Progress against the field
Between Rotterdam 2025 and Amsterdam 2026, Fleur Kolk pulled 0:41 ahead of the field.
Over the same races everyone got 5:01 quicker, so 5:42 faster 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. The summary above covers Individual Pro · Women, the one raced most; every comparison is in the list below.
Every race
9 races · 8 events
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Rotterdam15 Apr 2026Doubles Open · Women1:12:31 PB63/936Beat 93%
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Amsterdam21 Jan 2026Individual Pro · Women1:21:37 PB63/128Beat 51%
↑ 328 days after Rotterdam 2025 0:41 better than the field Why ↓Close ↑
5:42 faster on the clock, and the race was 5:01 faster for everyone, so 0:41 of it was this athlete.
The fieldCompare these two →5:01 faster This athlete5:42 faster -
Heerenveen9 May 2025Individual Open · Women1:20:50 PB74/571Beat 87%
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Rotterdam27 Feb 2025Doubles Open · Mixed1:24:30 PB388/707Beat 45%
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Rotterdam27 Feb 2025Individual Pro · Women1:27:1916/26Beat 39%
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Amsterdam10 Oct 2024Individual Pro · Women1:29:1337/66Beat 44%
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Maastricht20 Jan 2024Individual Pro · Women1:29:4224/35Beat 31%
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Rotterdam20 May 2023Individual Open · Women1:27:0177/290Beat 73%
↑ 119 days after Maastricht European Championships 2023 1:18 worse than the field Why ↓Close ↑
1:18 behind the field: 0:57 slower on the clock, against 0:21 faster for everyone.
The fieldCompare these two →0:21 faster This athlete0:57 slower -
Maastricht European Championships21 Jan 2023Individual Open · Women1:26:04114/258Beat 56%