevorden, & Jacob Birtwhistle) |
| 28–5 August | Basketball | 2018 FIBA Europe Under-18 Championship | Continental | Serbia |
| 29 | Formula One | 2018 Hungarian Grand Prix | International | Lewis Hamilton ( Mercedes) |
| 29–4 August | American football | 2018 European Championship of American football | Continental | France |
| 29–7 August | Modern pentathlon | 2018 World Junior Modern Pentathlon Championships | International | Men: Ahmed El Gendy Women: Elena Micheli |
| 30–5 August | Badminton | 2018 BWF World Championships | International | Men: Kento Momota Women: Carolina Marín |
| 30–5 August | Handball | 2018 World University Handball Championship | International | Men: South Korea Women: Japan |
| 30–6 August | Volleyball | 2018 Asian Men's Club Volleyball Championship | Continental | Khatam Ardakan |
| 30–12 August | Sailing | 2018 Sailing World Championships | International | Netherlands |
| 30–12 August | Shooting sport | 2018 European Shotgun Championship | Continental | Italy |
| 31–4 August | Road bicycle racing | 2018 World University Cycling Championship | International | Germany |

### August

| Date | Sport | Venue/Event | Status | Winner/s |
| 1–5 | Athletics | 2018 African Championships in Athletics | Continental | Kenya |
| 1–7 | Basketball | 2018 FIBA Under-18 Women's Americas Championship | Continental | United States |
| 2–5 | Artistic gymnastics | 2018 European Women's Artistic Gymnastics Championships | Continental | Italy |
| 2–5 | Golf | 2018 Women's British Open | International | Georgia Hall |
| 2–5 | Wushu | 2018 World University Wushu Championship | International | China |
| 2–5 | Golf | 2018 WGC-Bridgestone Invitational | International | Justin Thomas |
| 2–5 | Rowing | 2018 European Rowing Championships | Continental | Romania |
| 2–7 | Track cycling | 2018 UEC European Track Championships | Continental | Netherlands |
| 2–12 | Multi-sport | / 2018 European Championships | Continental | Russia |
| 2–12 | Softball | 2018 Women's Softball World Championship | International | United States |
| 3–12 | Aquatic sports | 2018 European Aquatics Championships | Continental | Russia |
| 4–11 | Orienteering | 2018 World Orienteering Championships | International | Norway |
| 4–12 | Basketball | 2018 FIBA Under-18 Women's European Championship | Continental | Germany |
| 5 | Motorcycle racing | 2018 Czech Republic motorcycle Grand Prix | International | MotoGP: Andrea Dovizioso ( Ducati Corse) Moto2: Miguel Oliveira ( Ajo Motorsport) Moto3: Fabio Di Giannantonio ( Gresini Racing) |
| 5–10 | Wheelchair rugby | 2018 Wheelchair Rugby World Championship | International | Japan |
| 5–11 | Basketball | 2018 FIBA Under-18 Asian Championship | Continental | Australia |
| 5–12 | Road bicycle racing | 2018 European Road Cycling Championships | Continental | Men's Road: Matteo Trentin Women's Road: Marta Bastianelli Men's TT: Victor Campenaerts Women's TT: Ellen van Dijk |
| 5–18 | Association football | 2018 OFC U-19 Championship | Continental | New Zealand |
| 5–24 | Association football | 2018 FIFA U-20 Women's World Cup | International | Japan |
| 6–12 | Athletics | 2018 European Athletics Championships | Continental | Great Britain |
| 6–12 | Tennis | 2018 Rogers Cup | International | Men: Rafael Nadal Women: Simona Halep |
| 7 | Mountain bike racing | 2018 European Mountain Bike Championships | Continental | Men: Lars Förster Women: Jolanda Neff |
| 7–19 | Handball | 2018 Women's Youth World Handball Championship | International | Russia |
| 8–12 | Golf | 2018 European Golf Team Championships | Continental | Men's Team: Spain Women's Team: Sweden Mixed Team: Iceland |
| 8–12 | Rowing | 2018 World Rowing Junior Championships | International | United States |
| 9–11 | Triathlon | 2018 European Triathlon Championships | Continental | Men: Pierre Le Corre Women: Nicola Spirig Mixed Relay: France |
