Progress against the field
Between Amsterdam 2021 and Utrecht 2025, Stefan Houtman lost 19:04 to the field.
Over the same races everyone got 16:09 quicker, so 2:55 slower on the clock looks better than it was.
414 days between Amsterdam 2024 and Utrecht 2025 is the longest gap compared here, and the second race was 10:04 behind the field.
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
6 races · 6 events
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Utrecht28 Nov 2025Individual Open · Men1:42:07459/575Beat 20%
↑ 414 days after Amsterdam 2024 10:04 worse than the field Why ↓Close ↑
9:15 slower on the clock in a race that was 0:49 faster for everyone: 10:04 lost to the field.
The fieldCompare these two →0:49 faster This athlete9:15 slower -
Amsterdam10 Oct 2024Individual Open · Men1:32:52418/659Beat 37%
↑ 341 days after Amsterdam 2023 7:26 worse than the field Why ↓Close ↑
7:26 behind the field: 0:57 slower on the clock, against 6:29 faster for everyone.
The fieldCompare these two →6:29 faster This athlete0:57 slower -
Amsterdam4 Nov 2023Individual Open · Men1:31:55606/1079Beat 44%
↑ 168 days after Rotterdam 2023 7:37 worse than the field Why ↓Close ↑
5:00 slower on the clock in a race that was 2:37 faster for everyone: 7:37 lost to the field.
The fieldCompare these two →2:37 faster This athlete5:00 slower -
Rotterdam20 May 2023Individual Open · Men1:26:55 PB256/575Beat 56%
↑ 210 days after Amsterdam 2022 19:52 better than the field Why ↓Close ↑
21:49 faster on the clock, and the race was 1:57 faster for everyone, so 19:52 of it was this athlete.
The fieldCompare these two →1:57 faster This athlete21:49 faster -
Amsterdam22 Oct 2022Individual Open · Men1:48:44495/561Beat 12%
↑ 363 days after Amsterdam 2021 13:49 worse than the field Why ↓Close ↑
13:49 behind the field: 9:32 slower on the clock, against 4:17 faster for everyone.
The fieldCompare these two →4:17 faster This athlete9:32 slower -
Amsterdam24 Oct 2021Individual Open · Men1:39:12157/192Beat 18%