Jimi vs Sem

NED NED · Pro Men · 5 results

Jimi Roelofs

1:16:40 best Pro Men time · Utrecht 2025
90th of 317 place in that race · 317 Pro Men finishers
NED NED · Pro Men · 13 results

Sem Zonderwijk

1:12:09 best Pro Men time · Amsterdam 2026
164th of 457 place in that race · 457 Pro Men finishers

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

Jimi: Utrecht 2025, Pro Men · Sem: Rotterdam 2025, Open Men

Not the same division. Jimi's race here is Pro Men and Sem's is Open Men, with different weights and fields. The chart shows how each did against their own field, not who is faster.

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

This chart shows where Jimi and Sem sat in the field on each part of the race: the edge is faster than everyone, the centre is the slowest.Jimi: strongest on Wall balls (faster than 95% of the field), weakest on Row (faster than 43%).Sem: strongest on Lunges (faster than 96% of the field), weakest on Push (faster than 65%).

See the numbers
Part Jimi: faster than Sem: faster than
Ski 51% 82%
Push 69% 65%
Pull 50% 91%
BBJ 80% 95%
Row 43% 95%
Carry 78% 73%
Lunges 56% 96%
Wall balls 95% 74%
Roxzone 78% 93%
Runs 59% 92%

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

Part by part

Part Jimi Sem
SkiErg 51% 82%
Sled push 69% 65%
Sled pull 50% 91%
Burpee broad jump 80% 95%
Row 43% 95%
Farmers carry 78% 73%
Sandbag lunges 56% 96%
Wall balls 95% 74%
Roxzone (moving) 78% 93%
Runs (8 km) 59% 92%

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

Jimi · Utrecht 2025 · Pro Men1:16:40
4:014:164:314:235:166:264:563:435:134:394:511:545:004:564:044:403:59
Sem · Rotterdam 2025 · Open Men1:09:42
4:284:114:202:374:233:514:203:484:224:184:311:534:313:314:505:054:53
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.Jimi · Utrecht 2025 · Pro Men: 37:53 running, 34:57 at the stations and 3:59 in the roxzone; the longest station was the sled pull (6:26).Below, Sem · Rotterdam 2025 · Open Men: 35:45 running, 29:14 at the stations and 4:53 in the roxzone; the longest station was the wall balls (5:05).

See the numbers
Part Jimi · Utrecht 2025 · Pro Men Sem · Rotterdam 2025 · Open Men
Run 1 4:01 4:28
SkiErg 4:16 4:11
Run 2 4:31 4:20
Sled push 4:23 2:37
Run 3 5:16 4:23
Sled pull 6:26 3:51
Run 4 4:56 4:20
Burpee broad jump 3:43 3:48
Run 5 5:13 4:22
Row 4:39 4:18
Run 6 4:51 4:31
Farmers carry 1:54 1:53
Run 7 5:00 4:31
Sandbag lunges 4:56 3:31
Run 8 4:04 4:50
Wall balls 4:40 5:05
Roxzone 3:59 4:53
Finish 1:16:40 1:09:42

Head to head: 2 races they both ran

Race Jimi Sem Gap
Utrecht 2025 Pro Men · 28 Nov 2025 1:16:40 1:16:31 0:09 · Sem faster
Amsterdam 2024 Pro Men · 10 Oct 2024 1:38:14 1:23:06 15:08 · Sem faster
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