| 9–12 | Artistic gymnastics | 2018 European Men's Artistic Gymnastics Championships | Continental | Russia |
| 9–12 | Golf | 2018 PGA Championship | International | Brooks Koepka |
| 9–14 | Swimming | 2018 Pan Pacific Swimming Championships | Continental | United States |
| 9–19 | Handball | 2018 European Men's U-18 Handball Championship | Continental | Sweden |
| 10–11 | BMX racing | 2018 European BMX Championships | Continental | Men: Kyle Evans Women: Laura Smulders |
| 10–12 | Athletics | 2018 NACAC Championships | Regional | United States |
| 10–12 | Rowing | 2018 World University Rowing Championships | International | Great Britain |
| 10–12 | Canoe sprint | 2018 World University Canoe Sprint Championship | International | Hungary |
| 10–18 | Basketball | 2018 FIBA Europe Under-16 Championship | Continental | Croatia |
| 10–19 | Basketball | 2018 FIBA Under-18 Women's African Championship | Continental | Mali |
| 10–19 | Racquetball | 2018 Racquetball World Championships | International | Men: Rodrigo Montoya Women: Ana Gabriela Martinez |
| 10–19 | Baseball | 2018 U-15 Baseball World Cup | International | United States |
| 11–19 | Water polo | 2018 FINA World Men's Youth Water Polo Championships | International | Greece |
| 12 | Motorcycle racing | 2018 Austrian motorcycle Grand Prix | International | MotoGP: Jorge Lorenzo ( Ducati Corse) Moto2: Francesco Bagnaia ( Sky Racing Team by VR46) Moto3: Marco Bezzecchi ( Redox Prüstel GP) |
| 13–19 | Tennis | 2018 Western & Southern Open | International | Men: Novak Djokovic Women: Kiki Bertens |
| 14–19 | Archery | 2018 Pan American Archery Championships | Continental | United States |
| 14–19 | Beach volleyball | 2018 FIVB Beach Volleyball World Tour Finals | International | Men: Anders Mol / Christian Sørum Women: Ágatha Bednarczuk / Eduarda Santos Lisboa |
| 15 | Association football | 2018 UEFA Super Cup | Continental | Atlético Madrid |
| 15–19 | Track cycling | 2018 UCI Junior Track Cycling World Championships | International | Germany |
| 15–19 | Disc golf | 2018 European Disc Golf Championships | Continental | Men: Simon Lizotte Women: Henna Blomroos |
| 15–19 | Canoe slalom | 2018 European Junior and U23 Canoe Slalom Championships | Continental | Czech Republic |
| 16–19 | Rallying | 2018 Rallye Deutschland (WRC #9) | International | Ott Tänak & Martin Järveoja ( Toyota Gazoo Racing WRT) |
| 17–25 | Basketball | 2018 FIBA Europe Under-16 Championship for Women | Continental | Italy |
| 17–26 | Wheelchair basketball | 2018 Wheelchair Basketball World Championship | International | Men: Great Britain Women: Netherlands |
| 18 | Athletics | Müller Grand Prix Birmingham (Diamond League #12) | International | Kenya |
| 18 | Triathlon | 2018 ITU Triathlon World Cup #11 | International | Men: Gustav Iden Women: Nicola Spirig |
| 18–2 September | Multi-sport | 2018 Asian Games | Continental | China |
| 18–6 October | Rugby union | /// 2018 Rugby Championship | International | New Zealand |
| 19–26 | Futsal | 2018 World University Futsal Championships | International | Russia (Men & Women) |
| 20–26 | Para-athletics | 2018 World Para Athletics European Championships | Continental | Poland |
| 20–31 | Amateur boxing | 2018 AIBA Youth World Boxing Championships | International | Russia |
| 21–26 | Summer biathlon | 2018 Summer Biathlon World Championships | International | Czech Republic |
| 21–26 | Track cycling | 2018 UEC European Track Championships (under-23 & junior) | Continental | Italy |
| 21–12 September | Basketball | 2018 WNBA Playoffs | Domestic | Seattle Storm |
| 22–31 | Baseball | 2018 Women's Baseball World Cup | International | Japan |
| 23–26 | Canoe sprint | 2018 ICF Canoe Sprint World Championships | International | Germany |
