Progress against the field
From Amsterdam 2024 to Mechelen 2026, the field gained 4:38 on Mirjam van der Laag and Marco Tamis.
Over the same races everyone got 7:35 quicker, so 2:57 faster on the clock looks better than it was.
The biggest step was Maastricht 2025 → Amsterdam 2026: 3:13 on the field in 124 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 Doubles Open · Mixed, with Marco Tamis, the one raced most; every comparison is in the list below.
Every race
10 races · 10 events
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Heerenveen14 May 2026Doubles Pro · Women1:22:23 PB140/231Beat 39%
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Rotterdam15 Apr 2026Individual Open · Women1:34:14185/485Beat 62%
↑ 124 days after Gent 2025 5:41 worse than the field Why ↓Close ↑
5:41 behind the field: 3:37 slower on the clock, against 2:04 faster for everyone.
The fieldCompare these two →2:04 faster This athlete3:37 slower -
Mechelen26 Mar 2026Doubles Open · Mixed1:14:59318/962Beat 67%
↑ 64 days after Amsterdam 2026, with Marco Tamis 1:17 worse than the field Why ↓Close ↑
0:15 slower on the clock in a race that was 1:02 faster for everyone: 1:17 lost to the field.
The fieldCompare these two →1:02 faster This pair0:15 slower -
Amsterdam21 Jan 2026Doubles Open · Mixed1:14:44 PB142/496Beat 71%
↑ 124 days after Maastricht 2025, with Marco Tamis 3:13 better than the field Why ↓Close ↑
10:03 faster on the clock, and the race was 6:50 faster for everyone, so 3:13 of it was this pair.
The fieldCompare these two →6:50 faster This pair10:03 faster -
Gent12 Dec 2025Individual Open · Women1:30:37 PB418/1009Beat 59%
↑ 217 days after Heerenveen 2025 0:12 better than the field Why ↓Close ↑
4:39 faster on the clock, and the race was 4:27 faster for everyone, so 0:12 of it was this athlete.
The fieldCompare these two →4:27 faster This athlete4:39 faster -
Utrecht28 Nov 2025Doubles Open · Mixed1:27:02222/381Beat 42%
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Maastricht19 Sep 2025Doubles Open · Mixed1:24:47187/364Beat 49%
↑ 167 days after Belgium 2025, with Marco Tamis 4:09 worse than the field Why ↓Close ↑
4:58 slower on the clock in a race that was 0:49 slower for everyone: 4:09 lost to the field.
The fieldCompare these two →0:49 slower This pair4:58 slower -
Heerenveen9 May 2025Individual Open · Women1:35:16279/571Beat 51%
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Belgium5 Apr 2025Doubles Open · Mixed1:19:49338/722Beat 53%
↑ 177 days after Amsterdam 2024, with Marco Tamis 2:25 worse than the field Why ↓Close ↑
2:25 behind the field: 1:53 slower on the clock, against 0:32 faster for everyone.
The fieldCompare these two →0:32 faster This pair1:53 slower -
Amsterdam10 Oct 2024Doubles Open · Mixed1:17:56236/618Beat 62%