Arend Jan Koster
Finished top 39% of Open Men at HYROX Amsterdam 2026; 2 races, best 1:16:59.
Race insights
Arend Jan Koster's best finish relative to the field was 2026 Amsterdam: 1:16:59, rank 474 of 1,241 in Open Men (top 39%). The division median that day was 1:20:26.
At 2026 Amsterdam, running made up 47% of Arend Jan Koster's 1:16:59 (division median 48%): run time was 2 min 47 sec faster than the median run time, while the workout stations were 26 sec slower than the median workout time (Open Men).
From 2025 Gent (1:22:01) to 2026 Amsterdam (1:16:59), Arend Jan Koster got faster by 5 min 02 sec in Open.
Race history
| Event | Division | Finish | Time | Run | Workout |
|---|---|---|---|---|---|
| 2026 Amsterdam | Open Men | #474 of 1,241(top 39%) | 1:16:59 | 36:08 | 35:25 |
| 2025 Gent | Open Men | #422 of 830(top 51%) | 1:22:01 | 37:31 | 37:48 |
Times come from official HYROX results. Finish shows the rank within the division at that event, with the top percentage of the field in brackets.
Finished alongside Arend Jan Koster
At 2026 Amsterdam, Open Men:
- #469 Doeke Kuilboer — 1:16:42
- #470 Bas Van Den Brink — 1:16:42
- #471 Sandrino Vonsee — 1:16:44
- #472 Sjoerd Rietberg — 1:16:45
- #473 Joost Fluitsma — 1:16:49
- #475 Tim Van Mechelen — 1:16:59
- #476 Bas Steijvers — 1:17:01
- #477 Mike Van Bilsen — 1:17:02
- #478 Erik Lantinga — 1:17:02
- #479 Gareth White — 1:17:04