Info
| Last name | Wittenwiler |
| First name | Joe |
| Nationality |  Switzerland |
| Date of birth | 29-06-2006 |
| Age | 19 |
| Date | Rank | Race |
|---|---|---|
| 27-09 | LAP | Swiss Bike Cup Gränichen U23 (HC) |
| 17-08 | 58 | Swiss Bike Cup Basel U23 (HC) |
| 06-07 | LAP | Swiss National Championships - XCO U23 (CN) |
| 10-05 | 23 | Swiss Bike Cup Schaan U23 (1) |
| 23-03 | LAP | Swiss Bike Cup U23 (CS) |