| 23–29 | Carrom | 2018 Carrom World Cup | International | Men: Sri Lanka Women: India |
| 24–2 September | Basketball | 2018 FIBA Under-18 African Championship | Continental | Mali |
| 24–10 September | Rugby union | 2018 World Rugby Under 20 Trophy | International | Fiji |
| 25–26 | Triathlon | 2018 ITU World Triathlon Series #7 | International | Men: Mario Mola Women: Vicky Holland |
| 25–16 September | Road bicycle racing | 2018 Vuelta a España (Grand Tour #3) | International | Simon Yates ( Mitchelton–Scott) |
| 26 | Formula One | 2018 Belgian Grand Prix | International | Sebastian Vettel ( Ferrari) |
| 27–1 September | Archery | 2018 European Archery Championships | Continental | Turkey |
| 27–2 September | Water polo | 2018 FINA World Women's Youth Water Polo Championships | International | Men: Greece Women: Spain |
| 27–9 September | Tennis | 2018 US Open (Grand Slam #4) | International | Men: Novak Djokovic Women: Naomi Osaka |
| 28–2 September | Volleyball | 2018 Men's Pan-American Volleyball Cup | Continental | Argentina |
| 29–2 September | Track cycling | 2018 Pan American Track Cycling Championships | Continental | United States |
| 29–3 September | Drag racing | 2018 NHRA Chevrolet Performance U.S. Nationals | Domestic | For results, click here. |
| 30 | Athletics | Weltklasse Zürich (Diamond League #13) | International | Kenya |
| 30–4 September | Basketball | 2018 South American Basketball Championship for Women | Continental | Argentina |
| 31 | Athletics | Memorial Van Damme (Diamond League #14) | International | United States |
| 31–2 September | 3x3 basketball | 2018 FIBA 3x3 Under-18 Europe Cup | Continental | Men: Hungary Women: Belgium |

### September

| Date | Sport | Venue/Event | Status | Winner/s |
| 1–2 | Rowing | 2018 European Rowing U23 Championships | Continental | Romania |
| 1–2 | Triathlon | 2018 FISU World University Triathlon Championship | International | Men: Lars Pfeifer Women: Jeanne Lehair Mixed Team Relay: France |
| 1–2 | Triathlon | 2018 Ironman 70.3 World Championship | International | Men: Jan Frodeno Women: Daniela Ryf |
| 1–2 | Triathlon | 2018 ITU Triathlon World Cup #12 | International | Men: Dmitry Polyanski Women: Vendula Frintová |
| 1–5 | Sailing | 2018 FISU World University Sailing Championship | International | Men: Australia (Skipper: Thomas Grimes) Women: France (Skipper: Elodie Bonafous) |
| 1–6 | Amateur boxing | 2018 FISU World University Boxing Championships | International | Russia |
| 1–9 | Netball | 2018 Asian Netball Championships | Continental | Sri Lanka |
| 1–9 | Volleyball | 2018 Women's U19 Volleyball European Championship | Continental | Italy |
| 1–8 December | American football | 2018 NCAA Division I FBS football season | Domestic | Alabama Crimson Tide |
| 2 | Formula One | 2018 Italian Grand Prix | International | Lewis Hamilton ( Mercedes) |
| 2–14 | Shooting sport | 2018 ISSF World Shooting Championships | International | China |
| 3–8 | Six-red snooker | 2018 Six-red World Championship | International | Kyren Wilson |
| 4–9 | Amateur wrestling | 2018 FISU World University Wrestling Championship | International | Men's Freestyle: Japan Women's Freestyle: Canada Greco-Roman: Turkey |
| 4–9 | Field archery | 2018 World Field Archery Championships | International | Italy |
| 4–9 | Water polo | 2018 FINA Women's Water Polo World Cup | International | United States |
| 4–15 | Association football | 2018 SAFF Championship | Regional | Maldives |
| 4–16 | Chess | 2018 World Junior Chess Championship | International | Men: Parham Maghsoodloo Women: Aleksandra Maltsevskaya |
| 5–9 | Mountain bike racing | 2018 UCI Mountain Bike World Championships | International | Switzerland |
| 6–12 | Squash | 2018 FISU World University Squash Championship | International | Great Britain |
