# 2021 IMSA Prototype Challenge

The 2021 IMSA Prototype Challenge is the sixteenth season of the IMSA Lites series and its successors, and the fifth under the IMSA Prototype Challenge name. The season started on January 23 at Daytona International Speedway and concludes on November 12 at Michelin Raceway Road Atlanta.

## Calendar

The provisional 2021 calendar was released on September 9, 2020. As of April 7, 2021 the calendar remains provisional and subject to change.
| Round | Circuit | Location | Date |
| 1 | Daytona International Speedway | Daytona Beach, Florida | January 23 |
| 2 | Sebring International Raceway | Sebring, Florida | March 14 |
| 3 | Mid-Ohio Sports Car Course | Lexington, Ohio | May 16 |
| 4 | Watkins Glen International | Watkins Glen, New York | July 2 |
| 5 | Virginia International Raceway | Alton, Virginia | October 8 |
| 6 | Michelin Raceway Road Atlanta | Braselton, Georgia | November 12 |

### Calendar Changes

* All races are now 1 hour 45 minutes in length.
* Canadian Tire Motorsport Park (Mosport) returned to the calendar after being cancelled for 2020 due to the COVID-19 pandemic.
* Road America, which replaced Mosport in 2020, did not return for 2021.
* On April 7, 2021, Watkins Glen International replaced Canadian Tire Motorsport Park on the schedule due to COVID-19 restrictions. The new event is scheduled for July 2.

## Series News

* 2020-spec LMP3 cars will be allowed to compete in the championship for 2021. 2015-spec cars are still allowed. The classes will be called LMP3–1 (2020) and LMP3–2 (2015).
* Points will be awarded at 10x the amount awarded in 2020, points are still awarded down to 30th place.

