Jerfaas vs David
NED · Open Men · 3 results Jerfaas Haalboom
IRL · Pro Men · 13 results David Jamison
Station radar · best race with a field of 30 or more
Jerfaas: Rotterdam 2025, Open Men · David: Berlin 2025, Open Men
This chart shows where Jerfaas and David sat in the field on each part of the race: the edge is faster than everyone, the centre is the slowest.Jerfaas: strongest on Pull (faster than 96% of the field), weakest on Lunges (faster than 63%).David: strongest on Carry (faster than 96% of the field), weakest on Push (faster than 56%).
See the numbers
| Part | Jerfaas: faster than | David: faster than |
|---|---|---|
| Ski | 91% | 57% |
| Push | 77% | 56% |
| Pull | 96% | 85% |
| BBJ | 76% | 89% |
| Row | 82% | 60% |
| Carry | 70% | 96% |
| Lunges | 63% | 94% |
| Wall balls | 94% | 92% |
| Roxzone | 92% | 94% |
| Runs | 77% | 85% |
Each athlete against their own field at their own best race (division, gender, that venue). Further out is faster.
Part by part
| Part | Jerfaas | David |
|---|---|---|
| SkiErg | 91% | 57% |
| Sled push | 77% | 56% |
| Sled pull | 96% | 85% |
| Burpee broad jump | 76% | 89% |
| Row | 82% | 60% |
| Farmers carry | 70% | 96% |
| Sandbag lunges | 63% | 94% |
| Wall balls | 94% | 92% |
| Roxzone (moving) | 92% | 94% |
| Runs (8 km) | 77% | 85% |
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.Jerfaas · Rotterdam 2025 · Open Men: 38:43 running, 30:11 at the stations and 4:55 in the roxzone; the longest station was the burpee broad jumps (4:48).Below, David · Berlin 2025 · Open Men: 31:01 running, 28:16 at the stations and 6:29 in the roxzone; the longest station was the row (4:35).
See the numbers
| Part | Jerfaas · Rotterdam 2025 · Open Men | David · Berlin 2025 · Open Men |
|---|---|---|
| Run 1 | 4:45 | 3:17 |
| SkiErg | 4:05 | 4:20 |
| Run 2 | 4:30 | 3:49 |
| Sled push | 2:27 | 2:45 |
| Run 3 | 4:39 | 3:47 |
| Sled pull | 3:33 | 3:29 |
| Run 4 | 4:49 | 3:48 |
| Burpee broad jump | 4:48 | 3:46 |
| Run 5 | 4:59 | 3:48 |
| Row | 4:28 | 4:35 |
| Run 6 | 4:46 | 3:44 |
| Farmers carry | 1:55 | 1:27 |
| Run 7 | 5:00 | 3:53 |
| Sandbag lunges | 4:44 | 3:38 |
| Run 8 | 5:15 | 4:56 |
| Wall balls | 4:11 | 4:16 |
| Roxzone | 4:55 | 6:29 |
| Finish | 1:13:42 | 1:05:40 |
Head to head: 1 race they both ran
| Race | Jerfaas | David | Gap |
|---|---|---|---|
| Amsterdam 2026 Pro Men · 21 Jan 2026 | 1:14:13 | 1:14:17 | 0:04 · Jerfaas faster |
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