Callum vs Nivi

GBR GBR · Open Men · 4 results

Callum Clarke

1:15:40 best Open Men time · London ExCeL 2025
1603rd of 5,554 place in that race · 5,554 Open Men finishers
ITA ITA · Open Men · 1 result

Nivi Jasa

1:15:39 best Open Men time · London ExCeL 2025
1601st of 5,554 place in that race · 5,554 Open Men finishers

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

Callum: London ExCeL 2025, Open Men · Nivi: London ExCeL 2025, Open Men

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

This chart shows where Callum and Nivi sat in the field on each part of the race: the edge is faster than everyone, the centre is the slowest.Callum: strongest on Roxzone (faster than 85% of the field), weakest on Ski (faster than 25%).Nivi: strongest on Push (faster than 80% of the field), weakest on BBJ (faster than 48%).

See the numbers
Part Callum: faster than Nivi: faster than
Ski 25% 64%
Push 47% 80%
Pull 35% 60%
BBJ 55% 48%
Row 35% 76%
Carry 42% 49%
Lunges 82% 52%
Wall balls 55% 76%
Roxzone 85% 64%
Runs 82% 77%

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

Part by part

Part Callum Nivi
SkiErg 25% 64%
Sled push 47% 80%
Sled pull 35% 60%
Burpee broad jump 55% 48%
Row 35% 76%
Farmers carry 42% 49%
Sandbag lunges 82% 52%
Wall balls 55% 76%
Roxzone (moving) 85% 64%
Runs (8 km) 82% 77%

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

Callum · London ExCeL 2025 · Open Men1:15:40
2:465:053:132:513:305:143:375:193:425:063:392:093:344:095:057:019:46
Nivi · London ExCeL 2025 · Open Men1:15:39
2:474:433:212:253:344:323:355:353:444:413:482:043:415:075:205:5110:57
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.Callum · London ExCeL 2025 · Open Men: 29:07 running, 36:54 at the stations and 9:46 in the roxzone; the longest station was the wall balls (7:01).Below, Nivi · London ExCeL 2025 · Open Men: 29:49 running, 34:58 at the stations and 10:57 in the roxzone; the longest station was the wall balls (5:51).

See the numbers
Part Callum · London ExCeL 2025 · Open Men Nivi · London ExCeL 2025 · Open Men
Run 1 2:46 2:47
SkiErg 5:05 4:43
Run 2 3:13 3:21
Sled push 2:51 2:25
Run 3 3:30 3:34
Sled pull 5:14 4:32
Run 4 3:37 3:35
Burpee broad jump 5:19 5:35
Run 5 3:42 3:44
Row 5:06 4:41
Run 6 3:39 3:48
Farmers carry 2:09 2:04
Run 7 3:34 3:41
Sandbag lunges 4:09 5:07
Run 8 5:05 5:20
Wall balls 7:01 5:51
Roxzone 9:46 10:57
Finish 1:15:40 1:15:39

Head to head: 1 race they both ran

Race Callum Nivi Gap
London ExCeL 2025 Open Men · 4 Dec 2025 1:15:40 1:15:39 0:01 · Nivi 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