Progress against the field
Between Amsterdam 2023 and Rotterdam 2025, Sanne Wenink and Senna Denslagen pulled 3:41 ahead of the field.
The clock says 9:40 faster, but the races themselves got 5:59 quicker for everyone.
The largest gain on the field came from Amsterdam 2023 → Rotterdam 2024: 3:55 in 154 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. The summary above covers Doubles Open · Women, with Senna Denslagen, the one raced most; every comparison is in the list below.
Every race
8 races · 8 events
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Maastricht19 Sep 2026Doubles Pro · Women1:33:26167/204Beat 18%
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Berlin22 May 2026Doubles Open · Mixed1:15:27327/953Beat 66%
↑ 121 days after Amsterdam 2026, with Jip Koolen 3:31 worse than the field Why ↓Close ↑
3:31 behind the field: 5:12 slower on the clock, against 1:41 slower for everyone.
The fieldCompare these two →1:41 slower This pair5:12 slower -
Amsterdam21 Jan 2026Doubles Open · Mixed1:10:15 PB90/496Beat 82%
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Utrecht28 Nov 2025Doubles Pro · Women1:25:22 PB63/102Beat 38%
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Berlin16 May 2025Doubles Pro · Women1:25:40153/197Beat 22%
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Rotterdam27 Feb 2025Doubles Open · Women1:19:35 PB131/633Beat 79%
↑ 327 days after Rotterdam 2024, with Senna Denslagen 0:14 worse than the field Faster on the clock, behind the field Why ↓Close ↑
3:54 faster on the clock looks better than it was: the race was 4:08 faster for everyone, which leaves this 0:14 behind the field.
The fieldCompare these two →4:08 faster This pair3:54 faster -
Rotterdam6 Apr 2024Doubles Open · Women1:23:29174/564Beat 69%
↑ 154 days after Amsterdam 2023, with Senna Denslagen 3:55 better than the field Why ↓Close ↑
5:46 faster on the clock, and the race was 1:51 faster for everyone, so 3:55 of it was this pair.
The fieldCompare these two →1:51 faster This pair5:46 faster -
Amsterdam4 Nov 2023Doubles Open · Women1:29:15184/319Beat 42%