# IMSA Prototype Challenge > Mediated Wiki article. Canonical URL: https://mediated.wiki/source/IMSA_Prototype_Challenge > Markdown URL: https://mediated.wiki/source/IMSA_Prototype_Challenge.md > Source: https://en.wikipedia.org/wiki/IMSA_Prototype_Challenge > Source revision: 1340340352 > License: Creative Commons Attribution-ShareAlike 4.0 International (https://creativecommons.org/licenses/by-sa/4.0/) Motorsport series For the Camel Lights series of the 1980s, see [IMSA GT Championship](/source/IMSA_GT_Championship). IMSA Prototype Challenge Category Sports car racing Country United States, Canada Inaugural season 2006 Folded 2022 Classes LMP3 Last Drivers' champion Tõnis Kasemets 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](/source/International_Motor_Sports_Association) (IMSA). Most races were held in support of the [WeatherTech SportsCar Championship](/source/WeatherTech_SportsCar_Championship).[1] The series raced [LMP3](/source/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](/source/Daytona_International_Speedway). The series' final season was in [2022](/source/2022_IMSA_Prototype_Challenge). For 2023, the series was replaced with the [IMSA VP Racing SportsCar Challenge](/source/IMSA_VP_Racing_SportsCar_Challenge).[2] ## Car Specifications ### LMP3 Class 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] ### Former classes MPC Class - **Engine**: 2.0-liter, [Naturally aspirated](/source/Naturally-aspirated_engine) [Mazda MZR engine](/source/Mazda_MZR_engine) - **Gearbox**: 6 Speed [Sequential Manual Transmission](/source/Sequential_Manual_Transmission) - **Weight**: 1,425 lb (646 kg) with driver - **Fuel Delivery**: [Electronic fuel injection](/source/Electronic_fuel_injection)[4] L2 Class[5] - **Engine**: 2.3-liter, [Naturally aspirated](/source/Naturally-aspirated_engine) [Mazda MP2](/source/Mazda_L_engine) - **Gearbox**: 6 Speed [Sequential Manual Transmission](/source/Sequential_Manual_Transmission) - **Weight**: 1,425 lb (646 kg) with driver - **Fuel Delivery**: [Electronic fuel injection](/source/Electronic_fuel_injection) L2 Class *2006-2012 only*[6] - **Engine**: 1000cc [Naturally aspirated](/source/Naturally-aspirated_engine) Kawasaki or Suzuki - **Weight**: 1,100 lb (500 kg) with driver L3 Class *2006-2009 only, class discontinued for 2010*[7] - **Engine**: 2.3-liter, [Naturally aspirated](/source/Naturally-aspirated_engine) [Mazda MZR](/source/Mazda_L_engine) - **Weight**: 1,350 lb (612 kg) with driver ## Champions Season Class Driver Champion Masters Champion Team Champion 2006 L1 Adam Pecorari[8] n/a Cape Motorsports L2 Dan McBreen n/a PVM Racing L3 Robert Mumm n/a n/a 2007 L1 Gerardo Bonilla n/a B-K Motorsports L2 Robby Card n/a PVM Racing L3 Richard Spicer n/a Spicer-Hagerman 2008 L1 Jonathan Goring Jon Brownson Comprent Motorsports L2 Tom Drewer Eric Vassian WEST Racing L3 Chris Funk Chris Funk KC Racing 2009 L1 Joel Feinberg Gary Gibson Eurosport Racing L2 John Weisberg Alain Nadal Berg Racing L3 Chris Doyle Chris Funk Surface Exploration 2010 L1 Charlie Shears Charlie Shears Core Autosport L2 John Weisberg Jim Garrett Berg Racing 2011 L1 Ricardo Vera Daniel Mancini Eurosport L2 Robert Sabato Alan Wilzig 6th Gear Racing 2012 L1 Tristan Nunez Jon Brownson Performance Tech L2 Scott Tucker Alan Wilzig Level 5 Motorsports 2013 L1 Sean Rayhall Jon Brownson Performance Tech L2 Brian Alder Jerome Mee Ansa Motorsports 2014 L1 Mikhail Goikhberg John Falb JDC Motorsports L2 Brian Alder Jerome Mee BAR1 Motorsports 2015 L1 Kenton Koch John Falb JDC Motorsports L2 Brian Alder n/a BAR1 Motorsports 2016 L1 Clark Toppe Joel Janco JDC Motorsports 2017 