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Category | Sports car racing |
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Country | United States, Canada |
Inaugural season | 2006 |
Folded | 2022 |
Classes | LMP3 |
Last Drivers' champion |
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Last Teams' champion | Wulver Racing |
Official website | IMSA Official Site |
IMSA Prototype Challenge (formerly IMSA Prototype Lites) was a racing series featuring two classes of single-seat prototype cars racing simultaneously. The series was sanctioned by the International Motor Sports Association (IMSA). Most races were held in support of the WeatherTech SportsCar Championship. [1] The series raced LMP3 class prototype sportscars. The cars have grown in size and speed since its 2006 introduction, starting from four-cylinder and motorcycle powered race cars to large V8 powered cars. Each race was 1 hour and 45 minutes long apart from the season opening 3 hour race at Daytona International Speedway.
The series' final season was in 2022. For 2023, the series was replaced with the IMSA VP Racing SportsCar Challenge. [2]
Minimum weight | 930 kilograms (2,050 lb) |
Maximum length | 4,650 millimetres (183 in) |
Maximum width | 1,900 millimetres (75 in) |
Engine | Naturally aspirated Nissan V8 5.6L |
Fuel tank size | 85 litres (22 US gal) |
Maximum wheel diameter | 28 inches (710 mm) |
Maximum wheel width | 13 inches (330 mm) [3] |
MPC Class
L2 Class [5]
L2 Class 2006-2012 only [6]
L3 Class 2006-2009 only, class discontinued for 2010 [7]
Season | Class | Driver Champion | Masters Champion | Team Champion |
---|---|---|---|---|
2006 | L1 |
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n/a |
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L2 |
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n/a | PVM Racing | |
L3 |
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n/a | n/a | |
2007 | L1 |
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n/a |
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L2 |
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n/a | PVM Racing | |
L3 |
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n/a |
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2008 | L1 |
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L2 |
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L3 |
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KC Racing | |
2009 | L1 |
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L2 |
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L3 |
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Surface Exploration | |
2010 | L1 |
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L2 |
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2011 | L1 |
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L2 |
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2012 | L1 |
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L2 |
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2013 | L1 |
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L2 |
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2014 | L1 |
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L2 |
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2015 | L1 |
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L2 |
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n/a |
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2016 | L1 |
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2017 | LMP3 |
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MPC |
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2018 | LMP3 |
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MPC |
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n/a |
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2019 | LMP3 |
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2020 | LMP3 |
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2021 | LMP3-1 |
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LMP3-2 |
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2022' | LMP3 |
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n/a |
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[9] |
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Category | Sports car racing |
---|---|
Country | United States, Canada |
Inaugural season | 2006 |
Folded | 2022 |
Classes | LMP3 |
Last Drivers' champion |
![]() |
Last Teams' champion | Wulver Racing |
Official website | IMSA Official Site |
IMSA Prototype Challenge (formerly IMSA Prototype Lites) was a racing series featuring two classes of single-seat prototype cars racing simultaneously. The series was sanctioned by the International Motor Sports Association (IMSA). Most races were held in support of the WeatherTech SportsCar Championship. [1] The series raced LMP3 class prototype sportscars. The cars have grown in size and speed since its 2006 introduction, starting from four-cylinder and motorcycle powered race cars to large V8 powered cars. Each race was 1 hour and 45 minutes long apart from the season opening 3 hour race at Daytona International Speedway.
The series' final season was in 2022. For 2023, the series was replaced with the IMSA VP Racing SportsCar Challenge. [2]
Minimum weight | 930 kilograms (2,050 lb) |
Maximum length | 4,650 millimetres (183 in) |
Maximum width | 1,900 millimetres (75 in) |
Engine | Naturally aspirated Nissan V8 5.6L |
Fuel tank size | 85 litres (22 US gal) |
Maximum wheel diameter | 28 inches (710 mm) |
Maximum wheel width | 13 inches (330 mm) [3] |
MPC Class
L2 Class [5]
L2 Class 2006-2012 only [6]
L3 Class 2006-2009 only, class discontinued for 2010 [7]
Season | Class | Driver Champion | Masters Champion | Team Champion |
---|---|---|---|---|
2006 | L1 |
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n/a |
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L2 |
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n/a | PVM Racing | |
L3 |
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n/a | n/a | |
2007 | L1 |
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n/a |
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L2 |
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n/a | PVM Racing | |
L3 |
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n/a |
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2008 | L1 |
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L2 |
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L3 |
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KC Racing | |
2009 | L1 |
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L2 |
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L3 |
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Surface Exploration | |
2010 | L1 |
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L2 |
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2011 | L1 |
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L2 |
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2012 | L1 |
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L2 |
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2013 | L1 |
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L2 |
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2014 | L1 |
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L2 |
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2015 | L1 |
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L2 |
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n/a |
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2016 | L1 |
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2017 | LMP3 |
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MPC |
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2018 | LMP3 |
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MPC |
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n/a |
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2019 | LMP3 |
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2020 | LMP3 |
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2021 | LMP3-1 |
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LMP3-2 |
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2022' | LMP3 |
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n/a |
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[9] |