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The 2018 IMSA Prototype Challenge presented by Mazda is the thirteenth season of the IMSA Lites series and its successors and the second season as the IMSA Prototype Challenge. The season features 6 races across 6 weekends.
The 2018 schedule was released on 24 August 2017 and features six rounds. [1]
| Rnd | Circuit | Location | Date | Duration | Supporting |
|---|---|---|---|---|---|
| 1 | Daytona International Speedway | Daytona Beach, Florida | January 6 | 1 hour 45 mins | WeatherTech SportsCar Championship |
| 2 | Sebring International Raceway | Sebring, Florida | March 16 | 1 hour 45 mins | 12 Hours of Sebring |
| 3 | Barber Motorsports Park | Birmingham, Alabama | April 22 | 1 hour 45 mins | Honda Indy Grand Prix of Alabama |
| 4 | Canadian Tire Motorsport Park | Bowmanville, Ontario | July 8 | 1 hour 45 mins | WeatherTech SportsCar Championship |
| 5 | Virginia International Raceway | Alton, Virginia | August 18 | 1 hour 45 mins | WeatherTech SportsCar Championship |
| 6 | Road Atlanta | Braselton, Georgia | October 12 | 1 hour 45 mins | Petit Le Mans |
| NC | Sebring International Raceway | Sebring, Florida | November 9 | 4 hours | IMSA Michelin Encore 1 |
1 LMP3 will participate in this race with the WeatherTech SportsCar Championship's GT Daytona class and the Grand Sport and TCR cars from the Continental Tire SportsCar Challenge as one single four-hour race. This race will preview the 2019 IMSA rules package and new tyre supplier Michelin. [2]
All teams use Nissan VK50VE 5.0L V8 engines.
| Team | Car | No. | Drivers | Rounds |
|---|---|---|---|---|
| Extreme Speed Motorsports | Ligier JS P3 | 3 |  Max Hanratty | All |
| Michael Whelden | 1 | |||
 Benjamin Waddell | 2–3, 5 | |||
| Garett Grist | 4 | |||
| Harry Gottsacker | 6 | |||
| 30 | Kris Wright | All | ||
| Daniel Morad | 1 | |||
| Michael Whelden | 2 | |||
 Yann Clairay | 3–4 | |||
 Stephen Simpson | 5 | |||
 Niclas Jönsson | 6 | |||
| 33 | Lance Willsey (M) | 1–4, 6 | ||
| ANSA Motorsports | Ligier JS P3 | 4 | Roman De Angelis | 1 |
| Dean Baker (M) | 2–6 | |||
| Zacharie Robichon | ||||
| Charles Wicht Racing | Ligier JS P3 | 7 | Charles Wicht (M) | 1 |
 Leo Lamelas | All | |||
 Patricio O'Ward | 2 | |||
| Will Owen | 3 | |||
| Roman De Angelis | 4 | |||
| Andrew Evans | 5–6 | |||
| Mazzoni | Ginetta-Juno P3-15 | 12 | Bill Mazzoni | 2 |
| P1 Motorsports | Ligier JS P3 | 17 | Corey Lewis | All |
| Matt Dicken | ||||
| 25 | Kenton Koch | All | ||
| Joel Janco (M) | ||||
| 42 | Jim Garrett (M) | All | ||
| Robby Foley | ||||
| Baker Racing | Ligier JS P3 | 19 | Brad Baker (M) | 2–4 |
 Jan Heylen | ||||
| Gilbert LMP3 Racing | Ligier JS P3 | 23 | Henry Gilbert (M) | 1 |
| Andy Pilgrim (M) | 1 | |||
| Mike Skeen | 2 | |||
| Shane Lewis | 2 | |||
| K2R Motorsports | Ligier JS P3 | 26 | James McGuire Jr (M) | 2 |
 Matthew Bell | ||||
| 51 | Rob Hodes (M) | All | ||
| Sean Rayhall | 1–4 | |||
| Scott Andrews | 5 | |||
| Garett Grist | 6 | |||
| Polestar Motor Racing Inc. | Ligier JS P3 | 40 | Keith Grant | 3–6 |
| David Grant | ||||
| Ave Motorsports | Riley-Ave AR-2 | 44 | Josh Hurley | 1–3 |
| Gary Gibson (M) | ||||
| Forty 7 Motorsports | Norma M30 | 47 | Austin McCusker | All |
 David Droux | 1 | |||
| TJ Fischer | 2–6 | |||
| 74 | Anthony Simone | 2–4, 6 | ||
 Rodrigo Pflucker | ||||
| JDC Motorsports | Ligier JS P3 | 55 | Gerry Kraut (M) | 2, 6 |
| Scott Andrews | ||||
| Wulver Racing | Ligier JS P3 | 60 | Bruce Hamilton | 5–6 |
 Tõnis Kasemets | ||||
| Performance Tech Motorsports | Ligier JS P3 | 75 | Cameron Cassels (M) | All |
| Trent Hindman | 4 | |||
| Five Miles Out Racing | Norma M30 | 87 | Nicholas Colyvas (M) | 3 |
| Jay Howard | 3–4 | |||
| Hanna Zellers | 4–6 | |||
| Daniel Swanbeck | 5 | |||
| Nicholas Colyvas | 6 | |||
| 88 | Charles Chi (M) | 3–6 | ||
| Memo Gidley | ||||
| Source: [3] [4] [5] [6] [7] | ||||
Note: A driver with a (M) is participating in the Amateur Masters Category.
