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| Name | VAN DER LAAN |
| First Name | Siem |
| Gender | M. |
| Category | Master 2 (1978) |
| Nationality |  |
| Club / Team | |
| Competitor number | 583 |
| Race | 23 km - 23 km |
| Hour of passage | Sat 04/03/2023 17:28:00 |
| Time of race | 03:23:19 - 6,787 km/h |
| Ranking | 251 |
