Progress against the field
From Rotterdam 2025 to Rotterdam 2026, the field gained 3:17 on kristie kamphorst.
Over the same races everyone got 6:36 quicker, so 3:19 faster on the clock looks better than it was.
The longest gap between two races compared here, 204 days between Rotterdam 2025 and Maastricht 2025, still ended 5:42 ahead of 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
8 races · 7 events
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Rotterdam15 Apr 2026Individual Open · Women1:14:3033/695Beat 95%
↑ 138 days after Utrecht 2025 4:31 worse than the field Why ↓Close ↑
4:31 behind the field: 1:39 slower on the clock, against 2:52 faster for everyone.
The fieldCompare these two →2:52 faster This athlete1:39 slower -
Amsterdam21 Jan 2026Doubles Open · Mixed59:42 PB32/1206Beat 97%
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Gent12 Dec 2025Doubles Open · Mixed1:12:4240/218Beat 82%
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Utrecht28 Nov 2025Individual Open · Women1:12:518/254Beat 97%
↑ 70 days after Maastricht 2025 4:28 worse than the field Why ↓Close ↑
4:28 behind the field: 1:38 slower on the clock, against 2:50 faster for everyone.
The fieldCompare these two →2:50 faster This athlete1:38 slower -
Utrecht28 Nov 2025Relay · Mixed1:02:407/40Beat 83%
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Maastricht19 Sep 2025Individual Open · Women1:11:13 PB4/348Beat 99%
↑ 204 days after Rotterdam 2025 5:42 better than the field Why ↓Close ↑
6:36 faster on the clock, and the race was 0:54 faster for everyone, so 5:42 of it was this athlete.
The fieldCompare these two →0:54 faster This athlete6:36 faster -
Heerenveen9 May 2025Doubles Open · Women1:06:05 PB5/292Beat 98%
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Rotterdam27 Feb 2025Individual Open · Women1:17:4942/506Beat 92%