All teams use Elan DP02 chassis and Mazda MZR 2.0L 4 cylinder engines.
| Team | No. | Drivers | Rounds |
|---|---|---|---|
| Performance Tech Motorsports | 11 | Robert Masson | All |
| Kyle Masson | 4–6 | ||
| 18 | Wyatt Schwab | 1–3 | |
| John DeAngelis | 6 | ||
| 22 | Stephen Dawes | All | |
| 77 | Howard Jacobs | All | |
| James French | 4–6 | ||
| ODU Motorsports | 21 | Stuart Rettie | 1 |
| 46 | Jay Salmon | 1 | |
| Eurosport Racing | 24 | Tim George | 1–2 |
| 31 | Michal Chlumecky | 1, 3–6 | |
| 34 | Jon Brownson | All | |
| Wolf Motorsports | 28 | Bart Wolf | All |
| Tazio Ottis | |||
| ONE Motorsports | 32 | Gerhard Watzinger | 6 |
| 36 | Paul LaHaye | All | |
| 86 | Dave House | All | |
| Mikel Miller | 1, 5–6 | ||
| Source: [3] [4] [5] [6] [7] | |||
Bold indicates overall winner.
| Round | Circuit | LMP3 Winning Car | MPC Winning Car |
|---|---|---|---|
| LMP3 Winning Drivers | MPC Winning Drivers | ||
| 1 | Daytona [8] | No. 4 ANSA Motorsports | No. 11 Performance Tech Motorsports |
| Roman De Angelis | Robert Masson | ||
| 2 | Sebring [9] | No. 7 CWR | No. 86 ONE Motorsports |
| Leo Lamelas Patricio O'Ward | Dave House | ||
| 3 | Barber [10] | No. 30 Extreme Speed Motorsports | No. 31 Eurosport Racing |
| Yann Clairay Kris Wright | Michal Chlumecky | ||
| 4 | Mosport [11] | No. 47 Forty 7 Motorsports | No. 77 Performance Tech Motorsports |
| TJ Fischer Austin McCusker | James French Howard Jacobs | ||
| 5 | Virginia [12] | No. 30 Extreme Speed Motorsports | No. 77 Performance Tech Motorsports |
| Stephen Simpson Kris Wright | James French Howard Jacobs | ||
| 6 | Road Atlanta | No. 47 Forty 7 Motorsports | No. 34 Eurosport Racing |
| TJ Fischer Austin McCusker | Jon Brownson |
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Race | 35 | 32 | 30 | 28 | 26 | 25 | 24 | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 |
|
Bold - Pole position |
| Pos. | Driver | DAY | SEB | BAR | MOS | VIR | ATL | Points |
|---|---|---|---|---|---|---|---|---|
| 1 | Jon Brownson | 5 | 9 | 2 | 2 | 6 | 1 | 172 |
| 2 | Tazio Ottis Bart Wolf | 3 | 4 | 4 | 7 | 4 | 2 | 170 |
| 3 | Stephen Dawes | 4 | 3 | 8 | 4 | 3 | 3 | 169 |
| 4 | Howard Jacobs | 11 | 5 | 7 | 1 | 1 | 5 | 166 |
| 5 | Dave House | 6 | 1 | 5 | 6 | 2 | 10 | 164 |
| 6 | Paul LaHaye | 9 | 2 | 6 | 3 | 5 | 4 | 163 |
| 7 | Robert Masson | 1 | 8 | 3 | 8 | 8 | 9 | 156 |
| 8 | Michal Chlumecky | 12 | 1 | 5 | 7 | 8 | 104 | |
| 9 | James French | 1 | 1 | 5 | 96 | |||
| 10 | Mikel Miller | 6 | 2 | 10 | 78 | |||
| 11 | Wyatt Schwab | 7 | 6 | 9 | 71 | |||
| 12 | Kyle Masson | 8 | 8 | 9 | 68 | |||
| 13 | Tim George | 8 | 7 | 47 | ||||
| 14 | Stuart Rettie | 2 | 32 | |||||
