Info
| Last name | Harders |
| First name | Jasper |
| Nationality |  Netherlands |
| Date | Rank | Race | |||||
|---|---|---|---|---|---|---|---|
| 23-08 | DNS |  3 Nations Cup - Majlen Sunshine Race No. 3 U19 (1) | |||||
 La Ronde Des Vallées (2.1) | |||||||
| 17-08 | 128 | Stage 2aSaint-Caradec - Hémonstoir (11.0km) | |||||
| 17-08 | 64 | Stage 2bHémonstoir - Hémonstoir (104.0km) | |||||
| 16-08 | 113 | Stage 1La Prénessaye - La Prénessaye (105.0km) | |||||
| 20-07 | 17 | Dutch National Championships - XCO U19 (CN) | |||||
| 22-06 | 42 | National Road Championships - Netherlands U19 (CN) | |||||
| 24-05 | 11 |  3 Nations Cup Festival Vlaanderen U19 (2) | |||||
| 11-05 | 20 | 3 Nations Cup Weekend Eupen U19 (2) | |||||
| 30-03 | 38 | 3 Nations Cup: Zwiep Scott Cup U19 (2) | |||||
| 12-01 | DNS | Dutch National Championships CX U19 (CN) | |||||