Progress against the field
Anouk Bos - Tjoelker has gained 2:16 on the field from Utrecht 2025 to Maastricht 2026.
Over the same races everyone got 2:06 quicker, so 4:22 faster on the clock looks better than it was.
The biggest step was Utrecht 2025 → Heerenveen 2026: 2:51 on the field in 167 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 Open · Women, the one raced most; every comparison is in the list below.
Every race
7 races · 6 events
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Hamburg28 Oct 2026Individual Open · Women1:15:42 PB19/147Beat 87%
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Maastricht19 Sep 2026Individual Open · Women1:19:2057/577Beat 90%
↑ 128 days after Heerenveen 2026 0:35 worse than the field Why ↓Close ↑
0:35 behind the field: 2:12 slower on the clock, against 1:37 slower for everyone.
The fieldCompare these two →1:37 slower This athlete2:12 slower -
Heerenveen14 May 2026Relay · Mixed1:06:5311/66Beat 83%
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Heerenveen14 May 2026Individual Open · Women1:17:0834/427Beat 92%
↑ 167 days after Utrecht 2025 2:51 better than the field Why ↓Close ↑
6:34 faster on the clock, and the race was 3:43 faster for everyone, so 2:51 of it was this athlete.
The fieldCompare these two →3:43 faster This athlete6:34 faster -
Mechelen26 Mar 2026Doubles Open · Mixed1:05:20 PB36/424Beat 92%
↑ 64 days after Amsterdam 2026, with Fernando Bos 0:31 better than the field Why ↓Close ↑
0:31 better than the field: 1:33 faster on the clock, against 1:02 faster for everyone.
The fieldCompare these two →1:02 faster This pair1:33 faster -
Amsterdam21 Jan 2026Doubles Open · Mixed1:06:5350/506Beat 90%
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Utrecht28 Nov 2025Individual Open · Women1:23:42113/619Beat 82%