| Valentina RUETE | URU | 3 Races |
| Luigi RUGGIERO | ITA | 7 Races |
| George RUGLESS | AUS | 2 Races |
| Laura RUIZ | FRA | 2 Races |
| Aleksejs RUMJANCEVS | LAT | 21 Races |
| Aleksejs RUNJANCEVS | LAT | 3 Races |
| Vlado RUSINOV | BUL | 3 Races |
| Matej RUSNÁK | SVK | 34 Races |
| Rostyslav RUSNAK | UKR | 5 Races |
| Vojtech RUSO | CZE | 22 Races |
| Benjamin Rolph Mathew RUSSELL | CAN | 3 Races |
| Benjamin Rolph RUSSELL | CAN | 3 Races |
| Emma RUSSELL | GBR | 2 Races |
| Michelle Louise RUSSELL | CAN | 20 Races |
| Michelle RUSSELL | CAN | 26 Races |