Progress against the field
Shanice Booij has dropped 9:32 behind the field from Rotterdam 2025 to Amsterdam 2026.
The clock says 2:22 slower, but the races themselves got 7:10 quicker for everyone.
The longest gap between two races compared here, 257 days between Heerenveen 2025 and Amsterdam 2026, cost 8:51 on the field.
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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Amsterdam21 Jan 2026Individual Open · Women1:29:48491/1122Beat 56%
↑ 257 days after Heerenveen 2025 8:51 worse than the field Why ↓Close ↑
4:03 slower on the clock in a race that was 4:48 faster for everyone: 8:51 lost to the field.
The fieldCompare these two →4:48 faster This athlete4:03 slower -
Heerenveen9 May 2025Individual Open · Women1:25:45 PB128/571Beat 78%
↑ 71 days after Rotterdam 2025 0:41 worse than the field Faster on the clock, behind the field Why ↓Close ↑
1:41 faster on the clock looks better than it was: the race was 2:22 faster for everyone, which leaves this 0:41 behind the field.
The fieldCompare these two →2:22 faster This athlete1:41 faster -
Rotterdam27 Feb 2025Individual Open · Women1:27:26146/506Beat 71%
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Amsterdam10 Oct 2024Doubles Open · Women1:32:28 PB439/657Beat 33%