Athlete profile · Netherlands
Jelmer Koster
2 races on UNPACE.cc, with swim, bike and run times and position by gender.
| Race | AG | Pos. | Swim | Bike | Run | Finish |
|---|---|---|---|---|---|---|
| IM Hamburg 2026 | M18-24 | 406 | 1:12:24 | 5:17:56 | 3:37:24 | 10:23:18 |
| IM 70.3 Westfriesland 2025 | M18-24 | 350 | 0:43:51 | 2:32:44 | 1:31:13 | 5:04:34 |