Progress against the field
Between Maastricht 2022 and Rotterdam 2024, Marlous Jansen-Joosten pulled 8:44 ahead of the field.
Over the same races everyone got 7:49 quicker, so 16:33 faster on the clock looks better than it was.
The biggest step was Maastricht 2022 → Amsterdam 2022: 8:03 on the field in 231 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
5 races · 5 events
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Mechelen26 Mar 2026Individual Pro · Women1:56:51 PB135/139Beat 3%
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Amsterdam10 Oct 2024Relay · Mixed1:10:525/19Beat 74%
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Rotterdam6 Apr 2024Individual Open · Women1:24:48 PB138/585Beat 76%
↑ 532 days after Amsterdam 2022 0:41 better than the field Why ↓Close ↑
3:17 faster on the clock, and the race was 2:36 faster for everyone, so 0:41 of it was this athlete.
The fieldCompare these two →2:36 faster This athlete3:17 faster -
Amsterdam22 Oct 2022Individual Open · Women1:28:0587/218Beat 60%
↑ 231 days after Maastricht 2022 8:03 better than the field Why ↓Close ↑
13:16 faster on the clock, and the race was 5:13 faster for everyone, so 8:03 of it was this athlete.
The fieldCompare these two →5:13 faster This athlete13:16 faster -
Maastricht5 Mar 2022Individual Open · Women1:41:2179/94Beat 16%