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Athlete Netherlands

Sjoerd Bos

Sjoerd Bos has raced HYROX twice in 2025, both in the mixed Doubles Open. 1:16:07 at Gent 2025 is the fastest of 2, 277th of 863 mixed teams and ahead of 68% of the field. With joyce posthuma both times, that is 5:13 quicker on the clock than the first of them, at Heerenveen 2025.

Best finish, by category
Doubles Open · Mixed
1:16:07
Gent 2025

Progress against the field

From Heerenveen 2025 to Gent 2025, Sjoerd Bos and joyce posthuma got 4:44 faster than the field.

The races themselves barely changed, so 5:13 faster on the clock is the real picture.

Race by race, in the list below ↓
How this is worked out ⓘ

A finish time moves for two reasons: the athlete, and the race — its course, its floor, its day. For each pair of races in a row in one category, we take everyone who raced both and use the middle of how much they moved (the median) as "the race". Whatever is left is the athlete. Doubles are compared only when the same two people raced both, and told as the pair's; relays are left out. A pair with fewer than 15 athletes in common is not shown.

Every race

2 races · 2 events

  1. Gent
    12 Dec 2025
    Doubles Open · Mixed
    1:16:07 PB
    277/863
    Beat 68%
    ↑ 217 days after Heerenveen 2025, with joyce posthuma 4:44 better than the field Why ↓

    5:13 faster on the clock, and the race was 0:29 faster for everyone, so 4:44 of it was this pair.

    Compare these two →
  2. Heerenveen
    9 May 2025
    Doubles Open · Mixed
    1:21:20
    244/492
    Beat 50%

Personal bests, by station

4:00
Heerenveen 2025
2:05
Heerenveen 2025
3:51
Gent 2025
3:19
Gent 2025
4:43
Gent 2025
1:49
Gent 2025
3:34
Gent 2025
3:42
Heerenveen 2025

Station by station, race by race

Doubles Open · Mixed Faster is lower
1000m SkiErg
4:08 4:00
50m Sled Push
2:09 2:05
50m Sled Pull
4:01 3:51
80m Burpee Broad Jump
4:09 3:19
1000m Row
4:49 4:43
200m Farmers Carry
1:53 1:49
100m Sandbag Lunges
4:03 3:34
Wall Balls
4:07 3:42