Progress against the field
Between Amsterdam 2024 and Maastricht 2025, Judith Waalboer and Bart Meester lost 1:55 to the field.
Over the same races everyone got 1:23 quicker, so 0:32 slower on the clock looks better than it was.
204 days between Rotterdam 2025 and Maastricht 2025 is the longest gap compared here, and the second race was 2:56 behind 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. The summary above covers Doubles Open · Mixed, with Bart Meester, the one raced most; every comparison is in the list below.
Every race
8 races · 8 events
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Maastricht19 Sep 2025Doubles Open · Mixed1:12:5251/364Beat 86%
↑ 204 days after Rotterdam 2025, with Bart Meester 2:56 worse than the field Why ↓Close ↑
2:56 behind the field: 4:43 slower on the clock, against 1:47 slower for everyone.
The fieldCompare these two →1:47 slower This pair4:43 slower -
Heerenveen9 May 2025Doubles Pro · Women1:17:14 PB26/69Beat 62%
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Belgium5 Apr 2025Individual Open · Women1:19:4194/765Beat 88%
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Rotterdam27 Feb 2025Doubles Open · Mixed1:08:09 PB21/353Beat 94%
↑ 140 days after Amsterdam 2024, with Bart Meester 1:01 better than the field Why ↓Close ↑
1:01 better than the field: 4:11 faster on the clock, against 3:10 faster for everyone.
The fieldCompare these two →3:10 faster This pair4:11 faster -
Paris9 Nov 2024Individual Open · Women1:20:48101/747Beat 87%
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Amsterdam10 Oct 2024Doubles Open · Mixed1:12:20114/618Beat 82%
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Rotterdam6 Apr 2024Individual Open · Women1:18:33 PB63/585Beat 89%
↑ 77 days after Maastricht 2024 1:42 better than the field Why ↓Close ↑
4:04 faster on the clock, and the race was 2:22 faster for everyone, so 1:42 of it was this athlete.
The fieldCompare these two →2:22 faster This athlete4:04 faster -
Maastricht20 Jan 2024Individual Open · Women1:22:3768/314Beat 78%