| 6–15 | Modern pentathlon | 2018 World Modern Pentathlon Championships | International | Men: James Cooke Women: Anastasiya Prokopenko |
| 6–16 | Sport climbing | 2018 IFSC Climbing World Championships | International | Men: Jakob Schubert Women: Janja Garnbret |
| 6–30 December | American football | 2018 NFL season | Domestic | AFC: Kansas City Chiefs NFC: New Orleans Saints |
| 7–14 | Handball | 2018 African Men's Junior Handball Championship | Continental | Egypt |
| 7–15 | Multi-sport | 2018 Asia Pacific Masters Games | Continental | For all the individual sports results, click here. |
| 7–16 | Badminton | 2018 European Junior Badminton Championships | Continental | France |
| 8 | Ultramarathon | 2018 IAU 100 km World Championships | International | Men: Hideaki Yamauchi Women: Nikolina Šustić |
| 8–9 | Athletics | 2018 IAAF Continental Cup | International | Team Americas |
| 9 | Motorcycle racing | 2018 San Marino and Rimini's Coast motorcycle Grand Prix | International | MotoGP: Andrea Dovizioso ( Ducati Corse) Moto2: Francesco Bagnaia ( Sky Racing Team by VR46) Moto3: Lorenzo Dalla Porta ( Leopard Racing) |
| 9–16 | Rowing | 2018 World Rowing Championships | International | Italy |
| 9–22 | Association football | 2018 OFC U-16 Championship | Continental | New Zealand |
| 10–16 | Rhythmic gymnastics | 2018 Rhythmic Gymnastics World Championships | International | Russia |
| 10–16 | Swimming | 2018 African Swimming Championships | Continental | Egypt |
| 10–30 | Volleyball | / 2018 FIVB Volleyball Men's World Championship | International | Poland |
| 11–16 | Water polo | 2018 FINA Men's Water Polo World Cup | International | Hungary |
| 11–23 | Equestrianism | 2018 FEI World Equestrian Games | International | Germany |
| 12–16 | Curling | 2018–19 Curling World Cup – First Leg | International | Men: Canada (Skip: Kevin Koe) Women: Canada (Skip: Rachel Homan) Mixed Doubles: Canada (Laura Walker & Kirk Muyres) |
| 12–16 | Triathlon | 2018 ITU World Triathlon Series Grand Final | International | Men: Vincent Luis Women: Ashleigh Gentle |
| 12–18 | Chess | 2018 FISU World University Chess Championship | International | |
| 13–16 | Rallying | 2018 Rally Turkey (WRC #10) | International | Ott Tänak & Martin Järveoja ( Toyota Gazoo Racing WRT) |
| 13–16 | Golf | 2018 Evian Championship | International | Angela Stanford |
| 14–15 | Mountain bike racing | 2018 UCI Mountain Bike Marathon World Championships | International | Men: Henrique Avancini Women: Annika Langvad |
| 14–16 | 3x3 basketball | 2018 FIBA 3x3 Europe Cup | Continental | Men: Serbia Women: France |
| 15 | Professional boxing | Canelo Álvarez vs. Gennady Golovkin II | International | Canelo Álvarez |
| 15–22 | Handball | 2018 African Men's Youth Handball Championship | Continental | Egypt |
| 15–22 | Surfing | 2018 ISA World Surfing Games | International | Men: Santiago Muñiz Women: Sally Fitzgibbons |
| 15–23 | Netball | / 2018 Netball Quad Series (September) | International | Australia |
| 15–28 | Cricket | 2018 Asia Cup | Continental | India |
| 16 | Formula One | 2018 Singapore Grand Prix | International | Lewis Hamilton ( Mercedes) |
| 16 | Marathon | 2018 Berlin Marathon (WMM #4) | International | Men: Eliud Kipchoge Women: Gladys Cherono Kiprono |
| 16 | Mountain running | 2018 World Mountain Running Championships | International | Men: Robert Chemonges Women: Lucy Wambui Murigi |
| 16–26 | Handball | 2018 Asian Men's Youth Handball Championship | Continental | Bahrain |
| 17–21 | Netball | 2018 FISU World University Netball Championship | International | Uganda |
| 17–23 | Amateur wrestling | 2018 World Junior Wrestling Championships | International | Men's Freestyle: Russia Women's Freestyle: Japan Greco-Roman: Iran |
| 18–23 | Table tennis | 2018 European Table Tennis Championships | Continental | Men: Timo Boll Women: Li Qian |
