Progress against the field
Between Rotterdam 2025 and Rotterdam 2026, Julia Van der Zanden and Fleur Blom pulled 3:25 ahead of the field.
Over the same races everyone got 6:07 quicker, so 9:32 faster on the clock looks better than it was.
The longest gap between two races compared here, 208 days between Maastricht 2025 and Rotterdam 2026, still ended 2:26 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
4 races · 4 events
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Rotterdam15 Apr 2026Doubles Open · Women1:13:2629/466Beat 94%
↑ 208 days after Maastricht 2025, with Fleur Blom 2:26 better than the field Why ↓Close ↑
6:27 faster on the clock, and the race was 4:01 faster for everyone, so 2:26 of it was this pair.
The fieldCompare these two →4:01 faster This pair6:27 faster -
Utrecht28 Nov 2025Doubles Open · Women1:11:44 PB16/294Beat 95%
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Maastricht19 Sep 2025Doubles Open · Women1:19:53203/739Beat 73%
↑ 204 days after Rotterdam 2025, with Fleur Blom 0:59 better than the field Why ↓Close ↑
3:05 faster on the clock, and the race was 2:06 faster for everyone, so 0:59 of it was this pair.
The fieldCompare these two →2:06 faster This pair3:05 faster -
Rotterdam27 Feb 2025Doubles Open · Women1:22:58102/272Beat 63%