Progress against the field
Between Maastricht 2024 and Utrecht 2025, Adrie Jansen pulled 2:48 ahead of the field.
Over the same races everyone got 2:59 quicker, so 5:47 faster on the clock looks better than it was.
The longest gap between two races compared here, 441 days between Maastricht 2024 and Belgium 2025, cost 6:53 on the field.
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 · Men, the one raced most; every comparison is in the list below.
Every race
6 races · 6 events
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Gent12 Dec 2025Doubles Open · Mixed1:33:04 PB734/863Beat 15%
↑ 428 days after Amsterdam 2024, with Susanne Hommen 1:18 worse than the field Faster on the clock, behind the field Why ↓Close ↑
2:39 faster on the clock, yet the race was 3:57 faster for everyone, so 1:18 was lost on the field.
The fieldCompare these two →3:57 faster This pair2:39 faster -
Utrecht28 Nov 2025Individual Open · Men1:32:40 PB354/575Beat 38%
↑ 237 days after Belgium 2025 9:41 better than the field Why ↓Close ↑
9:41 better than the field: 10:04 faster on the clock, against 0:23 faster for everyone.
The fieldCompare these two →0:23 faster This athlete10:04 faster -
Heerenveen9 May 2025Doubles Open · Men1:51:39 PB528/529Beat 0%
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Belgium5 Apr 2025Individual Open · Men1:42:441379/1638Beat 16%
↑ 441 days after Maastricht 2024 6:53 worse than the field Why ↓Close ↑
4:17 slower on the clock in a race that was 2:36 faster for everyone: 6:53 lost to the field.
The fieldCompare these two →2:36 faster This athlete4:17 slower -
Amsterdam10 Oct 2024Doubles Open · Mixed1:35:43543/618Beat 12%
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Maastricht20 Jan 2024Individual Open · Men1:38:27612/781Beat 22%