Progress against the field
From Rotterdam 2025 to Rotterdam 2026, Ilana Kooiman and Dionne Smits have moved with the field: what changed on the clock changed for everyone.
Over the same races everyone got 4:07 quicker, so 4:17 faster on the clock looks better than it was.
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
4 races · 4 events
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Rotterdam15 Apr 2026Doubles Open · Women1:19:58108/472Beat 77%
↑ 412 days after Rotterdam 2025, with Dionne Smits 0:10 better than the field Why ↓Close ↑
0:10 better than the field: 4:17 faster on the clock, against 4:07 faster for everyone.
The fieldCompare these two →4:07 faster This pair4:17 faster -
Amsterdam21 Jan 2026Individual Open · Women1:27:11 PB395/1122Beat 65%
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Gent12 Dec 2025Doubles Open · Women1:17:29 PB150/882Beat 83%
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Rotterdam27 Feb 2025Doubles Open · Women1:24:15119/272Beat 56%