Aron vs Stefan
NED · Open Men · 11 results Aron Schalk
NED · Open Men · 9 results Stefan Grootkarzijn
Station radar · best race with a field of 30 or more
Aron: Maastricht 2025, Open Men · Stefan: Amsterdam 2026, Open Men
This chart shows where Aron and Stefan sat in the field on each part of the race: the edge is faster than everyone, the centre is the slowest.Aron: strongest on Row (faster than 98% of the field), weakest on Push (faster than 56%).Stefan: strongest on BBJ (faster than 99% of the field), weakest on Push (faster than 95%).
See the numbers
| Part | Aron: faster than | Stefan: faster than |
|---|---|---|
| Ski | 97% | 98% |
| Push | 56% | 95% |
| Pull | 96% | 99% |
| BBJ | 97% | 99% |
| Row | 98% | 99% |
| Carry | 94% | 97% |
| Lunges | 95% | 99% |
| Wall balls | 93% | 98% |
| Roxzone | 95% | 99% |
| Runs | 94% | 98% |
Each athlete against their own field at their own best race (division, gender, that venue). Further out is faster.
Part by part
| Part | Aron | Stefan |
|---|---|---|
| SkiErg | 97% | 98% |
| Sled push | 56% | 95% |
| Sled pull | 96% | 99% |
| Burpee broad jump | 97% | 99% |
| Row | 98% | 99% |
| Farmers carry | 94% | 97% |
| Sandbag lunges | 95% | 99% |
| Wall balls | 93% | 98% |
| Roxzone (moving) | 95% | 99% |
| Runs (8 km) | 94% | 98% |
The share of their own field each athlete beat on that segment, at the race named on the left. Higher is better; green marks the better of the two. A dash means no split was published.
Those races as one bar each
This chart draws the race in order, left to right: each 1 km run (blue), each station (yellow) and the roxzone (grey), sized by its time.Aron · Maastricht 2025 · Open Men: 33:25 running, 28:31 at the stations and 5:24 in the roxzone; the longest station was the wall balls (5:10).Below, Stefan · Amsterdam 2026 · Open Men: 30:49 running, 24:17 at the stations and 4:09 in the roxzone; the longest station was the row (4:05).
See the numbers
| Part | Aron · Maastricht 2025 · Open Men | Stefan · Amsterdam 2026 · Open Men |
|---|---|---|
| Run 1 | 4:02 | 2:55 |
| SkiErg | 4:00 | 3:57 |
| Run 2 | 4:01 | 3:38 |
| Sled push | 2:37 | 2:13 |
| Run 3 | 3:50 | 3:49 |
| Sled pull | 3:42 | 3:09 |
| Run 4 | 4:08 | 3:55 |
| Burpee broad jump | 3:39 | 2:29 |
| Run 5 | 4:16 | 4:08 |
| Row | 4:15 | 4:05 |
| Run 6 | 4:14 | 3:58 |
| Farmers carry | 1:35 | 1:26 |
| Run 7 | 4:02 | 3:55 |
| Sandbag lunges | 3:33 | 2:54 |
| Run 8 | 4:52 | 4:30 |
| Wall balls | 5:10 | 4:04 |
| Roxzone | 5:24 | 4:09 |
| Finish | 1:07:12 | 59:06 |
Head to head: 1 race they both ran
| Race | Aron | Stefan | Gap |
|---|---|---|---|
| Maastricht 2025 Open Men · 19 Sep 2025 | 1:07:12 | 1:06:50 | 0:22 · Stefan faster |
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