Stephen Simpson is a racing driver from ZAF who last raced in IMSA Pilot Challenge for Michael Johnson Racing w/ Bryan Herta Autosport. Simpson has recorded 3 wins and 20 podiums from 96 starts.[1]
A Racer Rating of 2,806 ranks Simpson 1240th of 12,418 indexed drivers, on an Elo scale where the strongest reach the low five figures. It is built from every indexed race in the driver's file, decayed for time since their last race.
| Season | Series | Team | Races | Wins | Podiums | DNFs | Poles | Points | Pos | Gain/Loss | Rating |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2022 | IMSA Pilot Challenge | Michael Johnson Racing w/ Bryan Herta Autosport | 10 | 0 | 3 | 0 | 0 | 0 | P82 | +206 | 2,999 |
| IMSA Prototype Challenge | JDC MotorSports | 1 | 0 | 0 | 0 | 0 | 0 | P43 | −135 | ||
| 2021 | IMSA Pilot Challenge | Michael Johnson Racing | 10 | 0 | 2 | 0 | 0 | 0 | P64 | −13 | 2,928 |
| IMSA WeatherTech | GRT Grasser Racing Team | 1 | 0 | 0 | 0 | 0 | 0 | P199 | −97 | ||
| 2020 | IMSA Pilot Challenge | JDC-Miller MotorSports | 7 | 0 | 2 | 0 | 0 | 0 | P82 | −275 | 3,038 |
| IMSA WeatherTech | JDC-Miller MotorSports | 4 | 0 | 0 | 0 | 0 | 0 | P149 | +127 | ||
| IMSA Prototype Challenge | Performance Tech Motorsports | 1 | 0 | 0 | 0 | 0 | 0 | P47 | +28 | ||
| 2019 | IMSA Pilot Challenge | JDC-Miller MotorSports | 10 | 0 | 2 | 0 | 0 | 0 | P113 | −1,182 | 3,158 |
| IMSA WeatherTech | JDC-Miller MotorSports | 10 | 0 | 0 | 0 | 0 | 0 | P33 | +655 | ||
| 2018 | IMSA Pilot Challenge | JDC-Miller MotorSports | 8 | 1 | 6 | 0 | 0 | 0 | P56 | +79 | 3,684 |
| IMSA WeatherTech | JDC-Miller Motorsports | 7 | 1 | 2 | 0 | 0 | 0 | P13 | +888 | ||
| IMSA Prototype Challenge | Extreme Speed Motorsports | 1 | 1 | 1 | 0 | 0 | 0 | P43 | +69 | ||
| 2017 | IMSA Pilot Challenge | JDC-Miller Motorsports | 8 | 0 | 0 | 0 | 0 | 0 | P53 | −368 | 2,649 |
| IMSA WeatherTech | JDC-Miller Motorsports | 7 | 0 | 2 | 0 | 0 | 0 | P8 | +972 | ||
| 2016 | IMSA Pilot Challenge | JDC-Miller Motorsports | 6 | 0 | 0 | 0 | 0 | 0 | P54 | −447 | 2,046 |
| IMSA WeatherTech | JDC-Miller Motorsports | 5 | 0 | 0 | 0 | 0 | 0 | P28 | −8 |
| Rival | Rating | Raced | Ahead | Behind | Record |
|---|---|---|---|---|---|
| 🇺🇸 Roy Block | 2,210 | 58 | 32 | 26 | 55% |
| 🇬🇧 Gavin Ernstone | 2,428 | 38 | 16 | 22 | 42% |
| 🇺🇸 Mason Filippi | 3,185 | 37 | 21 | 16 | 57% |
| 🇺🇸 Harry Gottsacker | 2,622 | 37 | 17 | 20 | 46% |
| 🇺🇸 Michael Lewis | 2,062 | 37 | 12 | 25 | 32% |
| 🇨🇦 Mark Wilkins | 2,909 | 36 | 17 | 19 | 47% |
| 🇺🇸 Ryan Eversley | 2,508 | 36 | 21 | 15 | 58% |
| 🇺🇸 Jon Morley | 2,264 | 36 | 14 | 22 | 39% |
| 🇳🇱 Renger Van Der Zande | 5,558 | 33 | 11 | 22 | 33% |
| 🇺🇸 Dane Cameron | 5,042 | 28 | 6 | 22 | 21% |
Stephen Simpson is a South African-American professional racing driver whose career has spanned open-wheel and sports car competition across multiple continents. He came up through categories such as A1 Grand Prix, the Champ Car Atlantic Championship, and the Indy Pro Series before settling into a long-running career in North American sports car racing. That path eventually led him to the IMSA Pilot Challenge, where he has been paired with Michael Johnson Racing in partnership with Bryan Herta Autosport.[1]
Over the course of his career, Simpson has started 96 races, taking 3 wins and 20 podium finishes, though he has yet to claim a series championship. His current Racer Rating stands at 2,806, placing him 1240th among active drivers on a scale where the top competitors reach into the 10,000 to 11,500 range. In the 2026 season, Simpson has competed in a single round without recording a win or podium, leaving him 199th in the standings. His status is now listed as retired, closing out a career built on steady sports car competition in North America.[2]