## Entries

| Team | Car | Engine | No. | Drivers | Class | Class | Rounds |
| Team | Car | Engine | No. | Drivers | Car | Driver | Rounds |
| WIN Autosport | Duqueine M30 - D08 | Nissan VK56DE 5.6 L V8 | 1 | Matthew Bell | P3 | | 1–2 |
| WIN Autosport | Duqueine M30 - D08 | Nissan VK56DE 5.6 L V8 | 1 | Naveen Rao | P3 | | 1–2 |
| WIN Autosport | Duqueine M30 - D08 | Nissan VK56DE 5.6 L V8 | 11 | Steven Thomas | P3 | B | 1–2 |
| Jr III Racing | Ligier JS P320 | Nissan VK56DE 5.6 L V8 | 3 | Eric Palmer | P3 | | 1–2 |
| Jr III Racing | Ligier JS P320 | Nissan VK56DE 5.6 L V8 | 3 | Greg Palmer | P3 | | 1–2 |
| Jr III Racing | Ligier JS P320 | Nissan VK56DE 5.6 L V8 | 3 | Terry Olson | P3 | | 3, 6 |
| Jr III Racing | Ligier JS P320 | Nissan VK56DE 5.6 L V8 | 3 | Mike Skeen | P3 | | 3, 5–6 |
| Jr III Racing | Ligier JS P320 | Nissan VK56DE 5.6 L V8 | 3 | Ken D'Arcy | P3 | B | 4 |
| Jr III Racing | Ligier JS P320 | Nissan VK56DE 5.6 L V8 | 3 | Marc Sharinn | P3 | B | 4–5 |
| Jr III Racing | Ligier JS P320 | Nissan VK56DE 5.6 L V8 | 33 | Ari Balogh | P3 | | 1–2, 4–6 |
| Jr III Racing | Ligier JS P320 | Nissan VK56DE 5.6 L V8 | 33 | Natasha Balogh | P3 | | 1–2 |
| Jr III Racing | Ligier JS P320 | Nissan VK56DE 5.6 L V8 | 33 | Garett Grist | P3 | | 4–6 |
| Performance Tech Motorsports | Ligier JS P320 | Nissan VK56DE 5.6 L V8 | 6 | Dan Goldburg | P3 | | All |
| Performance Tech Motorsports | Ligier JS P320 | Nissan VK56DE 5.6 L V8 | 6 | Rasmus Lindh | P3 | | All |
| VOLT Racing with Archangel | Ligier JS P320 | Nissan VK56DE 5.6 L V8 | 7 | Alan Brynjolfsson | P3 | | All |
| VOLT Racing with Archangel | Ligier JS P320 | Nissan VK56DE 5.6 L V8 | 7 | Trent Hindman | P3 | | All |
| JDC MotorSports | Duqueine M30 - D08 | Nissan VK56DE 5.6 L V8 | 9 | Scott Andrews | P3 | | TBA |
| JDC MotorSports | Duqueine M30 - D08 | Nissan VK56DE 5.6 L V8 | 9 | Gerry Kraut | P3 | | TBA |
| JDC MotorSports | Duqueine M30 - D08 | Nissan VK56DE 5.6 L V8 | 40 | David Grant | P3 | B | All |
| JDC MotorSports | Duqueine M30 - D08 | Nissan VK56DE 5.6 L V8 | 40 | Keith Grant | P3 | B | All |
| D Motorsports | Ligier JS P3 | Nissan VK50VE 5.0 L V8 | 15 | Mike Watt | P3 | | 5–6 |
| D Motorsports | Ligier JS P3 | Nissan VK50VE 5.0 L V8 | 15 | Nic Jönsson | P3 | | 5–6 |
