Sem Zonderwijk
Finished top 10% of Open Men at HYROX Rotterdam 2025; 5 races, best 1:09:42.
Race insights
Sem Zonderwijk's best finish relative to the field was 2025 Rotterdam: 1:09:42, rank 116 of 1,256 in Open Men (top 10%). The division median that day was 1:24:00.
At 2025 Rotterdam, running made up 51% of Sem Zonderwijk's 1:09:42 (division median 50%): run time was 6 min 03 sec faster than the median run time, while the workout stations were 6 min 21 sec faster than the median workout time (Open Men).
From 2024 Amsterdam (1:23:06) to 2026 Amsterdam (1:12:09), Sem Zonderwijk got faster by 10 min 57 sec in Pro.
Race history
| Event | Division | Finish | Time | Run | Workout |
|---|---|---|---|---|---|
| 2026 Amsterdam | Pro Men | #144 of 354(top 41%) | 1:12:09 | 34:36 | 33:00 |
| 2025 Utrecht | Pro Men | #77 of 239(top 33%) | 1:16:31 | 36:33 | 36:13 |
| 2025 Rotterdam | Open Men | #116 of 1,256(top 10%) | 1:09:42 | 35:42 | 29:14 |
| 2025 Heerenveen | Pro Men | #45 of 150(top 30%) | 1:14:45 | 33:42 | 35:01 |
| 2024 Amsterdam | Pro Men | #131 of 217(top 61%) | 1:23:06 | 40:30 | 37:18 |
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 Sem Zonderwijk
At 2026 Amsterdam, Pro Men:
- #139 Vasilis Stekelenburg — 1:11:58
- #140 Nick Piessens — 1:11:59
- #141 Danny Kubasik — 1:12:00
- #142 Milan Mastenbroek — 1:12:02
- #143 Quinten Bijwaard — 1:12:04
- #145 Robin Bode — 1:12:11
- #146 Andrew Plews — 1:12:16
- #147 Markus Van Tilburg — 1:12:17
- #148 Jeroen Meerman — 1:12:23
- #149 Simon Van Middelaar — 1:12:26