Tirza vs Iris

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 · 4 results

Iris Kolkman

1:25:08 best Open Women time · Heerenveen 2026
299th 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 · Iris: Heerenveen 2026, Open Women

50% top SkiPushPullBBJRowCarryLunges
no split
Wall ballsRoxzoneRuns
TirzaIrisedge = faster than everyone, centre = slowest

This chart shows where Tirza and Iris 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%).Iris: strongest on Push (faster than 96% of the field), weakest on Roxzone (faster than 38%).

See the numbers
Part Tirza: faster than Iris: faster than
Ski 67% 54%
Push 97% 96%
Pull 95% 92%
BBJ 90% 60%
Row 51% 68%
Carry 66% 83%
Lunges 73% no split
Wall balls 58% 86%
Roxzone 65% 38%
Runs 68% 66%

Each athlete against their own field at their own best race (division, gender, that venue). Further out is faster.

Part by part

Part Tirza Iris
SkiErg 67% 54%
Sled push 97% 96%
Sled pull 95% 92%
Burpee broad jump 90% 60%
Row 51% 68%
Farmers carry 66% 83%
Sandbag lunges 73% —
Wall balls 58% 86%
Roxzone (moving) 65% 38%
Runs (8 km) 68% 66%

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
Iris · Heerenveen 2026 · Open Women1:25:08
4:535:044:531:595:193:575:186:355:335:125:311:545:456:154:599:56
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, Iris · Heerenveen 2026 · Open Women: 43:27 running, 29:40 at the stations and 9:56 in the roxzone; the longest station was the burpee broad jumps (6:35).

See the numbers
Part Tirza · Heerenveen 2026 · Open Women Iris · Heerenveen 2026 · Open Women
Run 1 5:18 4:53
SkiErg 4:57 5:04
Run 2 5:17 4:53
Sled push 1:56 1:59
Run 3 5:20 5:19
Sled pull 3:47 3:57
Run 4 5:22 5:18
Burpee broad jump 5:01 6:35
Run 5 5:24 5:33
Row 5:23 5:12
Run 6 5:18 5:31
Farmers carry 2:04 1:54
Run 7 5:24 5:45
Sandbag lunges 4:17 —
Run 8 5:46 6:15
Wall balls 6:18 4:59
Roxzone 8:21 9:56
Finish 1:25:07 1:25:08

Head to head: 1 race they both ran

Race Tirza Iris Gap
Heerenveen 2026 Open Women · 17 May 2026 1:25:07 1:25:08 0:01 · Tirza faster
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