Progress against the field
Between Amsterdam 2023 and Amsterdam 2024, Laura De roo and Joëlle Bianchi pulled 4:51 ahead of the field.
The clock says 9:50 faster, but the races themselves got 4:59 quicker for everyone.
The largest gain on the field came from Amsterdam 2023 → Rotterdam 2024: 5:20 in 154 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. The summary above covers Doubles Open · Women, with Joëlle Bianchi, the one raced most; every comparison is in the list below.
Every race
7 races · 7 events
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Heerenveen14 May 2026Doubles Open · Mixed1:14:59253/808Beat 69%
↑ 370 days after Heerenveen 2025, with Dion Dinkelaar 4:22 worse than the field Why ↓Close ↑
4:22 behind the field: 0:57 slower on the clock, against 3:25 faster for everyone.
The fieldCompare these two →3:25 faster This pair0:57 slower -
Heerenveen9 May 2025Doubles Open · Mixed1:14:02 PB91/492Beat 82%
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Cologne10 Apr 2025Doubles Open · Mixed1:20:3081/142Beat 43%
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Rotterdam27 Feb 2025Doubles Open · Women1:23:20222/633Beat 65%
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Amsterdam10 Oct 2024Doubles Open · Women1:15:05 PB64/657Beat 90%
↑ 187 days after Rotterdam 2024, with Joëlle Bianchi 0:29 worse than the field Faster on the clock, behind the field Why ↓Close ↑
2:39 faster on the clock looks better than it was: the race was 3:08 faster for everyone, which leaves this 0:29 behind the field.
The fieldCompare these two →3:08 faster This pair2:39 faster -
Rotterdam6 Apr 2024Doubles Open · Women1:17:4470/564Beat 88%
↑ 154 days after Amsterdam 2023, with Joëlle Bianchi 5:20 better than the field Why ↓Close ↑
7:11 faster on the clock, and the race was 1:51 faster for everyone, so 5:20 of it was this pair.
The fieldCompare these two →1:51 faster This pair7:11 faster -
Amsterdam4 Nov 2023Doubles Open · Women1:24:55125/319Beat 61%