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Athlete Netherlands

Sietze Buter

Since 2025, Sietze Buter has raced HYROX 3 times across 2 categories, the mixed Doubles Open most often (2). The fastest of 2 in the mixed Doubles Open is 1:18:59 at Amsterdam 2026, 253rd of 506 mixed teams, faster than 50% of the field. On the clock, that is 4:24 faster than the first of them, at Rotterdam 2025, both times with Patricia Marks.

Best finish, by category
Doubles Open · Mixed
1:18:59
Amsterdam 2026
Doubles Open · Men
1:17:18
Rotterdam 2026

Progress against the field

Sietze Buter and Patricia Marks have gained 0:52 on the field from Rotterdam 2025 to Amsterdam 2026.

The clock says 4:24 faster, but the races themselves got 3:32 quicker for everyone.

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

3 races · 3 events

  1. Rotterdam
    15 Apr 2026
    Doubles Open · Men
    1:17:18 PB
    320/580
    Beat 45%
  2. Amsterdam
    21 Jan 2026
    Doubles Open · Mixed
    1:18:59 PB
    253/506
    Beat 50%
    ↑ 328 days after Rotterdam 2025, with Patricia Marks 0:52 better than the field Why ↓

    4:24 faster on the clock, and the race was 3:32 faster for everyone, so 0:52 of it was this pair.

    Compare these two →
  3. Rotterdam
    27 Feb 2025
    Doubles Open · Mixed
    1:23:23
    179/353
    Beat 49%

Personal bests, by station

4:03
Rotterdam 2025
1:31
Rotterdam 2026
2:09
Rotterdam 2026
3:15
Rotterdam 2026
4:23
Rotterdam 2026
1:44
Rotterdam 2026
3:49
Rotterdam 2026
3:34
Rotterdam 2025

Station by station, race by race

Doubles Open · Mixed Faster is lower
1000m SkiErg
4:03 4:03
50m Sled Push
1:54 1:51
50m Sled Pull
3:29 3:09
80m Burpee Broad Jump
4:18 4:06
1000m Row
4:44 4:30
200m Farmers Carry
2:13 1:51
100m Sandbag Lunges
4:34 4:03
Wall Balls
4:33 3:34