Jan vs Rob
NED · Open Men · 6 results Jan Lenferink
NED · Open Men · 11 results Rob van Efferen
Station radar · best race with a field of 30 or more
Jan: Amsterdam 2024, Open Men · Rob: Rotterdam 2026, Open Men
This chart shows where Jan and Rob sat in the field on each part of the race: the edge is faster than everyone, the centre is the slowest.Jan: strongest on Push (faster than 97% of the field), weakest on Lunges (faster than 27%).Rob: strongest on Carry (faster than 85% of the field), weakest on Ski (faster than 29%).
See the numbers
| Part | Jan: faster than | Rob: faster than |
|---|---|---|
| Ski | 47% | 29% |
| Push | 97% | 64% |
| Pull | 66% | 80% |
| BBJ | 67% | 77% |
| Row | 65% | 64% |
| Carry | 59% | 85% |
| Lunges | 27% | 48% |
| Wall balls | 42% | 78% |
| Roxzone | 85% | 77% |
| Runs | 74% | 65% |
Each athlete against their own field at their own best race (division, gender, that venue). Further out is faster.
Part by part
| Part | Jan | Rob |
|---|---|---|
| SkiErg | 47% | 29% |
| Sled push | 97% | 64% |
| Sled pull | 66% | 80% |
| Burpee broad jump | 67% | 77% |
| Row | 65% | 64% |
| Farmers carry | 59% | 85% |
| Sandbag lunges | 27% | 48% |
| Wall balls | 42% | 78% |
| Roxzone (moving) | 85% | 77% |
| Runs (8 km) | 74% | 65% |
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.Jan · Amsterdam 2024 · Open Men: 40:22 running, 34:02 at the stations and 4:56 in the roxzone; the longest station was the wall balls (6:34) and the shortest the sled push (1:40).Below, Rob · Rotterdam 2026 · Open Men: 39:10 running, 33:23 at the stations and 5:46 in the roxzone; the longest station was the wall balls (5:44).
See the numbers
| Part | Jan · Amsterdam 2024 · Open Men | Rob · Rotterdam 2026 · Open Men |
|---|---|---|
| Run 1 | 3:26 | 4:43 |
| SkiErg | 4:27 | 4:56 |
| Run 2 | 4:56 | 4:32 |
| Sled push | 1:40 | 2:34 |
| Run 3 | 5:04 | 4:49 |
| Sled pull | 3:59 | 3:48 |
| Run 4 | 5:07 | 4:50 |
| Burpee broad jump | 4:57 | 4:37 |
| Run 5 | 5:21 | 4:50 |
| Row | 4:40 | 4:43 |
| Run 6 | 5:14 | 4:59 |
| Farmers carry | 1:54 | 1:46 |
| Run 7 | 5:14 | 4:55 |
| Sandbag lunges | 5:51 | 5:15 |
| Run 8 | 6:00 | 5:32 |
| Wall balls | 6:34 | 5:44 |
| Roxzone | 4:56 | 5:46 |
| Finish | 1:19:12 | 1:18:12 |
Head to head: 3 races they both ran
| Race | Jan | Rob | Gap |
|---|---|---|---|
| Stockholm 2026 Open Men · 18 Jun 2026 | 1:26:26 | 1:26:16 | 0:10 · Rob faster |
| Chicago 2025 Open Men · 13 Jun 2025 | 1:23:51 | 1:26:21 | 2:30 · Jan faster |
| Rotterdam 2025 Open Men · 27 Feb 2025 | 1:24:03 | 1:27:52 | 3:49 · Jan faster |
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