Progress against the field
From Amsterdam 2024 to Rotterdam 2026, the field gained 2:47 on Margriet Jansen and Gerdien Jansen.
Over the same races everyone got 8:06 quicker, so 5:19 faster on the clock looks better than it was.
The longest gap between two races compared here, 344 days between Amsterdam 2024 and Maastricht 2025, cost 2:37 on 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
5 races · 5 events
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Rotterdam15 Apr 2026Doubles Open · Women1:20:34 PB284/936Beat 70%
↑ 208 days after Maastricht 2025, with Gerdien Jansen 0:10 worse than the field Faster on the clock, behind the field Why ↓Close ↑
3:51 faster on the clock looks better than it was: the race was 4:01 faster for everyone, which leaves this 0:10 behind the field.
The fieldCompare these two →4:01 faster This pair3:51 faster -
Amsterdam21 Jan 2026Doubles Open · Mixed1:15:44 PB187/506Beat 63%
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Maastricht19 Sep 2025Doubles Open · Women1:24:25348/739Beat 53%
↑ 344 days after Amsterdam 2024, with Gerdien Jansen 2:37 worse than the field Faster on the clock, behind the field Why ↓Close ↑
1:28 faster on the clock looks better than it was: the race was 4:05 faster for everyone, which leaves this 2:37 behind the field.
The fieldCompare these two →4:05 faster This pair1:28 faster -
Amsterdam10 Oct 2024Doubles Open · Women1:25:53291/657Beat 56%
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Amsterdam4 Nov 2023Individual Open · Women1:50:53 PB325/394Beat 18%