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Athlete Netherlands

Sam Koolhaas

Sam Koolhaas has raced HYROX 5 times since 2024, in 3 categories, most often the women's Doubles Open (3). 1:19:30 at Belgium 2025 is the fastest of 3 in the women's Doubles Open, 152nd of 713 women's teams and ahead of 79% of the field.

Best finish, by category
Doubles Open · Women
1:19:30
Belgium 2025
Doubles Open · Mixed
1:26:22
Heerenveen 2025
Individual Open · Women
1:43:24
Rotterdam 2025

Every race

5 races · 5 events

  1. Heerenveen
    9 May 2025
    Doubles Open · Mixed
    1:26:22 PB
    171/250
    Beat 32%
  2. Belgium
    5 Apr 2025
    Doubles Open · Women
    1:19:30 PB
    152/713
    Beat 79%
  3. Rotterdam
    27 Feb 2025
    Individual Open · Women
    1:43:24 PB
    298/411
    Beat 28%
  4. Amsterdam
    10 Oct 2024
    Doubles Open · Women
    1:28:20
    150/308
    Beat 51%
  5. Rotterdam
    6 Apr 2024
    Doubles Open · Women
    1:21:00
    125/564
    Beat 78%

Personal bests, by station

1000m SkiErg
4:09
Heerenveen 2025
50m Sled Push
1:11
Belgium 2025
50m Sled Pull
3:19
Amsterdam 2024
80m Burpee Broad Jump
3:17
Rotterdam 2024
1000m Row
4:32
Belgium 2025
200m Farmers Carry
1:36
Belgium 2025
100m Sandbag Lunges
2:59
Belgium 2025
Wall Balls
2:39
Rotterdam 2024

Station by station, race by race

Doubles Open · Women Faster is lower
1000m SkiErg
4:35 4:28
50m Sled Push
1:36 1:11
50m Sled Pull
3:39 3:19
80m Burpee Broad Jump
4:29 3:17
1000m Row
4:51 4:32
200m Farmers Carry
1:55 1:36
100m Sandbag Lunges
3:17 2:59
Wall Balls
4:05 2:39