Progress against the field
Between Amsterdam 2026 and Rotterdam 2026, Anniek van der Perk pulled 1:49 ahead of the field.
The races barely moved for everyone else, so 2:03 faster on the clock is close to the whole story.
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
6 races · 6 events
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Heerenveen14 May 2026Doubles Pro · Women1:20:10 PB129/231Beat 44%
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Rotterdam15 Apr 2026Individual Open · Women1:27:15 PB108/485Beat 78%
↑ 84 days after Amsterdam 2026 1:49 better than the field Why ↓Close ↑
2:03 faster on the clock, and the race was 0:14 faster for everyone, so 1:49 of it was this athlete.
The fieldCompare these two →0:14 faster This athlete2:03 faster -
Mechelen26 Mar 2026Doubles Open · Women1:18:14 PB202/1017Beat 80%
↑ 392 days after Rotterdam 2025, with Sanne Marcus 6:14 better than the field Why ↓Close ↑
6:14 better than the field: 9:57 faster on the clock, against 3:43 faster for everyone.
The fieldCompare these two →3:43 faster This pair9:57 faster -
Amsterdam21 Jan 2026Individual Open · Women1:29:18473/1122Beat 58%
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Gent12 Dec 2025Doubles Open · Women1:18:45188/882Beat 79%
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Rotterdam27 Feb 2025Doubles Open · Women1:28:11139/243Beat 43%