Info
| Last name | Koster |
| First name | Claude |
| Nationality |  Switzerland |
| Date of birth | 26-04-1992 |
| Age | 33 |
About Claude Koster
Claude Koster is a Swiss cycling professional, 33 years old.
| Date | Rank | Race |
|---|---|---|
| 04-09 | 22 |  World Championship Mountainbike U19 (CM) |
| 18-07 | 2 | Kampioenschap van Zwitserland Mountainbike U19 (CN) |