Jack vs Callum

GBR GBR · Open Men · 3 results

Jack Fox-Salt

1:26:25 best Open Men time · Birmingham 2025
2089th of 3,945 place in that race · 3,945 Open Men finishers
GBR GBR · Open Men · 4 results

Callum Jarvis

1:18:13 best Open Men time · London ExCeL 2025
2023rd of 5,554 place in that race · 5,554 Open Men finishers

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

Jack: Birmingham 2025, Open Men · Callum: London ExCeL 2025, Open Men

top SkiPushPullBBJRowCarryLungesWall ballsRoxzoneRuns
JackCallumedge = faster than everyone, centre = slowest

This chart shows where Jack and Callum sat in the field on each part of the race: the edge is faster than everyone, the centre is the slowest.Jack: strongest on BBJ (faster than 77% of the field), weakest on Carry (faster than 26%).Callum: strongest on Runs (faster than 92% of the field), weakest on Ski (faster than 13%).

See the numbers
Part Jack: faster than Callum: faster than
Ski 47% 13%
Push 40% 58%
Pull 31% 45%
BBJ 77% 24%
Row 37% 74%
Carry 26% 16%
Lunges 26% 79%
Wall balls 44% 20%
Roxzone 68% 90%
Runs 43% 92%

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

Part by part

Part Jack Callum
SkiErg 47% 13%
Sled push 40% 58%
Sled pull 31% 45%
Burpee broad jump 77% 24%
Row 37% 74%
Farmers carry 26% 16%
Sandbag lunges 26% 79%
Wall balls 44% 20%
Roxzone (moving) 68% 90%
Runs (8 km) 43% 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

Jack · Birmingham 2025 · Open Men1:26:25
4:594:314:223:325:155:405:054:325:384:575:032:345:146:115:237:415:55
Callum · London ExCeL 2025 · Open Men1:18:13
2:515:163:112:423:174:563:286:583:094:423:152:393:204:144:4810:139:21
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.Jack · Birmingham 2025 · Open Men: 40:58 running, 39:38 at the stations and 5:55 in the roxzone; the longest station was the wall balls (7:41).Below, Callum · London ExCeL 2025 · Open Men: 27:19 running, 41:40 at the stations and 9:21 in the roxzone; the longest station was the wall balls (10:13).

See the numbers
Part Jack · Birmingham 2025 · Open Men Callum · London ExCeL 2025 · Open Men
Run 1 4:59 2:51
SkiErg 4:31 5:16
Run 2 4:22 3:11
Sled push 3:32 2:42
Run 3 5:15 3:17
Sled pull 5:40 4:56
Run 4 5:05 3:28
Burpee broad jump 4:32 6:58
Run 5 5:38 3:09
Row 4:57 4:42
Run 6 5:03 3:15
Farmers carry 2:34 2:39
Run 7 5:14 3:20
Sandbag lunges 6:11 4:14
Run 8 5:23 4:48
Wall balls 7:41 10:13
Roxzone 5:55 9:21
Finish 1:26:25 1:18:13

Head to head: 1 race they both ran

Race Jack Callum Gap
Birmingham 2025 Open Men · 22 Oct 2025 1:26:25 1:26:23 0:02 · Callum 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