Progress against the field
From Rotterdam 2026 to Maastricht 2026, Amy de Letter got 1:13 faster than the field.
Over the same races everyone got 1:42 quicker, so 2:55 faster on the clock looks better than it was.
The largest gain on the field came from Rotterdam 2026 → Heerenveen 2026: 3:25 in 29 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.
Every race
3 races · 3 events
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Maastricht19 Sep 2026Individual Open · Women1:47:50444/577Beat 23%
↑ 128 days after Heerenveen 2026 2:12 worse than the field Why ↓Close ↑
3:49 slower on the clock in a race that was 1:37 slower for everyone: 2:12 lost to the field.
The fieldCompare these two →1:37 slower This athlete3:49 slower -
Heerenveen14 May 2026Individual Open · Women1:44:01 PB307/427Beat 28%
↑ 29 days after Rotterdam 2026 3:25 better than the field Why ↓Close ↑
3:25 better than the field: 6:44 faster on the clock, against 3:19 faster for everyone.
The fieldCompare these two →3:19 faster This athlete6:44 faster -
Rotterdam15 Apr 2026Individual Open · Women1:50:45562/695Beat 19%