Michael vs Stefan
IRL · Open Men · 2 results Michael McColgan
NED · Open Men · 9 results Stefan Grootkarzijn
Station radar · best race with a field of 30 or more
Michael: Heerenveen 2025, Open Men · Stefan: Amsterdam 2026, Open Men
This chart shows where Michael and Stefan sat in the field on each part of the race: the edge is faster than everyone, the centre is the slowest.Michael: strongest on Roxzone (faster than 98% of the field), weakest on Ski (faster than 54%).Stefan: strongest on BBJ (faster than 99% of the field), weakest on Push (faster than 95%).
See the numbers
| Part | Michael: faster than | Stefan: faster than |
|---|---|---|
| Ski | 54% | 98% |
| Push | 75% | 95% |
| Pull | 66% | 99% |
| BBJ | 80% | 99% |
| Row | 86% | 99% |
| Carry | 60% | 97% |
| Lunges | 73% | 99% |
| Wall balls | 54% | 98% |
| Roxzone | 98% | 99% |
| Runs | 97% | 98% |
Each athlete against their own field at their own best race (division, gender, that venue). Further out is faster.
Part by part
| Part | Michael | Stefan |
|---|---|---|
| SkiErg | 54% | 98% |
| Sled push | 75% | 95% |
| Sled pull | 66% | 99% |
| Burpee broad jump | 80% | 99% |
| Row | 86% | 99% |
| Farmers carry | 60% | 97% |
| Sandbag lunges | 73% | 99% |
| Wall balls | 54% | 98% |
| Roxzone (moving) | 98% | 99% |
| Runs (8 km) | 97% | 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.Michael · Heerenveen 2025 · Open Men: 31:05 running, 33:06 at the stations and 5:31 in the roxzone; the longest station was the wall balls (6:13).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 | Michael · Heerenveen 2025 · Open Men | Stefan · Amsterdam 2026 · Open Men |
|---|---|---|
| Run 1 | 3:50 | 2:55 |
| SkiErg | 4:24 | 3:57 |
| Run 2 | 3:47 | 3:38 |
| Sled push | 2:29 | 2:13 |
| Run 3 | 3:46 | 3:49 |
| Sled pull | 4:26 | 3:09 |
| Run 4 | 3:51 | 3:55 |
| Burpee broad jump | 4:37 | 2:29 |
| Run 5 | 3:54 | 4:08 |
| Row | 4:29 | 4:05 |
| Run 6 | 3:49 | 3:58 |
| Farmers carry | 2:00 | 1:26 |
| Run 7 | 3:49 | 3:55 |
| Sandbag lunges | 4:28 | 2:54 |
| Run 8 | 4:19 | 4:30 |
| Wall balls | 6:13 | 4:04 |
| Roxzone | 5:31 | 4:09 |
| Finish | 1:09:33 | 59:06 |
Head to head: 1 race they both ran
| Race | Michael | Stefan | Gap |
|---|---|---|---|
| Heerenveen 2025 Open Men · 10 May 2025 | 1:09:33 | 1:09:28 | 0:05 · Stefan faster |
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