Athlete · Open Men · 50-54 ·

NED

Kaji But

5 HYROX results (1 solo, 4 in a team) over 3 seasons. Personal bests: Open Men 1:33:37 (Maastricht 2026) · Doubles Men 1:19:12 (Amsterdam 2026).

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1:33:37 Open Men time · Maastricht 2026 also raced Doubles Men: each has its own best below

1385th of 2,058 Open Men place · Maastricht 2026 among Open Men finishers there

1:33:37 latest race · Maastricht 2026 first Open Men race Open Men

Sled push strongest segment · Maastricht 2026 faster than 89% of the Open Men field on it

1 · Tap any raceEach row below opens that race's report: every split against the field, where the time went, where it can come back.

2 · Read the station profileFurther down: the shape of the race, the strongest and weakest segments, and the race as one bar against the typical finisher.

3 · Turn it into trainingEvery weak station links to its workouts on RoxHype; the app writes the eight weeks from these exact splits.

Personal bests

One best per race type

solo, doubles and relay times are different races, so each has its own best

Open Men1:33:37Maastricht 2026 · 1 race Doubles Men1:19:12Amsterdam 2026 · 4 races · with Zimin Chen

Doubles Men: finish time, race by race

oldest to newest · a line going down means getting faster

1:20:001:22:001:24:001:26:001:28:001:30:00 best 1:19:12 best 1:19:12 · Amsterdam

Each dot is one Doubles Men race. Not enough complete, clean Doubles Men races yet to measure the change. Team times are shared with a partner, so they move with who you race with.

Every race

5 results

tap a race for its full report

Race	Division	Time	Place	Runs	Stations	Roxzone
Maastricht 2026 18 Sept 2026what the whole field did →	Open Men · 50-54	1:33:37	1385th of 2,058	44:59	40:47	7:57	splits SkiErg4:39Sled push2:21Sled pull5:38Burpee broad jump6:07Row4:46Farmers carry2:02Sandbag lunges4:41Wall balls10:33Run 14:30Run 25:32Run 35:44Run 45:50Run 55:40Run 65:41Run 75:49Run 86:17Full report for this race →
Heerenveen 2026 15 May 2026team: Kaji But, Kalun Chanwhat the whole field did →	Doubles Men · team 45-49	1:20:02	1022nd of 1,462	43:42	28:05	8:21	splits SkiErg4:32Sled push2:05Sled pull3:17Burpee broad jump3:56Row4:18Farmers carry1:45Sandbag lunges3:30Wall balls4:42Run 15:18Run 25:09Run 35:21Run 45:26Run 55:42Run 65:32Run 75:30Run 85:46Full report for this race →
Amsterdam 2026 25 Jan 2026team: Kaji But, Zimin Chenwhat the whole field did →	Doubles Men · team 45-49	1:19:12	1267th of 1,738	44:27	27:43	7:07	splits SkiErg3:56Sled push2:36Sled pull3:59Burpee broad jump3:21Row4:08Farmers carry1:44Sandbag lunges3:57Wall balls4:02Run 14:10Run 25:01Run 35:34Run 45:29Run 55:54Run 65:59Run 75:55Run 86:28Full report for this race →
Ghent 2025 14 Dec 2025team: Kaji But, Zimin Chenwhat the whole field did →	Doubles Men · team 45-49	1:19:54	1077th of 1,448	44:23	28:37	7:00	splits SkiErg4:09Sled push2:02Sled pull4:46Burpee broad jump3:19Row4:21Farmers carry1:43Sandbag lunges3:50Wall balls4:27Run 15:38Run 25:09Run 35:29Run 45:24Run 55:43Run 65:27Run 75:42Run 85:54Full report for this race →
Rotterdam 2025 27 Feb 2025team: Kaji But, Cheng Yeh Hsuwhat the whole field did →	Doubles Men · team 40-49	1:30:08	1253rd of 1,384	53:24	28:50	7:58	splits SkiErg4:03Sled push1:41Sled pull4:11Burpee broad jump4:08Row4:18Farmers carry1:50Sandbag lunges4:16Wall balls4:23Run 15:40Run 26:04Run 36:25Run 46:36Run 57:49Run 66:44Run 76:49Run 87:21Full report for this race →

Place is the position among timed finishers in the same race, division and gender; a doubles place is the team's. Runs is the organiser's official run total (it can differ from the eight laps added up by a few seconds), stations the eight stations added up, and roxzone the time moving between them. The age group is the one entered for that race; for a team it is the team’s age group. How the numbers are made.

Station profile · best Open Men race

Maastricht 2026, against 2,058 Open Men

Full race report →

Shape of the race

50% top SkiPushPullBBJRowCarryLungesWall ballsRoxzoneRuns

Kajiedge = faster than everyone, centre = slowest

Each spoke is one segment (roxzone is the time moving between stations). The further out, the bigger the share of the field beaten on it. A round shape is an even race; a dent is a weak station.

How you ranked on each segment

SkiErg faster than 30%

Sled push faster than 89%

Sled pull faster than 21%

Burpee broad jump faster than 41%

Row faster than 65%

Farmers carry faster than 64%

Sandbag lunges faster than 66%

Wall balls faster than 12%

Roxzone faster than 45%

Runs (8 km) faster than 29%

Longer is better: the share of the field this segment beat.

Minutes against the typical finisher

SkiErg 0:10 slower

Sled push 0:36 faster

Sled pull 1:00 slower

Burpee broad jump 0:25 slower

Row 0:08 faster

Farmers carry 0:10 faster

Sandbag lunges 0:29 faster

Wall balls 3:39 slower

Roxzone 0:17 slower

Runs (8 km) 4:05 slower

Green, left of centre: faster than the typical Open Men finisher at this race. Orange, right: slower, and by how much.

The race as one bar: Kaji against the typical Open Men finisher

Kaji1:33:37

4:304:395:322:215:445:385:506:075:404:465:412:025:494:416:1710:337:57

Typical Open Men1:25:20

3:444:294:532:575:144:385:135:425:204:545:152:125:145:105:516:547:40

RunsStationsRoxzone (moving between stations)

Left to right is the race in order: run 1, SkiErg, run 2, sled push, and so on. A block wider than the one below it is a slower segment than the typical finisher.

Wall balls cost 3:39 against the typical Open Men finisher at Maastricht 2026. The wall balls guide shows whether that is strength or pacing, and the workouts that fix it.

The RoxHype app

Fix wall balls. Then beat 1:33:37.

The RoxHype app takes your real splits, your kit and your next race date, and builds the weeks between.

Every session written for your weak station, not a generic plan
Rebuilt each week from what you actually did
Race-day pacing from your own splits

Build my plan in the app App Store Google Play

Free to download. Used by more than 40,000 HYROX athletes.

The RoxHype app: today's session and the race countdown