# Machel Cedenio

Machel Cedenio (born 6 September 1995) is a Trinidadian sprinter specialising in the 400 metres. He represented his country at two outdoor and one indoor World Championships winning a silver medal in the relay at the 2015 outdoor edition. He competed at the 2016 Summer Olympics. He qualified for the final and came fourth with a new personal best of 44.01 seconds. At the time, this was the fastest fourth place time for the 400 metres.

## International competitions

| Year | Competition | Venue | Position | Event | Notes |
| Representing Trinidad and Tobago ||||||
| 2010 | CARIFTA Games (U17) | George Town, Cayman Islands | 1st | 4 × 400 m | 3:16.30 |
| 2010 | Central American and Caribbean Junior Championships (U18) | Santo Domingo, Dom. Rep. | 2nd | 400 m | 48.12 |
| 2010 | Central American and Caribbean Junior Championships (U18) | Santo Domingo, Dom. Rep. | 2nd | 4 × 400 m | 3:17.54 |
| 2011 | CARIFTA Games (U17) | Montego Bay, Jamaica | 1st | 200 m | 21.43 |
| 2011 | CARIFTA Games (U17) | Montego Bay, Jamaica | 1st | 400 m | 47.38 |
| 2011 | CARIFTA Games (U17) | Montego Bay, Jamaica | 2nd | 4 × 100 m | 41.13 |
| 2011 | CARIFTA Games (U17) | Montego Bay, Jamaica | 2nd | 4 × 400 m | 3:15.35 |
| 2011 | World Youth Championships | Lille, France | 4th | 400 m | 46.89 |
| 2011 | World Youth Championships | Lille, France | 6th | Medley relay | 1:52.77 |
| 2011 | Pan American Junior Championships | Miramar, United States | 13th (h) | 400 m | 50.55 |
| 2011 | Pan American Junior Championships | Miramar, United States | 2nd | 4 × 400 m | 3:13.27 |
| 2012 | CARIFTA Games (U20) | Hamilton, Bermuda | 2nd | 400 m | 47.93 |
| 2012 | CARIFTA Games (U20) | Hamilton, Bermuda | 2nd | 4 × 400 m | 3:11.62 |
| 2012 | Central American and Caribbean Junior Championships (U18) | San Salvador, El Salvador | 1st | 400 m | 47.36 |
| 2012 | Central American and Caribbean Junior Championships (U18) | San Salvador, El Salvador | 1st | 4 × 400 m | 3:11.66 |
| 2012 | World Junior Championships | Barcelona, Spain | 5th | 400 m | 46.17 |
| 2012 | World Junior Championships | Barcelona, Spain | 3rd | 4 × 400 m | 3:06.32 |
| 2013 | CARIFTA Games (U20) | Nassau, Bahamas | 1st | 400 m | 45.93 |
| 2013 | CARIFTA Games (U20) | Nassau, Bahamas | 2nd | 4 × 400 m | 3:06.23 |
| 2013 | Central American and Caribbean Championships | Morelia, Mexico | 1st | 4 × 400 m | 3:02.19 |
| 2014 | IAAF World Relays | Nassau, Bahamas | 3rd | 4 × 400 m | 2:58.34 |
| 2014 | CARIFTA Games (U20) | Fort-de-France, Martinique | 1st | 400 m | 45.95 |
| 2014 | CARIFTA Games (U20) | Fort-de-France, Martinique | 1st | 4 × 400 m | 3:06.02 |
| 2014 | Central American and Caribbean Junior Championships (U20) | Morelia, Mexico | 1st | 400 m | 45.28 |
| 2014 | World Junior Championships | Eugene, United States | 1st | 400 m | 45.13 |
| 2014 | World Junior Championships | Eugene, United States | 16th (h) | 4 × 400 m | 3:12.06 |
| 2015 | IAAF World Relays | Nassau, Bahamas | 7th | 4 × 400 m | 3:03.10 |
| 2015 | Pan American Games | Toronto, Canada | 2nd | 400 m | 44.70 |
| 2015 | Pan American Games | Toronto, Canada | 1st | 4 × 400 m | 2:59.60 |
| 2015 | World Championships | Beijing, China | 7th | 400 m | 45.06 |
| 2015 | World Championships | Beijing, China | 2nd | 4 × 400 m | 2:58.20 |
| 2016 | World Indoor Championships | Portland, United States | 5th (h) | 4 × 400 m | 3:07.83 |
| 2016 | Olympic Games | Rio de Janeiro, Brazil | 4th | 400 m | 44.01 |
| 2016 | Olympic Games | Rio de Janeiro, Brazil | – | 4 × 400 m | DQ |
| 2017 | World Championships | London, United Kingdom | 21st (sf) | 400 m | 45.91 |
| 2017 | World Championships | London, United Kingdom | 1st | 4 × 400 m | 2.58.12 |
| 2018 | World Indoor Championships | Birmingham, United Kingdom | 5th (h) | 4 × 400 m | 3:05.96 |
| 2018 | Commonwealth Games | Gold Coast, Australia | 11th (sf) | 400 m | 46.19 |
| 2018 | Commonwealth Games | Gold Coast, Australia | 4th | 4 × 400 m | 3:02.85 |
| 2019 | World Relays | Yokohama, Japan | 1st | 4 × 400 m | 3:00.81 |
| 2019 | Pan American Games | Lima, Peru | 12th (h) | 400 m | 46.77 |
| 2019 | Pan American Games | Lima, Peru | 3rd | 4 × 400 m | 3:02.25 |
| 2019 | World Championships | Doha, Qatar | 7th | 400 m | 45.30 |
| 2019 | World Championships | Doha, Qatar | 5th | 4 × 400 m | 3:00.74 |
| 2021 | Olympic Games | Tokyo, Japan | 21st (sf) | 400 m | 45.86 |
| 2021 | Olympic Games | Tokyo, Japan | 8th | 4 × 400 m | 3:00.85 |
| 2023 | Central American and Caribbean Games | San Salvador, El Salvador | 1st | 4 × 400 m | 3:01.99 |