LMP3 Colin Thompson Naj Husain P1 Motorsports MPC Kyle Masson Stuart Rettie Performance Tech Motorsports 2018 LMP3 Kris Wright Cameron Cassels #30 Extreme Speed Motorsports MPC Jon Brownson n/a #34 Eurosport Racing 2019 LMP3 Austin McCusker Rodrigo Pflucker Joel Janco #47 Forty 7 Racing 2020 LMP3 Matthew Bell Naveen Rao Steven Thomas #64 K2R Motorsports LLC 2021 LMP3-1 Dakota Dickerson Josh Sarchet David Grant Keith Grant MLT Motorsports LMP3-2 Danny Kok George Staikos Danny Kok George Staikos Conquest Racing 2022 LMP3 Tõnis Kasemets n/a Wulver Racing [9] ## Circuits - [Barber Motorsports Park](/source/Barber_Motorsports_Park) (2017–2018) - [Canadian Tire Motorsport Park](/source/Canadian_Tire_Motorsport_Park) (2007–2019, 2022) - [Circuit of the Americas](/source/Circuit_of_the_Americas) (2013) - [Circuit Trois-Rivières](/source/Circuit_Trois-Rivi%C3%A8res) (2016–2017) - [Daytona International Speedway](/source/Daytona_International_Speedway) (2018–2021) - [Kansas Speedway](/source/Kansas_Speedway) (2014) - [Laguna Seca](/source/Laguna_Seca) (2007–2008, 2010–2013, 2016) - [Lime Rock Park](/source/Lime_Rock_Park) (2006–2011, 2017, 2003–2015) - [Mid-Ohio Sports Car Course](/source/Mid-Ohio_Sports_Car_Course) (2006, 2011, 2013, 2019–2022) - [New Jersey Motorsports Park](/source/New_Jersey_Motorsports_Park) (2009–2010) - [NOLA Motorsports Park](/source/NOLA_Motorsports_Park) (2015) - [Road America](/source/Road_America) (2006, 2009–2015, 2020) - [Road Atlanta](/source/Road_Atlanta) (2006–2022) - [Sebring International Raceway](/source/Sebring_International_Raceway) (2007–2021) - [Utah Motorsports Campus](/source/Utah_Motorsports_Campus) (2007–2010, 2012) - [Virginia International Raceway](/source/Virginia_International_Raceway) (2012, 2014–2015, 2018–2022) - [Watkins Glen International](/source/Watkins_Glen_International) (2014–2017, 2021) ## References 1. **[^](#cite_ref-1)** ["IMSA, Cooper Tire align for partnership in Cooper Tires Prototype Lites Championship"](https://web.archive.org/web/20111017235846/http://www.imsaracing.net/2009/news/lites/IMSA%20Lites%20Cooper%20Tires%20Announcement.pdf) (PDF). *Press release*. International Motor Sports Association. Archived from [the original](http://www.imsaracing.net/2009/news/lites/IMSA%20Lites%20Cooper%20Tires%20Announcement.pdf) (PDF) on 17 October 2011. Retrieved 30 June 2011. 1. **[^](#cite_ref-2)** ["IMSA to Replace Prototype Challenge with New Sprint Racing Class in 2023"](https://www.autoweek.com/racing/more-racing/a40486558/imsa-to-replace-prototype-challenge-with-new-sprint-racing-class-in-2023/). *autoweek.com*. Hearst Autos, Inc. July 1, 2022. Retrieved January 21, 2023. 1. **[^](#cite_ref-3)** ["The different classes"](http://www.europeanlemansseries.com/en/elms/the-different-classes/4). Automobile Club de l'Ouest (ACO). Retrieved 2016-05-05. 1. **[^](#cite_ref-4)** [2014 Technical Regulations](http://www.imsa.com/sites/default/files/uploads/TECHNICAL%20REGULATIONS%202014%20CTPL%20030414.pdf) [Archived](https://web.archive.org/web/20151015073824/http://www.imsa.com/sites/default/files/uploads/TECHNICAL%20REGULATIONS%202014%20CTPL%20030414.pdf) 2015-10-15 at the [Wayback Machine](/source/Wayback_Machine), *IMSA.com/competitors*, Retrieved 20 September 2014 1. **[^](#cite_ref-5)** [2014 Technical Regulations](http://www.imsa.com/sites/default/files/uploads/TECHNICAL%20REGULATIONS%202014%20CTPL%20030414.pdf) [Archived](https://web.archive.org/web/20151015073824/http://www.imsa.com/sites/default/files/uploads/TECHNICAL%20REGULATIONS%202014%20CTPL%20030414.pdf) 2015-10-15 at the [Wayback Machine](/source/Wayback_Machine), *IMSA.com/competitors*, Retrieved 20 September 2014 1. **[^](#cite_ref-6)** ["Cooper Tires Prototype Lites Championship Technical Regulations Lites 2 / L-2 2011"](https://web.archive.org/web/20111015211308/http://imsaracing.net/2011/lites/rules/2011%20PROTOTYPE%20Lites%202%20Technical%20Regulations.pdf) (PDF). International Motor Sports Association. January 20, 2011. Archived from [the original](http://imsaracing.net/2011/lites/rules/2011%20PROTOTYPE%20Lites%202%20Technical%20Regulations.pdf) (PDF) on 15 October 2011. Retrieved 30 June 2011. 