| O'Gara Motorsport | Ligier JS P320 | Nissan VK56DE 5.6 L V8 | 17 | Jacob Eidson | P3 | | 4–6 |
| O'Gara Motorsport | Ligier JS P320 | Nissan VK56DE 5.6 L V8 | 17 | Brian Thienes | P3 | | 4–6 |
| Andretti Autosport | Ligier JS P320 | Nissan VK56DE 5.6 L V8 | 18 | Jarett Andretti | P3 | | 1–2 |
| Andretti Autosport | Ligier JS P320 | Nissan VK56DE 5.6 L V8 | 18 | Tristan Herbert | P3 | | 1–2 |
| Mühlner Motorsport America | Duqueine M30 - D08 | Nissan VK56DE 5.6 L V8 | 21 | Laurents Hörr | P3 | | 1–2 |
| Mühlner Motorsport America | Duqueine M30 - D08 | Nissan VK56DE 5.6 L V8 | 21 | Moritz Kranz | P3 | | All |
| Mühlner Motorsport America | Duqueine M30 - D08 | Nissan VK56DE 5.6 L V8 | 21 | Ugo de Wilde | P3 | | 5–6 |
| Mühlner Motorsport America | Duqueine M30 - D08 | Nissan VK56DE 5.6 L V8 | 22 | Tyler Maxson | P3 | | 6 |
| Mühlner Motorsport America | Duqueine M30 - D08 | Nissan VK56DE 5.6 L V8 | 22 | C. R. Crews | P3 | | 6 |
| Sean Creech Motorsport | Ligier JS P3 | Nissan VK50VE 5.0 L V8 | 24 | Nigel Greensall | P3 | B | 2 |
| Sean Creech Motorsport | Ligier JS P3 | Nissan VK50VE 5.0 L V8 | 24 | Francesco Melandri | P3 | B | 2–4 |
| Sean Creech Motorsport | Ligier JS P3 | Nissan VK50VE 5.0 L V8 | 24 | Lance Willsey | P3 | B | 3 |
| Sean Creech Motorsport | Ligier JS P3 | Nissan VK50VE 5.0 L V8 | 24 | Anthony Lazzarro | P3 | B | 4 |
| Conquest Racing/JMF Motorsports Conquest Racing | Duqueine M30 - D08 | Nissan VK56DE 5.6 L V8 | 34 | Peter Ludwig | P3 | | 1–2 |
| Conquest Racing/JMF Motorsports Conquest Racing | Duqueine M30 - D08 | Nissan VK56DE 5.6 L V8 | 34 | James French | P3 | | 1 |
| Conquest Racing/JMF Motorsports Conquest Racing | Duqueine M30 - D08 | Nissan VK56DE 5.6 L V8 | 34 | Colin Mullan | P3 | | 2–6 |
| Conquest Racing/JMF Motorsports Conquest Racing | Duqueine M30 - D08 | Nissan VK56DE 5.6 L V8 | 34 | Antoine Comeau | P3 | | 3–6 |
| Conquest Racing/JMF Motorsports Conquest Racing | Norma M30 | Nissan VK50VE 5.0 L V8 | 61 | Danny Kok | P3 | B | All |
| Conquest Racing/JMF Motorsports Conquest Racing | Norma M30 | Nissan VK50VE 5.0 L V8 | 61 | George Staikos | P3 | B | All |
| Robillard Racing | Duqueine M30 - D08 | Nissan VK56DE 5.6 L V8 | 43 | Stevan McAleer | P3 | | All |
