Derek vs Zam
GBR · Open Men · 6 results Derek Mason
GBR · Open Men · 13 results Zam Stuart
Station radar · best race with a field of 30 or more
Derek: London ExCeL 2025, Open Men · Zam: Geneva 2026, Open Men
This chart shows where Derek and Zam sat in the field on each part of the race: the edge is faster than everyone, the centre is the slowest.Derek: strongest on Wall balls (faster than 33% of the field), weakest on Carry (faster than 1%).Zam: strongest on Pull (faster than 60% of the field), weakest on BBJ (faster than 14%).
See the numbers
| Part | Derek: faster than | Zam: faster than |
|---|---|---|
| Ski | 10% | 27% |
| Push | 30% | 55% |
| Pull | 23% | 60% |
| BBJ | 18% | 14% |
| Row | 3% | 26% |
| Carry | 1% | 16% |
| Lunges | 15% | 54% |
| Wall balls | 33% | 46% |
| Roxzone | 7% | 43% |
| Runs | 8% | 16% |
Each athlete against their own field at their own best race (division, gender, that venue). Further out is faster.
Part by part
| Part | Derek | Zam |
|---|---|---|
| SkiErg | 10% | 27% |
| Sled push | 30% | 55% |
| Sled pull | 23% | 60% |
| Burpee broad jump | 18% | 14% |
| Row | 3% | 26% |
| Farmers carry | 1% | 16% |
| Sandbag lunges | 15% | 54% |
| Wall balls | 33% | 46% |
| Roxzone (moving) | 7% | 43% |
| Runs (8 km) | 8% | 16% |
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.Derek · London ExCeL 2025 · Open Men: 43:14 running, 47:30 at the stations and 16:07 in the roxzone; the longest station was the wall balls (8:37) and the shortest the sled push (3:06).Below, Zam · Geneva 2026 · Open Men: 47:31 running, 41:17 at the stations and 7:10 in the roxzone; the longest station was the burpee broad jumps (7:54).
See the numbers
| Part | Derek · London ExCeL 2025 · Open Men | Zam · Geneva 2026 · Open Men |
|---|---|---|
| Run 1 | 4:22 | 6:52 |
| SkiErg | 5:20 | 4:58 |
| Run 2 | 4:58 | 5:41 |
| Sled push | 3:06 | 3:37 |
| Run 3 | 5:07 | 5:36 |
| Sled pull | 5:41 | 4:26 |
| Run 4 | 5:06 | 5:43 |
| Burpee broad jump | 7:27 | 7:54 |
| Run 5 | 5:09 | 5:46 |
| Row | 5:56 | 5:19 |
| Run 6 | 5:29 | 5:47 |
| Farmers carry | 4:22 | 2:47 |
| Run 7 | 5:27 | 5:24 |
| Sandbag lunges | 7:01 | 5:09 |
| Run 8 | 7:36 | 6:42 |
| Wall balls | 8:37 | 7:07 |
| Roxzone | 16:07 | 7:10 |
| Finish | 1:46:41 | 1:35:50 |
Head to head: 3 races they both ran
| Race | Derek | Zam | Gap |
|---|---|---|---|
| Manchester 2026 Open Men · 21 Jan 2026 | 1:51:41 | 1:51:49 | 0:08 · Derek faster |
| London ExCeL 2025 Open Men · 4 Dec 2025 | 1:46:41 | 1:45:02 | 1:39 · Zam faster |
| Dublin 2025 Open Men · 12 Nov 2025 | 1:55:11 | 1:57:56 | 2:45 · Derek faster |
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