Progress against the field
From Amsterdam 2026 to Maastricht 2026, the field gained 3:01 on Allison Aantjes.
Over the same races everyone got 1:19 quicker, so 1:42 slower on the clock looks better than it was.
The biggest step was Rotterdam 2026 → Heerenveen 2026: 3:31 on the field 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. The summary above covers Individual Pro · Women, the one raced most; every comparison is in the list below.
Every race
12 races · 10 events
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Gdansk10 Oct 2026Doubles Open · Mixed1:06:29 PB100/852Beat 88%
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Maastricht19 Sep 2026Individual Pro · Women1:22:4553/160Beat 67%
↑ 128 days after Heerenveen 2026 3:19 worse than the field Why ↓Close ↑
4:09 slower on the clock in a race that was 0:50 slower for everyone: 3:19 lost to the field.
The fieldCompare these two →0:50 slower This athlete4:09 slower -
Heerenveen14 May 2026Doubles Pro · Women1:11:03 PB64/231Beat 72%
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Heerenveen14 May 2026Individual Pro · Women1:18:36 PB45/155Beat 71%
↑ 29 days after Rotterdam 2026 3:31 better than the field Why ↓Close ↑
3:31 better than the field: 5:30 faster on the clock, against 1:59 faster for everyone.
The fieldCompare these two →1:59 faster This athlete5:30 faster -
Rotterdam15 Apr 2026Individual Open · Women1:16:03 PB42/695Beat 94%
↑ 341 days after Heerenveen 2025 9:19 better than the field Why ↓Close ↑
9:19 better than the field: 15:06 faster on the clock, against 5:47 faster for everyone.
The fieldCompare these two →5:47 faster This athlete15:06 faster -
Rotterdam15 Apr 2026Individual Pro · Women1:24:0657/128Beat 56%
↑ 84 days after Amsterdam 2026 3:13 worse than the field Why ↓Close ↑
3:13 behind the field: 3:03 slower on the clock, against 0:10 faster for everyone.
The fieldCompare these two →0:10 faster This athlete3:03 slower -
Amsterdam21 Jan 2026Individual Pro · Women1:21:0359/128Beat 54%
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Gent12 Dec 2025Individual Pro · Women1:25:0358/114Beat 49%
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Utrecht28 Nov 2025Individual Pro · Women1:29:0740/113Beat 65%
↑ 70 days after Maastricht 2025 7:52 better than the field Why ↓Close ↑
11:49 faster on the clock, and the race was 3:57 faster for everyone, so 7:52 of it was this athlete.
The fieldCompare these two →3:57 faster This athlete11:49 faster -
Maastricht19 Sep 2025Individual Pro · Women1:40:5682/109Beat 25%
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Heerenveen9 May 2025Individual Open · Women1:31:09206/571Beat 64%
↑ 71 days after Rotterdam 2025 1:52 better than the field Why ↓Close ↑
1:52 better than the field: 4:14 faster on the clock, against 2:22 faster for everyone.
The fieldCompare these two →2:22 faster This athlete4:14 faster -
Rotterdam27 Feb 2025Individual Open · Women1:35:23262/506Beat 48%