Info
| Last name | Cosan |
| First name | Guillaume |
| Nationality |  France |
| Date | Rank | Race | |
|---|---|---|---|
| 17-08 | 28 | French Cup XCO # 4 - Les Menuires U19 (1) | |
| Ronde des Vallées (2.1) | |||
| 12-08 | 83 | Stage 2Saint-Caradec - Hémonstoir (11.0km) | |
| 12-08 | DNF | Stage 3Hémonstoir - Hémonstoir | |
| 11-08 | 132 | Stage 1Allineuc - Allineuc | |
| 19-07 | 20 | French National Championships - XCO U19 (CN) | |
| 05-05 | 23 | French Cup XCO # 3 - Ussel U19 (1) | |
| 13-04 | 49 | French Cup XCO # 2 - Lourdes U19 (1) | |