Progress against the field
Between Utrecht 2025 and Rotterdam 2026, Fleur Kempen pulled 6:10 ahead of the field.
Over the same races everyone got 2:52 quicker, so 9:02 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 Open · Women, the one raced most; every comparison is in the list below.
Every race
5 races · 5 events
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Rotterdam15 Apr 2026Individual Open · Women1:13:57 PB29/695Beat 96%
↑ 138 days after Utrecht 2025 6:10 better than the field Why ↓Close ↑
9:02 faster on the clock, and the race was 2:52 faster for everyone, so 6:10 of it was this athlete.
The fieldCompare these two →2:52 faster This athlete9:02 faster -
Amsterdam21 Jan 2026Doubles Open · Women1:09:12 PB5/307Beat 98%
↑ 257 days after Heerenveen 2025, with Laura Custers 1:35 better than the field Why ↓Close ↑
1:35 better than the field: 4:30 faster on the clock, against 2:55 faster for everyone.
The fieldCompare these two →2:55 faster This pair4:30 faster -
Utrecht28 Nov 2025Individual Open · Women1:22:59104/619Beat 83%
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Heerenveen9 May 2025Doubles Open · Women1:13:4235/292Beat 88%
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Rotterdam27 Feb 2025Doubles Open · Mixed1:15:54 PB182/707Beat 74%