1. **[^](#cite_ref-7)** ["Cooper Tires Prototype Lites Championship Technical Regulations Lites 3 / L-3 2010"](https://web.archive.org/web/20111015215848/http://imsaracing.net/2010/lites/bulletins/Prototype%20Lites%203%20Tech%20Regs%202010%20Final.pdf) (PDF). International Motor Sports Association. February 1, 2010. Archived from [the original](http://imsaracing.net/2010/lites/bulletins/Prototype%20Lites%203%20Tech%20Regs%202010%20Final.pdf) (PDF) on 15 October 2011. Retrieved 30 June 2011. 1. **[^](#cite_ref-8)** Åberg, Andres. ["The racing career of Adam Pecorari — in detail"](https://web.archive.org/web/20121019121224/http://www.driverdb.com/drivers/948/career/). Driver Database. Archived from [the original](http://www.driverdb.com/drivers/948/career/) on 19 October 2012. Retrieved 30 June 2011. 1. **[^](#cite_ref-9)** ["Cooper Tires Prototype Lites Results and Points"](http://imsaracing.net/newpage2a.cfm?p=/2011/lites/2011resultslites-c.cfm). International Motor Sports Association. Retrieved 24 June 2011. ## External links - [Official site](http://prototypechallenge.imsa.com/) [Archived](https://web.archive.org/web/20170220092116/http://prototypechallenge.imsa.com/) 2017-02-20 at the [Wayback Machine](/source/Wayback_Machine) v t e LMP3 Championships (2015–present) Asia Asian Le Mans Series 2015–16 2016–17 2017–18 2018–19 2019–20 2021 2022 2023 2023–24 2024–25 2025–26 Asian Le Mans Cup 2026–27 FRD LMP3 Series 2017 Europe European Le Mans Series 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026 Le Mans Cup 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026 Road to Le Mans 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026 V de V Endurance Series 2015 2016 2017 2018 British LMP3 Cup 2016 2017 2018 24H Proto Series 2017 2018 Prototype Challenge 2017 2018 2019 2020 2021 2022 2023 2024 Ultimate Cup Series 2019 2020 2021 2022 2023 2024 2025 2026 Prototype Cup Germany 2022 2023 2024 2025 Prototype Winter Series 2024 2025 2026 Prototype Cup Europe 2026 Americas IMSA Prototype Challenge 2017 2018 2019 2020 2021 2022 IMSA VP Racing SportsCar Challenge 2023 2024 2025 2026 LMP3 Engines Nissan VK50VE VK56DE Toyota V35A-FTS Generation I Cars and Constructors ADESS 03 Ave-Riley AR-2 Ginetta-Juno P3-15 Ligier JS P3 Norma M30 Generation II Cars and Constructors ADESS 03 Evo Duqueine D08 Ginetta G61-LT-P3 Ligier JS P320 Generation III Cars and Constructors ADESS AD25 Duqueine D09 Ginetta G61-LT-P3 Evo Ligier JS P325 Automobile Club de l'Ouest Le Mans Prototype List of Le Mans Prototypes v t e IMSA Prototype Challenge & IMSA VP Racing SportsCar Challenge race tracks (2006–present) Current (2026) Daytona Austin Sebring Mid-Ohio Virginia Mosport Road America Road Atlanta Returning (2027) Lime Rock Former Barber Kansas Laguna Seca New Jersey New Orleans St. Petersburg Trois-Rivières Utah Watkins Glen --- Adapted from the Wikipedia article [IMSA Prototype Challenge](https://en.wikipedia.org/wiki/IMSA_Prototype_Challenge) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/IMSA_Prototype_Challenge?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.