| Robillard Racing | Duqueine M30 - D08 | Nissan VK56DE 5.6 L V8 | 43 | Joe Robillard | P3 | | All |
| CT Motorsports LLC | Duqueine M30 - D08 | Nissan VK56DE 5.6 L V8 | 46 | Scott Huffaker | P3 | | 1–4, 6 |
| CT Motorsports LLC | Duqueine M30 - D08 | Nissan VK56DE 5.6 L V8 | 46 | Steven Scullen | P3 | | 1–4, 6 |
| Forty7 Motorsports | Duqueine M30 - D08 | Nissan VK56DE 5.6 L V8 | 47 | Jon Brownson | P3 | | All |
| Forty7 Motorsports | Duqueine M30 - D08 | Nissan VK56DE 5.6 L V8 | 47 | Dario Cangialosi | P3 | | All |
| Forty7 Motorsports | Duqueine M30 - D08 | Nissan VK56DE 5.6 L V8 | 74 | Courtney Crone | P3 | | All |
| Forty7 Motorsports | Duqueine M30 - D08 | Nissan VK56DE 5.6 L V8 | 74 | Jason Rabe | P3 | | All |
| One Motorsports | Ligier JS P3 | Nissan VK50VE 5.0 L V8 | 50 | Indy Al Miller | P3 | B | 2 |
| One Motorsports | Ligier JS P3 | Nissan VK50VE 5.0 L V8 | 86 | Bob Iversen | P3 | B | 1 |
| One Motorsports | Ligier JS P3 | Nissan VK50VE 5.0 L V8 | 86 | Terry Olson | P3 | B | 1 |
| One Motorsports | Ligier JS P320 | Nissan VK56DE 5.6 L V8 | 81 | Indy Al Miller | P3 | B | 1 |
| One Motorsports | Ligier JS P320 | Nissan VK56DE 5.6 L V8 | 81 | Mel Johnson | P3 | B | 1 |
| One Motorsports | Ligier JS P320 | Nissan VK56DE 5.6 L V8 | 81 | Mel Johnson | P3 | | 2 |
| One Motorsports | Ligier JS P320 | Nissan VK56DE 5.6 L V8 | 81 | Kenton Koch | P3 | | 2 |
| MLT Motorsports | Ligier JS P320 | Nissan VK56DE 5.6 L V8 | 54 | Dakota Dickerson | P3 | | All |
| MLT Motorsports | Ligier JS P320 | Nissan VK56DE 5.6 L V8 | 54 | Josh Sarchet | P3 | | All |
| Wulver Racing | Ligier JS P3 | Nissan VK50VE 5.0 L V8 | 60 | Bruce Hamilton | P3 | | 1 |
| Wulver Racing | Ligier JS P3 | Nissan VK50VE 5.0 L V8 | 60 | Tonis Kasemets | P3 | | 1 |
| Wulver Racing | Ligier JS P320 | Nissan VK56DE 5.6 L V8 | 60 | Tonis Kasemets | P3 | | 2–6 |
| Wulver Racing | Ligier JS P320 | Nissan VK56DE 5.6 L V8 | 60 | Bruce Hamilton | P3 | | 2–6 |
| Riley Motorsports | Ligier JS P320 | Nissan VK56DE 5.6 L V8 | 91 | Jim Cox | P3 | | 3 |
| Riley Motorsports | Ligier JS P320 | Nissan VK56DE 5.6 L V8 | 91 | Dylan Murry | P3 | | 3 |
| Icon | Class |
| Car ||
| P3 | LMP3-1 |
| P3 | LMP3-2 |
| Driver ||
| B | Bronze Cup |

