Progress against the field
Between Rotterdam 2025 and Maastricht 2025, Jolienke Colenbrander and Susan Jahnig lost 4:24 to the field.
The clock says 2:18 slower, but the races themselves got 2:06 quicker for everyone.
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
3 races · 3 events
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Amsterdam21 Jan 2026Individual Open · Women1:35:02 PB671/1122Beat 40%
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Maastricht19 Sep 2025Doubles Open · Women1:29:10165/329Beat 50%
↑ 204 days after Rotterdam 2025, with Susan Jahnig 4:24 worse than the field Why ↓Close ↑
4:24 behind the field: 2:18 slower on the clock, against 2:06 faster for everyone.
The fieldCompare these two →2:06 faster This pair2:18 slower -
Rotterdam27 Feb 2025Doubles Open · Women1:26:52 PB324/633Beat 49%