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Athlete Netherlands

Willem-Jan Rietberg

Since 2025, Willem-Jan Rietberg has raced HYROX 4 times at 3 events across 3 categories, the men's Doubles Open most often (2). 1:03:36 at Heerenveen 2026 is the fastest of 2 in the men's Doubles Open, 65th of 535 men's teams and ahead of 88% of the field. On the clock, that is 15:58 faster than the first of them, at Utrecht 2025, both times with Melroy Oostra.

Best finish, by category
Doubles Open · Men
1:03:36
Heerenveen 2026
Individual Open · Men
1:07:40
Heerenveen 2026
Doubles Open · Mixed
1:03:03
Rotterdam 2026

Progress against the field

Willem-Jan Rietberg and Melroy Oostra have gained 12:40 on the field from Utrecht 2025 to Heerenveen 2026.

Over the same races everyone got 3:18 quicker, so 15:58 faster on the clock looks better than it was.

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

4 races · 3 events

  1. Heerenveen
    14 May 2026
    Doubles Open · Men
    1:03:36 PB
    65/535
    Beat 88%
    ↑ 167 days after Utrecht 2025, with Melroy Oostra 12:40 better than the field Why ↓

    12:40 better than the field: 15:58 faster on the clock, against 3:18 faster for everyone.

    Compare these two →
  2. Heerenveen
    14 May 2026
    Individual Open · Men
    1:07:40 PB
    32/490
    Beat 94%
  3. Rotterdam
    15 Apr 2026
    Doubles Open · Mixed
    1:03:03 PB
    29/1047
    Beat 97%
  4. Utrecht
    28 Nov 2025
    Doubles Open · Men
    1:19:34
    594/879
    Beat 32%

Personal bests, by station

4:00
Heerenveen 2026
1:34
Utrecht 2025
3:02
Utrecht 2025
2:36
Utrecht 2025
4:11
Heerenveen 2026
1:21
Utrecht 2025
2:46
Utrecht 2025
3:46
Rotterdam 2026

Station by station, race by race

Doubles Open · Men Faster is lower
1000m SkiErg
4:05 4:00
50m Sled Push
1:39 1:34
50m Sled Pull
3:08 3:02
80m Burpee Broad Jump
2:58 2:36
1000m Row
4:18 4:11
200m Farmers Carry
1:39 1:21
100m Sandbag Lunges
2:53 2:46
Wall Balls
4:13 3:59