| 20–23 | Weightlifting | 2018 FISU World University Weightlifting Championships | International | Japan |
| 20–27 | Judo | 2018 World Judo Championships | International | Japan |
| 20–7 October | Association football | 2018 AFC U-16 Championship | Continental | Japan |
| 21–23 | Tennis | 2018 Laver Cup | International | Team Europe |
| 22 | Triathlon | 2018 ITU Triathlon World Cup #13 | International | Men: Gustav Iden Women: Taylor Spivey |
| 22–30 | Basketball | 2018 FIBA Women's Basketball World Cup | International | United States |
| 22–30 | Road bicycle racing | 2018 UCI Road World Championships | International | Netherlands |
| 23 | Motorcycle racing | 2018 Aragon motorcycle Grand Prix | International | MotoGP: Marc Márquez ( Repsol Honda) Moto2: Brad Binder ( Ajo Motorsport) Moto3: Jorge Martín ( Gresini Racing) |
| 23–6 October | Chess | 43rd Chess Olympiad | International | Open: China Women: China |
| 25–30 | Canoe slalom | 2018 ICF Canoe Slalom World Championships | International | Great Britain |
| 28–30 | Golf | 2018 Ryder Cup | International | Team Europe |
| 28–30 | Table tennis | 2018 ITTF Women's World Cup | International | Ding Ning |
| 30 | Formula One | 2018 Russian Grand Prix | International | Lewis Hamilton ( Mercedes) |
| 30–6 October | Darts | 2018 World Grand Prix | International | Michael van Gerwen |
| 30–20 October | Volleyball | 2018 FIVB Volleyball Women's World Championship | International | Serbia |

### October

| Date | Sport | Venue/Event | Status | Winner/s |
| 1–13 | Rugby league | 2018 Emerging Nations World Championship | International | Malta |
| 3–9 | Handball | 2018 Asian Women's Club League Handball Championship | Continental | Almaty Club |
| 4–7 | Golf | 2018 International Crown | International | South Korea |
| 4–7 | Rallying | 2018 Wales Rally GB (WRC #11) | International | Sébastien Ogier & Julien Ingrassia ( M-Sport World Rally Team) |
| 4–17 | Association football | 2018 CONCACAF Women's Championship | Continental | United States |
| 6–7 | Motorcycle racing | 2018 Motocross des Nations | International | France |
| 6–13 | Multi-sport | 2018 Asian Para Games | Continental | China |
| 6–18 | Multi-sport | 2018 Summer Youth Olympics | International | Russia |
| 7 | Formula One | 2018 Japanese Grand Prix | International | Lewis Hamilton ( Mercedes) |
| 7 | Horse racing | 2018 Prix de l'Arc de Triomphe | International | Horse: Enable Jockey: Frankie Dettori Trainer: John Gosden |
| 7 | Marathon | 2018 Chicago Marathon (WMM #5) | International | Men: Mo Farah Women: Brigid Kosgei |
| 7 | Motorcycle racing | 2018 Thailand motorcycle Grand Prix | International | MotoGP: Marc Márquez ( Repsol Honda) Moto2: Francesco Bagnaia ( SKY Racing Team by VR46) Moto3: Fabio Di Giannantonio ( Gresini Racing) |
| 7–14 | Tennis | 2018 Shanghai Masters | International | Novak Djokovic |
| 11–17 | Golf | 2018 Senior LPGA Championship | International | Laura Davies |
| 13 | Road bicycle racing | 2018 Il Lombardia (Monument #5) | International | Thibaut Pinot ( Groupama–FDJ) |
| 13 | Triathlon | 2018 Ironman World Championship | International | Men: Patrick Lange Women: Daniela Ryf |
| 13 | Triathlon | 2018 ITU Triathlon World Cup #15 | International | Men: Vincent Luis Women: Renee Tomlin |
| 13–14 | Rugby sevens | 2018 Africa Men's Sevens | Continental | Zimbabwe |
| 13–20 | Curling | 2018 World Mixed Curling Championship | International | Canada (Skip: Mike Anderson) |
| 15–21 | Badminton | 2018 World University Badminton Championships | International | Chinese Taipei |
| 16–19 | Handball | 2018 IHF Super Globe | International | Barcelona |
| 18–28 | Field hockey | 2018 Asian Men's Hockey Champions Trophy | Continental | India / Pakistan |
| 18–4 November | Association football | 2018 AFC U-19 Championship | Continental | Saudi Arabia |
