Karl Wittmer is a racing driver from Canada who competes in IMSA Pilot Challenge for MMG. Wittmer has recorded 6 wins and 17 podiums from 51 starts.[1]
A Racer Rating of 3,872 ranks Wittmer 4156th of 40,349 indexed drivers, on an Elo scale where the strongest reach the high 8,000s. It is built from every indexed race in the driver's file.
| 2026-10-02 | Road Atlanta TCR | P12 | −149 |
| 2026-09-19 | Indianapolis Motor Speedway RC TCR | P3 | +48 |
| 2026-08-22 | Virginia International Raceway TCR | P4 | +17 |
| 2026-08-01 | Road America TCR | P4 | +33 |
| 2026-07-11 | Canadian Tire Motorsport Park TCR | P2 | +89 |
| Rating won | Race | Series | Finish |
|---|---|---|---|
| +191 | Sebring International Raceway 2022 | IMSA Pilot Challenge | P1 |
| +166 | Road Atlanta 2022 | IMSA Pilot Challenge | P1 |
| +136 | Virginia International Raceway 2024 | IMSA Pilot Challenge | P1 |
| +123 | Canadian Tire Motorsport Park 2024 | IMSA Pilot Challenge | P2 |
| +122 | Virginia International Raceway 2022 | IMSA Pilot Challenge | P3 |
| Season | Series | Team | Races | Wins | Podiums | DNFs | Poles | Points | Pos | Gain/Loss | Rating |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | ▸IMSA Pilot Challenge | MMG | 10 | 1 | 4 | 0 | 0 | 0 | P3 | −103 | 3,872 |
| 2025 | ▸IMSA Pilot Challenge | MMG | 10 | 2 | 6 | 0 | 0 | 0 | P3 | +56 | 3,975 |
| 2024 | ▸IMSA Pilot Challenge | Montreal Motorsport Group | 10 | 1 | 4 | 0 | 0 | 0 | P5 | +480 | 3,918 |
| 2023 | ▸IMSA Pilot Challenge | Victor Gonzalez Racing Team | 6 | 0 | 0 | 0 | 0 | 0 | P19 | −129 | 3,439 |
| 2022 | ▸IMSA Pilot Challenge | Victor Gonzalez Racing Team - VGRT | 9 | 2 | 3 | 0 | 0 | 0 | P4 | +636 | 3,568 |
| 2021 | ▸IMSA Pilot Challenge | VGMC Racing, LLC | 6 | 0 | 0 | 0 | 0 | 0 | P24 | +1,582 | 2,932 |
| Rival | Rating | Raced | Ahead | Behind | Record |
|---|---|---|---|---|---|
| 🇺🇸 Tim LewisFIA Bronze | 3,521 | 51 | 28 | 23 | 55% |
| 🇺🇸 Mason FilippiFIA Silver | 4,165 | 50 | 18 | 32 | 36% |
| 🇺🇸 Harry GottsackerFIA Silver | 3,581 | 50 | 18 | 32 | 36% |
| 🇨🇦 Mark WilkinsFIA Gold | 3,527 | 50 | 18 | 32 | 36% |
| 🇨🇦 Denis DupontFIA Silver | 4,052 | 49 | 25 | 24 | 51% |
| 🇺🇸 Tyler GonzalezFIA Silver | 4,012 | 45 | 25 | 20 | 56% |
| 🇺🇸 Preston Brown | 3,944 | 41 | 22 | 19 | 54% |
| 🇺🇸 William TallyFIA Bronze | 2,896 | 36 | 23 | 13 | 64% |
| 🇺🇸 Taylor HaglerFIA Bronze | 3,635 | 32 | 13 | 19 | 41% |
| 🇺🇸 Bryson MorrisFIA Silver | 4,058 | 29 | 14 | 15 | 48% |
| 🇺🇸 Tyler MaxsonFIA Silver, 1× champion | 4,706 | 21 | 7 | 14 | 33% |
| 🇺🇸 Trenton EstepFIA Silver | 4,356 | 2 | 1 | 1 | 50% |
| 🇨🇦 Robert WickensFIA Silver, 2× champion | 4,331 | 25 | 8 | 17 | 32% |
| # | Driver | Series | Rating |
|---|---|---|---|
| 4,146 | 🇺🇸 Don Branson | Formula 1 | 3,873 |
| 4,147 | 🇺🇸 Jonathan Klein | SVRA | 3,873 |
| 4,148 | 🇿🇦 Kwanda Mokoena | GT Winter Series | 3,873 |
| 4,149 | 🇺🇸 Max Hanratty | IMSA WeatherTech | 3,873 |
| 4,150 | 🇺🇸 Russ Dugger | ARCA Menards Series | 3,873 |
| 4,151 | 🇬🇧 Alex Connor | GB3 | 3,872 |
| 4,152 | 🇬🇧 Brian Shawe Taylor | Formula 1 | 3,872 |
| 4,153 | 🇺🇸 Darryl Lacks | NASCAR Xfinity | 3,872 |
| 4,154 | 🏳️ Ernst Klodwig | Formula 1 | 3,872 |
| 4,155 | 🇫🇷 Johan Charpilienne | Formula Renault Eurocup | 3,872 |
| 4,156 | 🇨🇦 Karl Wittmer | IMSA Pilot Challenge | 3,872 |
| 4,157 | 🇮🇪 Michael Fassbender | European Le Mans Series | 3,872 |
| 4,158 | 🇺🇸 Mike Olsen | NASCAR Xfinity | 3,872 |
| 4,159 | 🇫🇮 Teemu Nyman | Formula Renault Eurocup | 3,872 |
| 4,160 | 🇺🇸 Bob Freeze | NASCAR Xfinity | 3,871 |
| 4,161 | 🇺🇸 Brett Hearn | NASCAR Xfinity | 3,871 |
| 4,162 | 🏳️ Cédric OLTRAMARE | Le Mans Cup | 3,871 |
| 4,163 | 🇫🇷 Fabien Giroix | IMSA WeatherTech | 3,871 |
| 4,164 | 🇦🇺 Garry Jacobson | Supercars Championship | 3,871 |
| 4,165 | 🇺🇸 Jake Griffin | NASCAR Truck | 3,871 |
| 4,166 | 🇵🇱 Max-Maciej Stanco | FIA GT Championship | 3,871 |
Karl Wittmer is a professional driver racing in the IMSA Pilot Challenge, a multiclass endurance series run in the United States where amateur and professional drivers share cars across multiple classes on the same track. He races TCR touring cars for MMG and holds an FIA Silver grade, positioning him among drivers developing toward the full-professional ranks in sportscar racing. His record spans six seasons from 2021 to the present, with 51 starts, six wins and seventeen podiums across that span.[1]
Wittmer has remained active throughout his time in the series, running a full campaign most years and finishing consistently in the field. His most recent season, 2026, is still in progress; he currently sits third in the championship standings with four podiums from ten rounds raced so far, including a win at Mid-Ohio. He has beaten professional opposition including Tyler Maxson, a Porsche Carrera Cup NA Pro champion with experience across three series, on seven occasions, and has proven closely matched against Mason Filippi, the 2026 IMSA Pilot Challenge TCR champion who competes regularly in the series alongside appearances in national-level single-seaters and sportscar racing at the top level.[2]