Progress against the field
Between Maastricht 2025 and Rotterdam 2026, Juultje Kersten and Ilse Kersten lost 6:54 to the field.
The clock says 2:53 slower, but the races themselves got 4:01 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 · 2 events
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Rotterdam15 Apr 2026Doubles Open · Women1:33:10701/936Beat 25%
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Rotterdam15 Apr 2026Doubles Open · Women1:30:34274/466Beat 41%
↑ 208 days after Maastricht 2025, with Ilse Kersten 6:54 worse than the field Why ↓Close ↑
6:54 behind the field: 2:53 slower on the clock, against 4:01 faster for everyone.
The fieldCompare these two →4:01 faster This pair2:53 slower -
Maastricht19 Sep 2025Doubles Open · Women1:27:41 PB422/739Beat 43%