| 19–21 | Table tennis | 2018 ITTF Men's World Cup | International | Fan Zhendong |
| 19–28 | Baseball | 2018 U-23 Baseball World Cup | International | Mexico |
| 19–1 November | Chess | 2018 World Youth Chess Championship | International | Men's U18: Viktor Gazik Women's U18: Polina Shuvalova |
| 20–21 | Rugby sevens | 2018 USA Women's Sevens (WRWSS #1) | International | New Zealand |
| 20–27 | Olympic weightlifting | 2018 European Junior & U23 Weightlifting Championships | Continental | Russia |
| 20–28 | Amateur wrestling | 2018 World Wrestling Championships | International | Russia |
| 21 | Formula One | 2018 United States Grand Prix | International | Kimi Räikkönen ( Ferrari) |
| 21 | Motorcycle racing | 2018 Japanese motorcycle Grand Prix | International | MotoGP: Marc Márquez ( Repsol Honda) Moto2: Francesco Bagnaia ( SKY Racing Team by VR46) Moto3: Marco Bezzecchi ( Redox PrüstelGP) |
| 21 | Triathlon | 2018 ITU Triathlon World Cup #16 | International | Men: David Castro Fajardo Women: Yuliya Yelistratova |
| 21–28 | Tennis | 2018 WTA Finals | International | Singles: Elina Svitolina Doubles: Tímea Babos / Kristina Mladenovic |
| 23–28 | Baseball | 2018 World Series | Domestic | Boston Red Sox |
| 25–28 | Golf | 2018 WGC-HSBC Champions | International | Xander Schauffele |
| 25–28 | Rallying | 2018 Rally Catalunya (WRC #12) | International | Sébastien Loeb & Daniel Elena ( Citroën World Rally Team) |
| 25–28 | Darts | 2018 European Championship | International | James Wade |
| 25–3 November | Artistic gymnastics | 2018 World Artistic Gymnastics Championships | International | United States |
| 27 | Triathlon | 2018 ITU Triathlon World Cup #17 | International | Men: Max Studer Women: Ai Ueda |
| 27–28 | Netball | 2018 Fast5 Netball World Series | International | New Zealand |
| 28 | Formula One | 2018 Mexican Grand Prix | International | Max Verstappen ( Red Bull Racing) |
| 28 | Motorcycle racing | 2018 Australian motorcycle Grand Prix | International | MotoGP: Maverick Viñales ( Yamaha Motor Racing) Moto2: Brad Binder ( Ajo Motorsport) Moto3: Albert Arenas ( Ángel Nieto Team) |
| 28–3 November | Basketball | 2018 FIBA Under-18 Women's Asian Championship | Continental | China |
| 29–4 November | Tennis | 2018 Paris Masters | International | Karen Khachanov |
| 30–4 November | Tennis | 2018 WTA Elite Trophy | International | Ashleigh Barty |

### November

| Date | Sport | Venue/Event | Status | Winner/s |
| 1–10 | Weightlifting | 2018 World Weightlifting Championships | International | China |
| 1–21 | Association football | 2018 CONCACAF U-20 Championship | Continental | United States |
| 2–3 | Horse racing | 2018 Breeders' Cup | International | Breeders' Cup Classic: Horse: Accelerate Jockey: Joel Rosario Trainer: John Sadler |
| 2–4 | Judo | 2018 European U23 Judo Championships | Continental | Russia |
| 2–9 | Association football | / 2018 CAF Champions League Final | Continental | Espérance de Tunis |
| 2–12 | Shooting sport | 2018 Shooting Championship of the Americas | Continental | United States |
| 2–23 | Chess | Women's World Chess Championship 2018 (tournament) | International | Ju Wenjun |
| 3 | Cyclocross | 2018 UEC European Cyclo-cross Championships | Continental | Men: Mathieu van der Poel Women: Annemarie Worst |
| 3–10 | Association football | / 2018 AFC Champions League Final | Continental | Kashima Antlers |
| 3–10 | Curling | 2018 Pacific-Asia Curling Championships | Continental | Men: Japan (Skip: Yuta Matsumura) Women: South Korea (Skip: Kim Min-ji) |
| 4 | Marathon | 2018 New York City Marathon (WMM #6) | International | Men: Lelisa Desisa Women: Mary Keitany |
| 4 | Motorcycle racing | 2018 Malaysian motorcycle Grand Prix | International | MotoGP: Marc Márquez ( Repsol Honda) Moto2: Luca Marini ( Sky Racing Team by VR46) Moto3: Jorge Martin ( Gresini Racing) |
