Michael Koh is a racing driver from Singapore who competes in GB4 for Arden Motorsport. Koh has recorded 0 wins and 0 podiums from 3 starts.[1]
A Racer Rating of 2,370 ranks Koh 14021th of 38,983 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.
| 2026-04-25 | Silverstone GP | P27 | −124 |
| 2026-04-25 | Silverstone GP | P12 | +42 |
| 2026-04-25 | Silverstone GP | P13 | +27 |
| Rating won | Race | Series | Finish |
|---|---|---|---|
| +43 | Silverstone GP 2026 | GB4 | P12 |
| +27 | Silverstone GP 2026 | GB4 | P13 |
| Season | Series | Team | Races | Wins | Podiums | DNFs | Poles | Points | Pos | Gain/Loss | Rating |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | ▸GB4 | Arden Motorsport | 3 | 0 | 0 | 0 | 0 | 0 | — | +1,020 | 2,370 |
| Rival | Rating | Raced | Ahead | Behind | Record |
|---|---|---|---|---|---|
| 🇬🇧 Tom Ingram Hill | 3,155 | 3 | 1 | 2 | 33% |
| 🇮🇪 Alex O'Grady | 3,054 | 3 | 0 | 3 | 0% |
| 🇬🇧 Dayton Coulthard | 2,969 | 3 | 1 | 2 | 33% |
| 🇮🇪 Conor Grant | 2,800 | 3 | 0 | 3 | 0% |
| 🇸🇪 Enzo Hallman | 2,771 | 3 | 0 | 3 | 0% |
| 🇫🇷 Solenn AmroucheFIA Silver | 2,738 | 3 | 2 | 1 | 67% |
| 🇮🇪 Jason Smyth | 2,640 | 3 | 0 | 3 | 0% |
| 🇺🇸 Connor Willis | 2,604 | 3 | 0 | 3 | 0% |
| 🇬🇧 Fred Green | 2,592 | 3 | 1 | 2 | 33% |
| 🇬🇧 Luke Hilton | 2,574 | 3 | 1 | 2 | 33% |
| # | Driver | Series | Rating |
|---|---|---|---|
| 14,011 | 🇩🇪 Hermann Vortkamp | Nürburgring Langstrecken-Serie | 2,371 |
| 14,012 | 🇮🇹 Pierluigi Alessandri | Ferrari Challenge | 2,371 |
| 14,013 | 🇭🇺 Adam Benko | Nürburgring 24 Hours | 2,370 |
| 14,014 | 🏳️ Casey Ross | SKUSA SuperNationals | 2,370 |
| 14,015 | 🏳️ Claudio Truffer | 24H Series | 2,370 |
| 14,016 | 🇦🇹 Friedrich Müller | Ferrari Challenge | 2,370 |
| 14,017 | 🇺🇸 Hanna Zellers | Whelen Mazda MX-5 Cup presented by Michelin | 2,370 |
| 14,018 | 🇺🇸 Jonathan Davis | SCCA Majors | 2,370 |
| 14,019 | 🇺🇸 Jordyn Martin | GB4 | 2,370 |
| 14,020 | 🏳️ Matthew Mockabee | NASA | 2,370 |
| 14,021 | 🇸🇬 Michael Koh | GB4 | 2,370 |
| 14,022 | 🏳️ Patrik Meier | 24H Series | 2,370 |
| 14,023 | 🏳️ TJ Acker | SCCA Majors | 2,370 |
| 14,024 | 🏳️ Blake Nash | SKUSA SuperNationals | 2,369 |
| 14,025 | 🇺🇸 Ellie Gossett | SCCA Majors | 2,369 |
| 14,026 | 🏳️ Jason Marks | World Racing League | 2,369 |
| 14,027 | 🏳️ Jesse Runkle | SKUSA SuperNationals | 2,369 |
| 14,028 | 🇺🇸 Kevin Bury | SCCA Majors | 2,369 |
| 14,029 | 🇬🇧 Kieran Gallagher | BTCC | 2,369 |
| 14,030 | 🏳️ Martin Gaus | Nürburgring Langstrecken-Serie | 2,369 |
| 14,031 | 🏳️ Tobias Neuser | Nürburgring Langstrecken-Serie | 2,369 |
Michael Koh is a competitive amateur racing in GB4, a national single-class championship for solo drivers. He drives for Arden Motorsport and has completed three rounds of his first season in 2026.[1]
Across those three rounds, Koh has finished behind the entry-level professionals Tom Ingram Hill and Alex O'Grady, who are his regular competitors in the field. He has beaten semi-professional drivers Dayton Coulthard once and Solenn Amrouche, an FIA Silver-graded driver, twice, placing him ahead of some more experienced opposition despite his early stage in racing.[2]