Tirza vs Marieke
Tirza Dumernit
Marieke Buitelaar
Station radar · best race with a field of 30 or more
Tirza: Heerenveen 2026, Open Women · Marieke: Heerenveen 2026, Open Women
This chart shows where Tirza and Marieke sat in the field on each part of the race: the edge is faster than everyone, the centre is the slowest.Tirza: strongest on Push (faster than 97% of the field), weakest on Row (faster than 51%).Marieke: strongest on Carry (faster than 97% of the field), weakest on Row (faster than 33%).
See the numbers
| Part | Tirza: faster than | Marieke: faster than |
|---|---|---|
| Ski | 67% | 50% |
| Push | 97% | 91% |
| Pull | 95% | 73% |
| BBJ | 90% | 71% |
| Row | 51% | 33% |
| Carry | 66% | 97% |
| Lunges | 73% | 70% |
| Wall balls | 58% | 90% |
| Roxzone | 65% | 76% |
| Runs | 68% | 67% |
Each athlete against their own field at their own best race (division, gender, that venue). Further out is faster.
Part by part
| Part | Tirza | Marieke |
|---|---|---|
| SkiErg | 67% | 50% |
| Sled push | 97% | 91% |
| Sled pull | 95% | 73% |
| Burpee broad jump | 90% | 71% |
| Row | 51% | 33% |
| Farmers carry | 66% | 97% |
| Sandbag lunges | 73% | 70% |
| Wall balls | 58% | 90% |
| Roxzone (moving) | 65% | 76% |
| Runs (8 km) | 68% | 67% |
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.Tirza · Heerenveen 2026 · Open Women: 43:09 running, 33:43 at the stations and 8:21 in the roxzone; the longest station was the wall balls (6:18) and the shortest the sled push (1:56).Below, Marieke · Heerenveen 2026 · Open Women: 43:20 running, 34:09 at the stations and 7:44 in the roxzone; the longest station was the burpee broad jumps (6:04).
See the numbers
| Part | Tirza · Heerenveen 2026 · Open Women | Marieke · Heerenveen 2026 · Open Women |
|---|---|---|
| Run 1 | 5:18 | 5:17 |
| SkiErg | 4:57 | 5:06 |
| Run 2 | 5:17 | 5:16 |
| Sled push | 1:56 | 2:06 |
| Run 3 | 5:20 | 5:18 |
| Sled pull | 3:47 | 4:31 |
| Run 4 | 5:22 | 5:25 |
| Burpee broad jump | 5:01 | 6:04 |
| Run 5 | 5:24 | 5:36 |
| Row | 5:23 | 5:35 |
| Run 6 | 5:18 | 5:16 |
| Farmers carry | 2:04 | 1:41 |
| Run 7 | 5:24 | 5:25 |
| Sandbag lunges | 4:17 | 4:22 |
| Run 8 | 5:46 | 5:46 |
| Wall balls | 6:18 | 4:44 |
| Roxzone | 8:21 | 7:44 |
| Finish | 1:25:07 | 1:25:01 |
Head to head: 2 races they both ran
| Race | Tirza | Marieke | Gap |
|---|---|---|---|
| Heerenveen 2026 Open Women · 17 May 2026 | 1:25:07 | 1:25:01 | 0:06 · Marieke faster |
| Amsterdam 2026 Open Women · 21 Jan 2026 | 1:26:13 | 1:28:16 | 2:03 · Tirza faster |
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