| 5–18 | Badminton | 2018 BWF World Junior Championships | International | China |
| 6 | Horse racing | 2018 Melbourne Cup | International | Horse: Cross Counter Jockey: Kerrin McEvoy Trainer: Charlie Appleby |
| 6–10 | Beach soccer | 2018 Beach Soccer Intercontinental Cup | International | Iran |
| 6–10 | Tennis | 2018 Next Generation ATP Finals | International | Stefanos Tsitsipas |
| 6–11 | Karate | 2018 World Karate Championships | International | Japan |
| 7–10 | Trampolining | 2018 Trampoline Gymnastics World Championships | International | China |
| 7–11 | Swimming | 2018 South American Swimming Championships | Continental | Brazil |
| 8–12 | Sambo | 2018 World Sambo Championships | International | Russia |
| 8–15 | Baseball | 2018 MLB Japan All-Star Series | International | Samurai Japan |
| 9–24 | Cricket | 2018 ICC Women's World Twenty20 | International | Australia |
| 9–28 | Chess | World Chess Championship 2018 | International | Magnus Carlsen |
| 10 | Triathlon | 2018 ITU Triathlon World Cup #18 | International | Men: Vicente Hernández Women: Summer Cook |
| 10–11 | Tennis | 2018 Fed Cup Final | International | Czech Republic |
| 10–18 | Darts | 2018 Grand Slam of Darts | International | Gerwyn Price |
| 10–9 December | Association football | / 2018 Copa Libertadores Finals | Continental | River Plate |
| 11 | Formula One | 2018 Brazilian Grand Prix | International | Lewis Hamilton ( Mercedes) |
| 11–18 | Tennis | 2018 ATP Finals | International | Singles: Alexander Zverev Doubles: Mike Bryan / Jack Sock |
| 12–18 | Amateur wrestling | 2018 World U23 Wrestling Championship | International | Men's Freestyle: Russia Women's Freestyle: Japan Greco-Roman: Georgia |
| 13–1 December | Association football | 2018 FIFA U-17 Women's World Cup | International | Spain |
| 15–18 | Golf | 2018 CME Group Tour Championship | International | Lexi Thompson |
| 15–18 | Rallying | 2018 Rally Australia (WRC #13) | International | Jari-Matti Latvala & Miikka Anttila ( Toyota Gazoo Racing WRT) |
| 15–24 | Amateur boxing | 2018 AIBA Women's World Boxing Championships | International | China |
| 16–24 | Curling | 2018 European Curling Championships | Continental | Men: Scotland (Skip: Bruce Mouat) Women: Sweden (Skip: Anna Hasselborg) |
| 17–25 | Field hockey | 2018 Women's Hockey Champions Trophy | International | Netherlands |
| 17–1 December | Association football | 2018 Africa Women Cup of Nations | Continental | Nigeria |
| 18 | Motorcycle racing | 2018 Valencian Community motorcycle Grand Prix | International | MotoGP: Andrea Dovizioso ( Ducati Corse) Moto2: Miguel Oliveira ( Ajo Motorsport) Moto3: Can Öncü ( Ajo Motorsport) |
| 18–1 December | Association football | 2018 OFC Women's Nations Cup | Continental | New Zealand |
| 20–25 | Table tennis | 2018 Pan American Table Tennis Championships | Continental | Men: Kanak Jha Women: Adriana Díaz |
| 21–25 | Golf | 2018 World Cup of Golf | International | Belgium (Thomas Pieters & Thomas Detry) |
| 23–25 | Tennis | 2018 Davis Cup Final | International | Croatia |
| 25 | Canadian football | 106th Grey Cup | Domestic | Calgary Stampeders |
| 25 | Formula One | 2018 Abu Dhabi Grand Prix | International | Lewis Hamilton ( Mercedes) |
| 25 | Horse racing | 2018 Japan Cup | International | Horse: Almond Eye Jockey: Christophe Lemaire Trainer: Sakae Kunieda |
| 26–2 December | Volleyball | 2018 FIVB Volleyball Men's Club World Championship | International | Trentino Volley |
| 27–9 December | Snooker | 2018 UK Championship (Triple Crown #1) | International | Ronnie O'Sullivan |
| 28–16 December | Field hockey | 2018 Men's Hockey World Cup | International | Belgium |
| 29–1 December | Rugby sevens | 2018 Dubai Sevens (WRSS #1) 2018 Dubai Women's Sevens (WRWSS #2) | International | Men: New Zealand Women: New Zealand |
