Progress against the field
From Rotterdam 2024 to Belgium 2025, the field gained 8:53 on Henri Kuijpers and Koen de Haas.
Over the same races everyone got 4:20 quicker, so 4:33 slower on the clock looks better than it was.
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
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Maastricht19 Sep 2026Doubles Open · Men1:32:08406/457Beat 11%
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Belgium5 Apr 2025Doubles Open · Men1:25:41788/898Beat 12%
↑ 364 days after Rotterdam 2024, with Koen de Haas 8:53 worse than the field Why ↓Close ↑
8:53 behind the field: 4:33 slower on the clock, against 4:20 faster for everyone.
The fieldCompare these two →4:20 faster This pair4:33 slower -
Rotterdam6 Apr 2024Doubles Open · Men1:21:08 PB479/722Beat 34%