All races
All races where Châteaugiron was either departure or arrival city, or a location on the route.
| # | Date | Race |
|---|---|---|
| 1 | 2023-05-01 | Le Tour de Bretagne Cycliste | Stage 7 |
| 2 | 2021-06-29 | Tour de France | Stage 4 |
| 3 | 1986-07-11 | Tour de France féminin | Stage 2 |