Tirza vs Marieke

NED NED · Open Women · 4 results

Tirza Dumernit

1:25:07 best Open Women time · Heerenveen 2026
298th of 1,245 place in that race · 1,245 Open Women finishers
NED NED · Open Women · 6 results

Marieke Buitelaar

1:25:01 best Open Women time · Heerenveen 2026
296th of 1,245 place in that race · 1,245 Open Women finishers

Station radar · best race with a field of 30 or more

Tirza: Heerenveen 2026, Open Women · Marieke: Heerenveen 2026, Open Women

50% top SkiPushPullBBJRowCarryLungesWall ballsRoxzoneRuns
TirzaMariekeedge = faster than everyone, centre = slowest

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

Tirza · Heerenveen 2026 · Open Women1:25:07
5:184:575:171:565:203:475:225:015:245:235:182:045:244:175:466:188:21
Marieke · Heerenveen 2026 · Open Women1:25:01
5:175:065:162:065:184:315:256:045:365:355:161:415:254:225:464:447:44
RunsStationsRoxzone (moving between stations)

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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