Isa Klerks
Finished top 77% of Open Women at HYROX Belgium 2025; 3 races, best 1:42:05.
Race insights
Isa Klerks's best finish relative to the field was 2025 Belgium: 1:42:05, rank 261 of 341 in Open Women (top 77%). The division median that day was 1:31:12.
At 2026 Amsterdam, running made up 49% of Isa Klerks's 1:51:56 (division median 50%): run time was 10 min 38 sec slower than the median run time, while the workout stations were 10 min 38 sec slower than the median workout time (Open Women).
From 2025 Belgium (1:42:05) to 2026 Amsterdam (1:51:56), Isa Klerks finished slower by 9 min 51 sec in Open; the fastest race in that run was 2025 Belgium at 1:42:05.
Race history
| Event | Division | Finish | Time | Run | Workout |
|---|---|---|---|---|---|
| 2026 Amsterdam | Open Women | #532 of 586(top 91%) | 1:51:56 | 54:57 | 48:02 |
| 2025 Berlin | Pro Women | #244 of 247(top 99%) | 1:56:08 | 48:43 | 55:55 |
| 2025 Belgium | Open Women | #261 of 341(top 77%) | 1:42:05 | — | 43:50 |
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 Isa Klerks
At 2026 Amsterdam, Open Women:
- #527 Beau Rijpers — 1:51:16
- #528 Martine Van Der Ham — 1:51:26
- #529 Zhen Jun Chang — 1:51:27
- #530 Sanne Swagerman — 1:51:41
- #531 Kimberly Siebelink — 1:51:50
- #533 Cassandra Beurskens-Kraus — 1:51:57
- #534 Daniela Mijatovic — 1:52:08
- #535 Stephanie Dornan — 1:52:14
- #536 Chefaine Piris — 1:52:35
- #537 Marit Bakker — 1:52:36