Progress against the field
From Rotterdam 2023 to Rotterdam 2024, Marie Louise Kempeneers and Quinty de Roos got 17:02 faster than the field.
Over the same races everyone got 3:51 quicker, so 20:53 faster on the clock looks better than it was.
The biggest step was Rotterdam 2023 → Amsterdam 2023: 22:32 on the field in 168 days.
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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Belgium5 Apr 2025Doubles Pro · Women1:22:51 PB43/69Beat 38%
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Rotterdam6 Apr 2024Doubles Open · Women1:23:35176/564Beat 69%
↑ 154 days after Amsterdam 2023, with Quinty de Roos 5:30 worse than the field Why ↓Close ↑
5:30 behind the field: 3:39 slower on the clock, against 1:51 faster for everyone.
The fieldCompare these two →1:51 faster This pair3:39 slower -
Amsterdam4 Nov 2023Doubles Open · Women1:19:56 PB75/319Beat 77%
↑ 168 days after Rotterdam 2023, with Quinty de Roos 22:32 better than the field Why ↓Close ↑
22:32 better than the field: 24:32 faster on the clock, against 2:00 faster for everyone.
The fieldCompare these two →2:00 faster This pair24:32 faster -
Rotterdam20 May 2023Doubles Open · Women1:44:28190/222Beat 14%