Progress against the field
Jelte Tuinenburg has dropped 0:36 behind the field from Rotterdam 2024 to Mechelen 2026.
Over the same races everyone got 14:54 quicker, so 14:18 faster on the clock looks better than it was.
The longest gap between two races compared here, 237 days between Belgium 2025 and Utrecht 2025, cost 5:57 on 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
7 races · 7 events
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Mechelen26 Mar 2026Individual Open · Men1:22:06372/747Beat 50%
↑ 118 days after Utrecht 2025 1:41 worse than the field Faster on the clock, behind the field Why ↓Close ↑
4:27 faster on the clock looks better than it was: the race was 6:08 faster for everyone, which leaves this 1:41 behind the field.
The fieldCompare these two →6:08 faster This athlete4:27 faster -
Utrecht28 Nov 2025Individual Open · Men1:26:33259/575Beat 55%
↑ 237 days after Belgium 2025 5:57 worse than the field Why ↓Close ↑
5:34 slower on the clock in a race that was 0:23 faster for everyone: 5:57 lost to the field.
The fieldCompare these two →0:23 faster This athlete5:34 slower -
Maastricht19 Sep 2025Doubles Open · Mixed1:12:31 PB48/364Beat 87%
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Belgium5 Apr 2025Individual Open · Men1:20:59 PB588/1638Beat 64%
↑ 177 days after Amsterdam 2024 7:24 better than the field Why ↓Close ↑
7:24 better than the field: 9:00 faster on the clock, against 1:36 faster for everyone.
The fieldCompare these two →1:36 faster This athlete9:00 faster -
Rotterdam27 Feb 2025Doubles Open · Men1:15:00 PB320/733Beat 56%
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Amsterdam10 Oct 2024Individual Open · Men1:29:59378/659Beat 43%
↑ 187 days after Rotterdam 2024 0:22 worse than the field Faster on the clock, behind the field Why ↓Close ↑
6:25 faster on the clock, yet the race was 6:47 faster for everyone, so 0:22 was lost on the field.
The fieldCompare these two →6:47 faster This athlete6:25 faster -
Rotterdam6 Apr 2024Individual Open · Men1:36:24886/1380Beat 36%