Progress against the field
From Utrecht 2025 to Stockholm 2026, the field gained 1:26 on Sandra Muller.
Over the same races everyone got 2:26 quicker, so 1:00 faster on the clock looks better than it was.
The biggest step was Heerenveen 2026 → Stockholm 2026: 2:49 on the field in 35 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
18 races · 14 events
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Stockholm18 Jun 2026Doubles Pro · Women1:08:32298/689Beat 57%
↑ 148 days after Amsterdam 2026, with Victoria Klaasse 0:00 better than the field Why ↓Close ↑
Moved with the field: 2:10 slower on the clock, against 2:10 slower for everyone.
The fieldCompare these two →2:10 slower This pair2:10 slower -
Stockholm18 Jun 2026Doubles Open · Mixed1:03:34473/825Beat 43%
↑ 188 days after Gent 2025, with Robert Van Der Zanden 1:10 worse than the field Why ↓Close ↑
1:10 behind the field: 1:26 slower on the clock, against 0:16 slower for everyone.
The fieldCompare these two →0:16 slower This pair1:26 slower -
Stockholm18 Jun 2026Individual Pro · Women1:13:52393/751Beat 48%
↑ 35 days after Heerenveen 2026 2:49 better than the field Why ↓Close ↑
0:51 faster on the clock in a race that was 1:58 slower for everyone: 2:49 better than the field.
The fieldCompare these two →1:58 slower This athlete0:51 faster -
Heerenveen14 May 2026Individual Pro · Women1:14:4331/155Beat 80%
↑ 49 days after Mechelen 2026 0:37 worse than the field Why ↓Close ↑
1:11 slower on the clock in a race that was 0:34 slower for everyone: 0:37 lost to the field.
The fieldCompare these two →0:34 slower This athlete1:11 slower -
Mechelen26 Mar 2026Individual Pro · Women1:13:3247/139Beat 66%
↑ 64 days after Amsterdam 2026 1:11 worse than the field Why ↓Close ↑
1:03 slower on the clock in a race that was 0:08 faster for everyone: 1:11 lost to the field.
The fieldCompare these two →0:08 faster This athlete1:03 slower -
Amsterdam21 Jan 2026Doubles Open · Women1:09:54 PB47/1030Beat 95%
↑ 124 days after Maastricht 2025, with Cindy Terwal 1:43 better than the field Why ↓Close ↑
1:43 better than the field: 5:33 faster on the clock, against 3:50 faster for everyone.
The fieldCompare these two →3:50 faster This pair5:33 faster -
Amsterdam21 Jan 2026Doubles Pro · Women1:06:22 PB6/34Beat 82%
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Amsterdam21 Jan 2026Individual Pro · Women1:12:29 PB24/128Beat 81%
↑ 54 days after Utrecht 2025 2:27 worse than the field Faster on the clock, behind the field Why ↓Close ↑
2:23 faster on the clock looks better than it was: the race was 4:50 faster for everyone, which leaves this 2:27 behind the field.
The fieldCompare these two →4:50 faster This athlete2:23 faster -
Poznan13 Dec 2025Doubles Open · Women1:10:3323/468Beat 95%
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Gent12 Dec 2025Doubles Open · Mixed1:02:08 PB30/863Beat 97%
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Utrecht28 Nov 2025Individual Pro · Women1:14:526/67Beat 91%
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Maastricht19 Sep 2025Doubles Open · Women1:15:2739/329Beat 88%
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Heerenveen9 May 2025Individual Open · Women1:08:385/183Beat 97%
↑ 34 days after Belgium 2025 2:58 worse than the field Why ↓Close ↑
1:34 slower on the clock in a race that was 1:24 faster for everyone: 2:58 lost to the field.
The fieldCompare these two →1:24 faster This athlete1:34 slower -
Belgium5 Apr 2025Individual Open · Women1:07:04 PB4/765Beat 100%
↑ 364 days after Rotterdam 2024 0:38 better than the field Why ↓Close ↑
4:29 faster on the clock, and the race was 3:51 faster for everyone, so 0:38 of it was this athlete.
The fieldCompare these two →3:51 faster This athlete4:29 faster -
Amsterdam10 Oct 2024Individual Pro · Women1:17:5414/66Beat 79%
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Rotterdam6 Apr 2024Individual Open · Women1:11:3317/585Beat 97%
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Maastricht20 Jan 2024Individual Pro · Women1:33:1028/35Beat 20%
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World Championships NiceDate unknownIndividual Pro · Women1:19:46313/677Beat 54%