| Name | VAN DER LAAN |
| First Name | Siem |
| Gender | M. |
| Category | Master 2 (1978) |
| Nationality | ![]() |
| Club / Team | |
| Competitor number | 197 |
| Race | 23 km - 23 km |
| Hour of passage | Sun 06/07/2025 13:17:25 |
| Time of race | 03:32:25 - 6,497 km/h |
| Ranking | 356 |