Progress against the field
From Utrecht 2025 to Heerenveen 2026, the field gained 1:32 on Ilona Schuurman-kappert.
The clock says 7:25 faster, but the races themselves got 8:57 quicker for everyone.
The biggest step was Utrecht 2025 → Amsterdam 2026: 3:21 on the field in 54 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
4 races · 4 events
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Heerenveen14 May 2026Individual Open · Women1:15:2817/205Beat 92%
↑ 29 days after Rotterdam 2026 3:02 worse than the field Faster on the clock, behind the field Why ↓Close ↑
0:17 faster on the clock looks better than it was: the race was 3:19 faster for everyone, which leaves this 3:02 behind the field.
The fieldCompare these two →3:19 faster This athlete0:17 faster -
Rotterdam15 Apr 2026Individual Open · Women1:15:4514/236Beat 94%
↑ 84 days after Amsterdam 2026 1:51 worse than the field Why ↓Close ↑
1:51 behind the field: 1:37 slower on the clock, against 0:14 faster for everyone.
The fieldCompare these two →0:14 faster This athlete1:37 slower -
Amsterdam21 Jan 2026Individual Open · Women1:14:08 PB14/288Beat 95%
↑ 54 days after Utrecht 2025 3:21 better than the field Why ↓Close ↑
3:21 better than the field: 8:45 faster on the clock, against 5:24 faster for everyone.
The fieldCompare these two →5:24 faster This athlete8:45 faster -
Utrecht28 Nov 2025Individual Open · Women1:22:53103/619Beat 83%