| 15 | Gerhard Watzinger | 6 | 25 | |||||
| 16 | John DeAngelis | 7 | 24 | |||||
| 17 | Jay Salmon | 10 | 21 | |||||
| Pos. | Driver | DAY | SEB | BAR | MOS | VIR | ATL | Points |
| Pos. | Team | DAY | SEB | BAR | MOS | VIR | ATL | Points |
|---|---|---|---|---|---|---|---|---|
| 1 | No. 30 Extreme Speed Motorsports | 3 | 3 | 1 | 2 | 1 | 2 | 194 |
| 2 | No. 47 Forty 7 Motorsports | 2 | 2 | 16 | 1 | 6 | 1 | 174 |
| 3 | No. 3 Extreme Speed Motorsports | 4 | 8 | 4 | 3 | 5 | 4 | 163 |
| 4 | No. 4 ANSA Motorsports | 1 | 13 | 8 | 4 | 2 | 8 | 159 |
| 5 | No. 7 CWR | 7 | 1 | 3 | 16 | 4 | 13 | 150 |
| 6 | No. 17 P1 Motorsports | 12 | 5 | 6 | 6 | 8 | 9 | 140 |
| 7 | No. 75 Performance Tech Motorsports | 8 | 11 | 13 | 7 | 9 | 5 | 133 |
| 8 | No. 51 K2R Motorsports | 9 | 16 | 7 | 5 | 3 | 16 | 130 |
| 9 | No. 42 P1 Motorsports | 9 | 6 | 9 | 8 | 13 | 12 | 129 |
| 10 | No. 25 P1 Motorsports | 6 | 14 | 11 | 13 | 7 | 17 | 118 |
| 11 | No. 40 Polestar Motor Racing Inc. | 5 | 10 | 11 | 3 | 97 | ||
| 12 | No. 33 Extreme Speed Motorsports | 13 | 10 | 12 | 14 | 10 | 96 | |
| 13 | No. 74 Forty 7 Motorsports | 17 | 2 | 15 | 15 | 78 | ||
| 14 | No. 87 Five Miles Out Racing | 15 | 9 | 12 | 14 | 77 | ||
| 15 | No. 88 Five Miles Out Racing | 10 | 12 | 14 | 11 | 74 | ||
| 16 | No. 44 Ave Motorsports | 5 | 7 | 17 | 64 | |||
| 17 | No. 19 Baker Racing | 15 | 14 | 11 | 53 | |||
| 18 | No. 60 Wulver Racing | 10 | 6 | 46 | ||||
| 19 | No. 55 JDC Motorsports | 12 | 7 | 43 | ||||
| 20 | No. 23 Gilbert LMP3 Racing | 10 | 9 | 43 | ||||
| 21 | No. 26 K2R Motorsports | 4 | 28 | |||||
| Pos. | Team | DAY | SEB | BAR | MOS | VIR | ATL | Points |
| Pos. | Team | DAY | SEB | BAR | MOS | VIR | ATL | Points |
|---|---|---|---|---|---|---|---|---|
| 1 | No. 34 Eurosport Racing | 5 | 9 | 2 | 2 | 6 | 1 | 172 |
| 2 | No. 28 Wolf Motorsports | 3 | 4 | 4 | 7 | 4 | 2 | 170 |
| 3 | No. 22 Performance Tech Motorsports | 4 | 3 | 8 | 4 | 3 | 3 | 169 |
| 4 | No. 77 Performance Tech Motorsports | 11 | 5 | 7 | 1 | 1 | 5 | 166 |
| 5 | No. 86 ONE Motorsports | 6 | 1 | 5 | 6 | 2 | 10 | 164 |
| 6 | No. 36 ONE Motorsports | 9 | 2 | 6 | 3 | 5 | 4 | 163 |
| 7 | No. 11 Performance Tech Motorsports | 1 | 8 | 3 | 8 | 8 | 9 | 156 |
| 8 | No. 31 Eurosport Racing | 12 | 1 | 5 | 7 | 8 | 127 | |
| 9 | No. 18 Performance Tech Motorsports | 7 | 6 | 9 | 7 | 95 | ||
| 10 | No. 24 Eurosport Racing | 8 | 7 | 47 | ||||
| 11 | No. 21 ODU Motorsports | 2 | 32 | |||||
| 12 | No. 32 ONE Motorsports | 6 | 25 | |||||
| 13 | No. 46 ODU Motorsports | 10 | 21 | |||||
| Pos. | Team | DAY | SEB | BAR | MOS | VIR | ATL | Points |
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