## Race results

Bold indicates to overall winner.
| Rnd | Circuit | LMP3–1 Winners | LMP3–2 Winners |
| 1 | Daytona | #21 Mühlner Motorsport America | #60 Wulver Racing |
| 1 | Daytona | Laurents Hörr Moritz Kranz | Bruce Hamilton Tonis Kasemets |
| 2 | Sebring | #7 VOLT Racing with Archangel | #24 Sean Creech Motorsport |
| 2 | Sebring | Alan Brynjolfsson Trent Hindman | Nigel Greensall Francesco Melandri |
| 3 | Mid-Ohio | #21 Mühlner Motorsport America | #24 Sean Creech Motorsport |
| 3 | Mid-Ohio | Moritz Kranz | Francesco Melandri Lance Willsey |
| 4 | Watkins Glen | #54 MLT Motorsports | #24 Sean Creech Motorsport |
| 4 | Watkins Glen | Dakota Dickerson Josh Sarchet | Anthony Lazzaro Francesco Melandri |
| 5 | Virginia | #6 Performance Tech Motorsports | #15 D Motorsports |
| 5 | Virginia | Dan Goldburg Rasmus Lindh | Nic Jönsson Mike Watt |
| 6 | Road Atlanta | #21 Mühlner Motorsport America | #15 D Motorsports |
| 6 | Road Atlanta | Ugo de Wilde Moritz Kranz | Nic Jönsson Mike Watt |

## Championship standings
### Points system

| Position | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 |
| Points | 350 | 320 | 300 | 280 | 260 | 250 | 240 | 230 | 220 | 210 | 200 | 190 | 180 | 170 | 160 | 150 | 140 | 130 | 120 | 110 | 100 | 90 | 80 | 70 | 60 | 50 | 40 | 30 | 20 | 10 |

### Driver's Championships
#### LMP3-1

| Pos. | Drivers | DAY | SEB | MOH | WGL | VIR | ATL | Points |
| 1 | Dakota Dickerson Josh Sarchet | 2 | 3 | 3 | 1 | 2 | 5 | 1850 |
| 2 | Moritz Kranz | 1 | 5 | 1 | 2 | 10 | 1 | 1840 |
| 3 | Alan Brynjolfsson Trent Hindman | 14 | 1 | 7 | 7 | 4 | 2 | 1600 |
| 4 | Dan Goldburg Rasmus Lindh | 15 | 2 | 12 | 3 | 1 | 9 | 1540 |
| 5 | Stevan McAleer Joe Robillard | 16 | 7 | 5 | 5 | 6 | 4 | 1440 |
| 6 | David Grant Keith Grant | 3 | 8 | 4 | 13 | 8 | 10 | 1430 |
| 7 | Jon Brownson Dario Cagialosi | 11 | 14 | 11 | 6 | 13 | 7 | 1240 |
| 8 | Courtney Crone Jason Rabe | 9 | 16 | 10 | 9 | 11 | 11 | 1200 |
| 9 | Ari Balogh | 12 | 15 | | 4 | 3 | 6 | 1180 |
| 10 | Bruce Hamilton Tonis Kasemets | | 11 | 8 | 12 | 9 | 8 | 1070 |
| 11 | Scott Huffaker Steve Scullen | 5 | 10 | 9 | 11 | | 15 | 1050 |
| 12 | Colin Mullan | | 12 | 6 | 8 | 12 | 14 | 1030 |
| 13 | Mike Skeen | | | 2 | | 7 | 3 | 860 |
| 14 | Antoine Comeau | | | 6 | 8 | 12 | 14 | 840 |
| 15 | Garett Grist | | | | 4 | 3 | 6 | 830 |
| 16 | Jacob Eidson Brian Thienes | | | | 10 | 5 | 12 | 660 |
| 17 | Terry Olson | | | 2 | | | 3 | 620 |
| 18 | Laurents Hörr | 1 | 5 | | | | | 610 |
| 19 | Ugo de Wilde | | | | | 10 | 1 | 560 |
| 20 | Matthew Bell Naveen Rao | 7 | 4 | | | | | 520 |
| 21 | Mel Johnson | 8 | 6 | | | | | 480 |
| 22 | Steven Thomas | 6 | 9 | | | | | 470 |
| 23 | Jarett Andretti Tristan Herbert | 4 | 17 | | | | | 420 |
| 24 | Marc Sharinn | | | | 14 | 7 | | 410 |
| 25 | Eric Palmer Greg Palmer | 10 | 13 | | | | | 390 |
| 26 | Peter Ludwig | 13 | 12 | | | | | 370 |
| 27 | Natasha Balogh | 12 | 15 | | | | | 350 |
| 28 | Kenton Koch | | 6 | | | | | 250 |
| 29 | Indy Al Miller | 8 | | | | | | 230 |
| 30 | Tyler Maxson C. R. Crews | | | | | | 13 | 180 |
| 31 | James French | 13 | | | | | | 180 |
| 32 | Ken D'Arcy | | | | 14 | | | 170 |
| 33 | Jim Cox Dylan Murry | | | DNS | | | | 0 |
| Pos. | Drivers | DAY | SEB | MOH | WGL | VIR | ATL | Points |
| Colour | Result |
| Gold | Winner |
| Silver | Second place |
| Bronze | Third place |
| Green | Points finish |
| Blue | Non-points finish |
| Blue | Non-classified finish (NC) |
| Purple | Retired (Ret) |
| Red | Did not qualify (DNQ) |
| Red | Did not pre-qualify (DNPQ) |
| Black | Disqualified (DSQ) |
| White | Did not start (DNS) |
| White | Withdrew (WD) |
| White | Race cancelled (C) |
| Blank | Did not practice (DNP) |
| Blank | Did not arrive (DNA) |
| Blank | Excluded (EX) |

