Progress against the field
Stacey Kouwijzer has dropped 5:49 behind the field from Maastricht 2025 to Mechelen 2026.
The clock says 0:01 faster, but the races themselves got 5:50 quicker for everyone.
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
22 races · 20 events
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Maastricht19 Sep 2026Doubles Open · Mixed1:13:01 PB148/687Beat 79%
↑ 157 days after Rotterdam 2026, with Niek de Visser 2:11 better than the field Why ↓Close ↑
The race was 0:13 slower for everyone and the clock still says 1:58 faster: 2:11 gained on the field.
The fieldCompare these two →0:13 slower This pair1:58 faster -
Heerenveen14 May 2026Doubles Pro · Women1:20:27 PB131/231Beat 43%
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Rotterdam15 Apr 2026Doubles Open · Mixed1:14:59250/1047Beat 76%
↑ 138 days after Utrecht 2025, with Niek de Visser 3:10 worse than the field Faster on the clock, behind the field Why ↓Close ↑
1:06 faster on the clock, yet the race was 4:16 faster for everyone, so 3:10 was lost on the field.
The fieldCompare these two →4:16 faster This pair1:06 faster -
Mechelen26 Mar 2026Relay · Women1:05:002/53Beat 96%
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Mechelen26 Mar 2026Individual Open · Women1:32:38164/300Beat 45%
↑ 188 days after Maastricht 2025 5:49 worse than the field Faster on the clock, behind the field Why ↓Close ↑
0:01 faster on the clock, yet the race was 5:50 faster for everyone, so 5:49 was lost on the field.
The fieldCompare these two →5:50 faster This athlete0:01 faster -
Amsterdam21 Jan 2026Individual Pro · Women1:51:0849/53Beat 8%
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Gent12 Dec 2025Relay · Women1:13:131/31Beat 97%
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Utrecht28 Nov 2025Doubles Open · Mixed1:16:05154/701Beat 78%
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Maastricht19 Sep 2025Individual Open · Women1:32:39266/590Beat 55%
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Belgium5 Apr 2025Individual Pro · Women1:39:2665/77Beat 16%
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Belgium5 Apr 2025Relay · Women1:08:522/19Beat 90%
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Rotterdam27 Feb 2025Individual Pro · Women1:37:59 PB52/77Beat 33%
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Paris9 Nov 2024Individual Open · Women1:36:01387/747Beat 48%
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Rotterdam6 Apr 2024Individual Open · Women1:31:35248/585Beat 58%
↑ 77 days after Maastricht 2024 0:03 better than the field Why ↓Close ↑
Moved with the field: 2:25 faster on the clock, against 2:22 faster for everyone.
The fieldCompare these two →2:22 faster This athlete2:25 faster -
Maastricht20 Jan 2024Individual Open · Women1:34:00182/314Beat 42%
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Hamburg18 Nov 2023Individual Open · Women1:33:10226/354Beat 36%
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Amsterdam4 Nov 2023Individual Open · Women1:39:41243/394Beat 38%
↑ 168 days after Rotterdam 2023 5:29 worse than the field Why ↓Close ↑
5:29 behind the field: 3:37 slower on the clock, against 1:52 faster for everyone.
The fieldCompare these two →1:52 faster This athlete3:37 slower -
Rotterdam20 May 2023Individual Open · Women1:36:04134/290Beat 54%
↑ 119 days after Maastricht European Championships 2023 3:26 better than the field Why ↓Close ↑
3:26 better than the field: 3:47 faster on the clock, against 0:21 faster for everyone.
The fieldCompare these two →0:21 faster This athlete3:47 faster -
Maastricht European Championships21 Jan 2023Individual Open · Women1:39:51199/258Beat 23%
↑ 91 days after Amsterdam 2022 4:31 worse than the field Why ↓Close ↑
2:01 slower on the clock in a race that was 2:30 faster for everyone: 4:31 lost to the field.
The fieldCompare these two →2:30 faster This athlete2:01 slower -
Amsterdam22 Oct 2022Individual Open · Women1:37:50140/218Beat 36%
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BudapestDate unknownIndividual Open · Women1:29:14 PB151/390Beat 61%
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KölnDate unknownIndividual Open · Women1:43:13148/185Beat 20%