Info
| Last name | Koster |
| First name | David |
| Nationality |  Netherlands |
| Date of birth | 07-10-2006 |
| Age | 19 |
| Place of birth | Rotterdam |
| Date | Rank | Race | |||||
|---|---|---|---|---|---|---|---|
| BESTRONICS Acht van Bladel (2.1) | |||||||
| 30-06 | 49 | Stage 3aBladel - Bladel (92.0km) | |||||
| 30-06 | 55 | Stage 3bBladel - Bladel (8.0km) | |||||
| 29-06 | 103 | Stage 2Lierop - Bladel (108.0km) | |||||
| 28-06 | 60 | Stage 1Bladel - Bladel (101.0km) | |||||
| 15-06 | DNF | National Road Championships - Netherlands U19 (CN) | |||||
| 14-01 | 29 | Dutch National Championships CX U19 (CN) | |||||