Jack vs Marshall
USA · Open Men · 1 result Jack Mazurek
USA · Open Men · 1 result Marshall Mattera
Station radar · best race with a field of 30 or more
Jack: Chicago 2025, Open Men · Marshall: Chicago 2025, Open Men
This chart shows where Jack and Marshall sat in the field on each part of the race: the edge is faster than everyone, the centre is the slowest.Jack: strongest on Ski (faster than 89% of the field), weakest on Carry (faster than 3%).Marshall: strongest on Roxzone (faster than 89% of the field), weakest on Push (faster than 15%).
See the numbers
| Part | Jack: faster than | Marshall: faster than |
|---|---|---|
| Ski | 89% | 29% |
| Push | 85% | 15% |
| Pull | 39% | 28% |
| BBJ | 75% | 33% |
| Row | 16% | 61% |
| Carry | 3% | 25% |
| Lunges | 85% | 27% |
| Wall balls | 60% | 31% |
| Roxzone | 51% | 89% |
| Runs | 58% | 83% |
Each athlete against their own field at their own best race (division, gender, that venue). Further out is faster.
Part by part
| Part | Jack | Marshall |
|---|---|---|
| SkiErg | 89% | 29% |
| Sled push | 85% | 15% |
| Sled pull | 39% | 28% |
| Burpee broad jump | 75% | 33% |
| Row | 16% | 61% |
| Farmers carry | 3% | 25% |
| Sandbag lunges | 85% | 27% |
| Wall balls | 60% | 31% |
| Roxzone (moving) | 51% | 89% |
| Runs (8 km) | 58% | 83% |
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.Jack · Chicago 2025 · Open Men: 43:57 running, 37:19 at the stations and 6:47 in the roxzone; the longest station was the wall balls (7:02) and the shortest the sled push (2:02).Below, Marshall · Chicago 2025 · Open Men: 39:02 running, 44:02 at the stations and 4:57 in the roxzone; the longest station was the wall balls (9:07).
See the numbers
| Part | Jack · Chicago 2025 · Open Men | Marshall · Chicago 2025 · Open Men |
|---|---|---|
| Run 1 | 3:26 | 3:07 |
| SkiErg | 4:09 | 4:41 |
| Run 2 | 5:03 | 4:26 |
| Sled push | 2:02 | 3:22 |
| Run 3 | 5:42 | 4:42 |
| Sled pull | 5:32 | 6:02 |
| Run 4 | 5:45 | 7:04 |
| Burpee broad jump | 5:09 | 7:08 |
| Run 5 | 6:02 | 4:53 |
| Row | 5:24 | 4:48 |
| Run 6 | 5:50 | 4:41 |
| Farmers carry | 3:54 | 2:31 |
| Run 7 | 5:38 | 4:52 |
| Sandbag lunges | 4:08 | 6:23 |
| Run 8 | 6:32 | 5:17 |
| Wall balls | 7:02 | 9:07 |
| Roxzone | 6:47 | 4:57 |
| Finish | 1:27:56 | 1:27:55 |
Head to head: 1 race they both ran
| Race | Jack | Marshall | Gap |
|---|---|---|---|
| Chicago 2025 Open Men · 14 Nov 2025 | 1:27:56 | 1:27:55 | 0:01 · Marshall faster |
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