Info
| Last name | Pieterse |
| First name | Isa |
| Nationality |  Netherlands |
| Date of birth | 27-01-2000 |
| Age | 25 |
| Date | Rank | Race |
|---|---|---|
| 11-12 | 39 |  Robotland Cyclocross Essen (C2) |
| 03-10 | 29 | Telenet Superprestige Gieten (C1) |
| 25-09 | 30 | Ethias Cross - Bredene (C2) |
| 25-07 | 13 | 3 Nations Cup - Op Fietse MTB (2) |