Progress against the field
Serenethy Heijns has dropped 23:28 behind the field from Amsterdam 2024 to Rotterdam 2026.
The clock says 20:04 slower, but the races themselves got 3:24 quicker for everyone.
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
3 races · 3 events
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Rotterdam15 Apr 2026Individual Open · Women2:04:26414/462Beat 10%
↑ 552 days after Amsterdam 2024 23:28 worse than the field Why ↓Close ↑
20:04 slower on the clock in a race that was 3:24 faster for everyone: 23:28 lost to the field.
The fieldCompare these two →3:24 faster This athlete20:04 slower -
Amsterdam10 Oct 2024Individual Open · Women1:44:22 PB295/408Beat 28%
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Rotterdam20 May 2023Doubles Open · Women1:35:46 PB145/222Beat 35%