| 29–4 December | Handball | 2018 South and Central American Women's Handball Championship | Continental | Brazil |
| 29–16 December | Handball | 2018 European Women's Handball Championship | Continental | France |
| 30–9 December | Handball | 2018 Asian Women's Handball Championship | Continental | South Korea |

### December

| Date | Sport | Venue/Event | Status | Winner/s |
| 1 | Auto racing | 2018 FIA GT Nations Cup | International | Turkey (Ayhancan Güven & Salih Yoluç) ( Ram Racing) |
| 1 | Professional boxing | Deontay Wilder vs. Tyson Fury | International | Deontay Wilder & Tyson Fury fought to a Split Decision Draw |
| 1–9 | Floorball | 2018 Men's World Floorball Championships | International | Finland |
| 2–9 | Table tennis | 2018 World Junior Table Tennis Championships | International | China |
| 2–12 | Handball | 2018 African Women's Handball Championship | Continental | Angola |
| 4–7 | Nine-ball pool | 2018 Mosconi Cup | International | Team USA |
| 4–9 | Volleyball | 2018 FIVB Volleyball Women's Club World Championship | International | Vakıfbank İstanbul |
| 5–9 | Curling | 2018–19 Curling World Cup – Second Leg | International | Men's: United States (Skip: John Shuster) Women's: Japan (Skip: Satsuki Fujisawa) Mixed Doubles: Norway (Kristin Skaslien & Magnus Nedregotten) |
| 5–12 | Association football | / 2018 Copa Sudamericana Finals | Continental | Atlético Paranaense |
| 6–9 | Figure skating | 2018–19 Grand Prix of Figure Skating Final | International | Men: Nathan Chen Ladies: Rika Kihira Pairs: France (Vanessa James & Morgan Ciprès) Ice Dance: United States (Madison Hubbell & Zachary Donohue) |
| 8–9 | Rugby sevens | 2018 South Africa Sevens (WRSS #2) | International | Fiji |
| 8–14 | Beach soccer | 2018 Africa Beach Soccer Cup of Nations | Continental | Senegal |
| 8–14 | Ice hockey | 2019 World Junior Ice Hockey Championships – Division I Group B | International | Slovenia was promoted to Division I – Group A Japan was relegated to Division II – Group A |
| 9 | Cross country running | 2018 European Cross Country Championships | Continental | Men: Filip Ingebrigtsen Women: Yasemin Can |
| 9 | Horse racing | 2018 Hong Kong Cup | International | Horse: Glorious Forever Jockey: Silvestre de Sousa Trainer: Frankie Lor |
| 9–15 | Ice hockey | 2019 World Junior Ice Hockey Championships – Division I Group A | International | Germany was promoted to Top Division France was relegated to Division I – Group B |
| 11–16 | Swimming | 2018 FINA World Swimming Championships (25 m) | International | United States |
| 12–16 | Badminton | 2018 BWF World Tour Finals | International | Men: Shi Yuqi Women: P. V. Sindhu |
| 12–16 | Taekwondo | 2018 World Taekwondo Grand Slam | International | Great Britain |
| 12–22 | Association football | 2018 FIFA Club World Cup | International | Real Madrid |
| 13–16 | Table tennis | 2018 ITTF World Tour Grand Finals | International | Men: Tomokazu Harimoto Women: Chen Meng |
| 13–1 January 2019 | Darts | 2019 PDC World Darts Championship | International | Michael van Gerwen |
| 14–20 | Nine-ball pool | 2018 WPA World Nine-ball Championship | International | Joshua Filler |
| 15 | Formula E | Ad Diriyah ePrix (FE #1) | International | António Félix da Costa ( BMW i Andretti Motorsport) |
| 26–30 | Chess | 2018 World Rapid & Blitz Chess Championships | International | Rapid (Open): Daniil Dubov Rapid (Women): Ju Wenjun Blitz (Open): Magnus Carlsen Blitz (Women): Kateryna Lagno |
| 26–5 January 2019 | Ice hockey | 2019 World Junior Ice Hockey Championships | International | Finland |
| 29–6 January 2019 | Cross-country skiing | // 2018–19 Tour de Ski | International | Men: Johannes Høsflot Klæbo Women: Ingvild Flugstad Østberg |
| 30–6 January 2019 | Ski jumping | / 2018–19 Four Hills Tournament | International | Ryoyu Kobayashi |