Progress against the field
Between Amsterdam 2024 and Gent 2025, Sonja Schrijvers lost 2:55 to the field.
Over the same races everyone got 9:06 quicker, so 6:11 faster on the clock looks better than it was.
The biggest step was Amsterdam 2024 → Rotterdam 2025: 3:14 on the field in 140 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
9 races · 8 events
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Stockholm18 Jun 2026Doubles Open · Mixed1:19:41714/825Beat 14%
↑ 84 days after Mechelen 2026, with Erik Embrechts 5:16 worse than the field Why ↓Close ↑
7:47 slower on the clock in a race that was 2:31 slower for everyone: 5:16 lost to the field.
The fieldCompare these two →2:31 slower This pair7:47 slower -
Stockholm18 Jun 2026Individual Open · Women1:31:5538/110Beat 66%
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Mechelen26 Mar 2026Doubles Open · Mixed1:11:54 PB224/962Beat 77%
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EMEA London Olympia24 Mar 2026Individual Open · Women1:20:39 PB242/507Beat 52%
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Gent12 Dec 2025Individual Open · Women1:24:47273/1009Beat 73%
↑ 84 days after Maastricht 2025 4:08 worse than the field Faster on the clock, behind the field Why ↓Close ↑
0:07 faster on the clock looks better than it was: the race was 4:15 faster for everyone, which leaves this 4:08 behind the field.
The fieldCompare these two →4:15 faster This athlete0:07 faster -
Maastricht19 Sep 2025Individual Open · Women1:24:54141/590Beat 76%
↑ 167 days after Belgium 2025 2:25 worse than the field Why ↓Close ↑
2:01 slower on the clock in a race that was 0:24 faster for everyone: 2:25 lost to the field.
The fieldCompare these two →0:24 faster This athlete2:01 slower -
Belgium5 Apr 2025Individual Open · Women1:22:53153/765Beat 80%
↑ 37 days after Rotterdam 2025 0:24 better than the field Why ↓Close ↑
0:24 better than the field: 2:02 faster on the clock, against 1:38 faster for everyone.
The fieldCompare these two →1:38 faster This athlete2:02 faster -
Rotterdam27 Feb 2025Individual Open · Women1:24:55118/506Beat 77%
↑ 140 days after Amsterdam 2024 3:14 better than the field Why ↓Close ↑
6:03 faster on the clock, and the race was 2:49 faster for everyone, so 3:14 of it was this athlete.
The fieldCompare these two →2:49 faster This athlete6:03 faster -
Amsterdam10 Oct 2024Individual Open · Women1:30:58281/678Beat 59%