#### LMP3-2

| Pos. | Drivers | DAY | SEB | MOH | WGL | VIR | ATL | Points |
| 1 | Danny Kok George Staikos | 2 | 2 | 2 | 2 | 2 | 2 | 1920 |
| 2 | Francesco Melandri | | 1 | 1 | 1 | | | 1050 |
| 3 | Mike Watt Nic Jönsson | | | | | 1 | 1 | 700 |
| 4 | Bruce Hamilton Tonis Kasemets | 1 | | | | | | 350 |
| 5 | Nigel Greensall | | 1 | | | | | 350 |
| 6 | Lance Willsey | | | 1 | | | | 350 |
| 7 | Anthony Lazzaro | | | | 1 | | | 350 |
| 8 | Bob Iversen Terry Olson | 3 | | | | | | 300 |
| 9 | Indy Al Miller | | 3 | | | | | 300 |
| Pos. | Drivers | DAY | SEB | MOH | WGL | VIR | ATL | Points |

### Team's Championships
#### LMP3-1

| Pos. | Team | Car | DAY | SEB | MOH | WGL | VIR | ATL | Points |
| 1 | #54 MLT Motorsports | Ligier JS P320 | 2 | 3 | 3 | 1 | 2 | 5 | 1850 |
| 2 | #21 Mühlner Motorsport America | Duqueine M30 - D08 | 1 | 5 | 1 | 2 | 10 | 1 | 1840 |
| 3 | #7 VOLT Racing with Archangel | Ligier JS P320 | 14 | 1 | 7 | 7 | 4 | 2 | 1600 |
| 4 | #6 Performance Tech Motorsports | Ligier JS P320 | 15 | 2 | 12 | 3 | 1 | 9 | 1540 |
| 5 | #43 Robillard Racing | Duqueine M30 - D08 | 16 | 7 | 5 | 5 | 6 | 4 | 1440 |
| 6 | #40 JDC MotorSports | Duqueine M30 - D08 | 3 | 8 | 4 | 13 | 8 | 10 | 1430 |
| 7 | #3 Jr III Racing | Ligier JS P320 | 10 | 13 | 2 | 14 | 7 | 3 | 1420 |
| 8 | #47 Forty7 Motorsports | Duqueine M30 - D08 | 11 | 14 | 11 | 6 | 13 | 7 | 1240 |
| 9 | #34 Conquest Racing/JMF Motorsports | Duqueine M30 - D08 | 13 | 12 | 6 | 8 | 12 | 14 | 1210 |
| 10 | #74 Forty7 Motorsports | Duqueine M30 - D08 | 9 | 16 | 10 | 9 | 11 | 11 | 1200 |
| 11 | #33 Jr III Racing | Ligier JS P320 | 12 | 15 | | 4 | 3 | 6 | 1180 |
| 12 | #60 Wulver Racing | Ligier JS P320 | | 11 | 8 | 12 | 9 | 8 | 1070 |
| 13 | #46 CT Motorsports LLC | Duqueine M30 - D08 | 5 | 10 | 9 | 11 | | 15 | 1050 |
| 14 | #17 O'Gara Motorsport / USRT | Ligier JS P320 | | | | 10 | 5 | 12 | 660 |
| 15 | #1 WIN Autosport | Duqueine M30 - D08 | 7 | 4 | | | | | 520 |
| 16 | #81 ONE Motorsports | Ligier JS P320 | 8 | 6 | | | | | 480 |
| 17 | #11 WIN Autosport | Duqueine M30 - D08 | 6 | 9 | | | | | 470 |
| 18 | #18 Andretti Autosport | Ligier JS P320 | 4 | 17 | | | | | 420 |
| 19 | #22 Mühlner Motorsport America | Duqueine M30 - D08 | | | | | | 13 | 180 |
| 20 | #91 Riley Motorsports | Ligier JS P320 | | | DNS | | | | 0 |
| Pos. | Team | Car | DAY | SEB | MOH | WGL | VIR | ATL | Points |

#### LMP3-2

| Pos. | Team | Car | DAY | SEB | MOH | WGL | VIR | ATL | Points |
| 1 | #61 Conquest Racing | Norma M30 | 2 | 2 | 2 | 2 | 2 | 2 | 1920 |
| 2 | #24 Sean Creech Motorsport | Ligier JS P3 | | 1 | 1 | 1 | | | 1050 |
| 3 | #15 D Motorsports | Ligier JS P3 | | | | | 1 | 1 | 700 |
| 4 | #86 ONE Motorsports | Ligier JS P3 | 3 | | | | | | 300 |
| 5 | #50 ONE Motorsports | Ligier JS P3 | | 3 | | | | | 300 |
| 4 | #60 Wulver Racing | Ligier JS P3 | 1 | | | | | | 0 |
| Pos. | Team | Car | DAY | SEB | MOH | WGL | VIR | ATL | Points |

##### Note

    #60 Wulver Racing after Round1 moved to LMP3-1 category.

### Bronze Driver's Cup
#### LMP3-1

| Pos. | Drivers | DAY | SEB | MOH | WGL | VIR | ATL | Points |
| 1 | David Grant Keith Grant | 1 | 1 | 2 | 2 | 1 | 1 | 2040 |
| 2 | Moritz Kranz | | | 1 | 1 | | | 700 |
| 3 | Steven Thomas | 2 | 2 | | | | | 640 |
| 4 | Indy Al Miller Mel Johnson | 3 | | | | | | 300 |
| 5 | Ken D'Arcy Marc Sharinn | | | | 3 | | | 300 |
| Pos. | Drivers | DAY | SEB | MOH | WGL | VIR | ATL | Points |

#### LMP3-2

| Pos. | Drivers | DAY | SEB | MOH | WGL | VIR | ATL | Points |
| 1 | Danny Kok George Staikos | 1 | 2 | 2 | 2 | 1 | 1 | 2010 |
| 2 | Francesco Melandri | | 1 | 1 | 1 | | | 1050 |
| 3 | Nigel Greensall | | 1 | | | | | 350 |
| 4 | Lance Willsey | | | 1 | | | | 350 |
| 5 | Anthony Lazzaro | | | | 1 | | | 350 |
| 6 | Bob Iverson Terry Olson | 2 | | | | | | 320 |
| 7 | Indy Al Miller | | 3 | | | | | 300 |
| Pos. | Drivers | DAY | SEB | MOH | WGL | VIR | ATL | Points |