Diederik vs Sander

NED NED · Open Men · 1 result

Diederik Buitendijk

1:40:07 best Open Men time · Rotterdam 2025
2005th of 2,469 place in that race · 2,469 Open Men finishers
NED NED · Open Men · 1 result

Sander Kuypers

1:40:05 best Open Men time · Rotterdam 2025
2003rd of 2,469 place in that race · 2,469 Open Men finishers

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

Diederik: Rotterdam 2025, Open Men · Sander: Rotterdam 2025, Open Men

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

This chart shows where Diederik and Sander sat in the field on each part of the race: the edge is faster than everyone, the centre is the slowest.Diederik: strongest on Roxzone (faster than 45% of the field), weakest on BBJ (faster than 13%).Sander: strongest on Wall balls (faster than 44% of the field), weakest on Ski (faster than 1%).

See the numbers
Part Diederik: faster than Sander: faster than
Ski 31% 1%
Push 22% 10%
Pull 17% 9%
BBJ 13% 9%
Row 25% 23%
Carry 19% 7%
Lunges 26% 25%
Wall balls 23% 44%
Roxzone 45% 23%
Runs 18% 31%

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

Part by part

Part Diederik Sander
SkiErg 31% 1%
Sled push 22% 10%
Sled pull 17% 9%
Burpee broad jump 13% 9%
Row 25% 23%
Farmers carry 19% 7%
Sandbag lunges 26% 25%
Wall balls 23% 44%
Roxzone (moving) 45% 23%
Runs (8 km) 18% 31%

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

Diederik · Rotterdam 2025 · Open Men1:40:07
6:094:345:473:186:106:266:258:096:205:006:032:345:586:066:567:167:03
Sander · Rotterdam 2025 · Open Men1:40:05
6:095:196:313:465:187:055:238:405:165:027:063:004:596:085:566:108:26
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.Diederik · Rotterdam 2025 · Open Men: 49:48 running, 43:23 at the stations and 7:03 in the roxzone; the longest station was the burpee broad jumps (8:09).Below, Sander · Rotterdam 2025 · Open Men: 46:38 running, 45:10 at the stations and 8:26 in the roxzone; the longest station was the burpee broad jumps (8:40).

See the numbers
Part Diederik · Rotterdam 2025 · Open Men Sander · Rotterdam 2025 · Open Men
Run 1 6:09 6:09
SkiErg 4:34 5:19
Run 2 5:47 6:31
Sled push 3:18 3:46
Run 3 6:10 5:18
Sled pull 6:26 7:05
Run 4 6:25 5:23
Burpee broad jump 8:09 8:40
Run 5 6:20 5:16
Row 5:00 5:02
Run 6 6:03 7:06
Farmers carry 2:34 3:00
Run 7 5:58 4:59
Sandbag lunges 6:06 6:08
Run 8 6:56 5:56
Wall balls 7:16 6:10
Roxzone 7:03 8:26
Finish 1:40:07 1:40:05

Head to head: 1 race they both ran

Race Diederik Sander Gap
Rotterdam 2025 Open Men · 27 Feb 2025 1:40:07 1:40:05 0:02 · Sander faster
The RoxHype app

Close the gap at your next race.

The RoxHype app is your training plan to race day: built from your splits, your kit and your race date, and adjusted every week.

  • A week-by-week plan that counts down to your race
  • Extra work on your slowest stations
  • Adjusts every week to what you actually did

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

RoxHype app home: days to your HYROX, your expected finish range and this week's sessions RoxHype workout player guiding a sled push, with the next exercise lined up