Sem vs Jochem
NED · Open Men · 1 result Sem Clerx
NED · Open Men · 3 results Jochem Donath
Station radar · best race with a field of 30 or more
Sem: Rotterdam 2026, Open Men · Jochem: Heerenveen 2026, Open Men
This chart shows where Sem and Jochem sat in the field on each part of the race: the edge is faster than everyone, the centre is the slowest.Sem: strongest on Roxzone (faster than 17% of the field), weakest on Row (faster than 0%).Jochem: strongest on Push (faster than 24% of the field), weakest on BBJ (faster than 1%).
See the numbers
| Part | Sem: faster than | Jochem: faster than |
|---|---|---|
| Ski | 1% | 4% |
| Push | 7% | 24% |
| Pull | 7% | 16% |
| BBJ | 17% | 1% |
| Row | 0% | 10% |
| Carry | 7% | 4% |
| Lunges | 4% | 1% |
| Wall balls | 2% | 3% |
| Roxzone | 17% | 4% |
| Runs | 1% | 1% |
Each athlete against their own field at their own best race (division, gender, that venue). Further out is faster.
Part by part
| Part | Sem | Jochem |
|---|---|---|
| SkiErg | 1% | 4% |
| Sled push | 7% | 24% |
| Sled pull | 7% | 16% |
| Burpee broad jump | 17% | 1% |
| Row | 0% | 10% |
| Farmers carry | 7% | 4% |
| Sandbag lunges | 4% | 1% |
| Wall balls | 2% | 3% |
| Roxzone (moving) | 17% | 4% |
| Runs (8 km) | 1% | 1% |
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.Sem · Rotterdam 2026 · Open Men: 1:14:20 running, 58:31 at the stations and 8:59 in the roxzone; the longest station was the wall balls (15:34).Below, Jochem · Heerenveen 2026 · Open Men: 1:02:23 running, 59:37 at the stations and 13:32 in the roxzone; the longest station was the wall balls (14:02).
See the numbers
| Part | Sem · Rotterdam 2026 · Open Men | Jochem · Heerenveen 2026 · Open Men |
|---|---|---|
| Run 1 | 5:30 | 5:45 |
| SkiErg | 5:43 | 5:07 |
| Run 2 | 5:27 | 7:15 |
| Sled push | 3:52 | 3:11 |
| Run 3 | 10:27 | 7:18 |
| Sled pull | 6:36 | 5:08 |
| Run 4 | 6:56 | 7:35 |
| Burpee broad jump | 7:38 | 12:20 |
| Run 5 | 11:06 | 8:37 |
| Row | 6:52 | 5:23 |
| Run 6 | 11:25 | 7:57 |
| Farmers carry | 3:10 | 3:07 |
| Run 7 | 11:12 | 8:04 |
| Sandbag lunges | 9:05 | 11:19 |
| Run 8 | 12:17 | 9:52 |
| Wall balls | 15:34 | 14:02 |
| Roxzone | 8:59 | 13:32 |
| Finish | 2:21:41 | 2:15:23 |
Head to head: 1 race they both ran
| Race | Sem | Jochem | Gap |
|---|---|---|---|
| Rotterdam 2026 Open Men · 15 Apr 2026 | 2:21:41 | 2:21:22 | 0:19 · Jochem faster |
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