| Highlighted : Current records |
| Date | Rider | Place | Manufacturer, Model | Class | Mph | Km/h |
|---|---|---|---|---|---|---|
| 2024-08-27 | John MCALEER | Bonneville Salt Flats - USA | Custom Custom | I.A1.A I.2 250cc | Mile: 142.863 mph* | Mile: 229.916 km/h* |
| 2008-09-05 | Belen WAGNER | Bonneville Salt Flats - USA | Honda RS 250 | I.A1.A I.2 250cc | 1 km: 143.671 mph Mile: 141.696 mph | 1 km: 231.217 km/h Mile: 228.038 km/h |
| 2007-09-05 | Belen WAGNER | Bonneville Salt Flats - USA | Honda RS 250 | I.A1.A I.2 250cc | 1 km: 141.677 mph Mile: 141.692 mph | 1 km: 228.007 km/h Mile: 228.032 km/h |
| Highlighted : Current records |