Progress against the field
From Paris 1 2025 to Heerenveen 2026, the field gained 6:36 on Jan Simons.
Over the same races everyone got 4:35 quicker, so 2:01 slower on the clock looks better than it was.
The longest gap between two races compared here, 237 days between Maastricht 2025 and Heerenveen 2026, cost 6:36 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
7 races · 7 events
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Maastricht19 Sep 2026Doubles Pro · Men59:56 PB53/316Beat 83%
↑ 93 days after Stockholm 2026, with Kristof Corthals 0:00 better than the field Why ↓Close ↑
Moved with the field: 1:26 faster on the clock, against 1:26 faster for everyone.
The fieldCompare these two →1:26 faster This pair1:26 faster -
Stockholm18 Jun 2026Doubles Pro · Men1:01:22428/704Beat 39%
↑ 84 days after Mechelen 2026, with Kristof Corthals 0:28 better than the field Slower on the clock, ahead of the field Why ↓Close ↑
1:04 slower on the clock, but the race was 1:32 slower for everyone, so this was 0:28 better than the field.
The fieldCompare these two →1:32 slower This pair1:04 slower -
Heerenveen14 May 2026Individual Open · Men1:12:01160/966Beat 83%
↑ 237 days after Maastricht 2025 6:36 worse than the field Faster on the clock, behind the field Why ↓Close ↑
1:37 faster on the clock, yet the race was 8:13 faster for everyone, so 6:36 was lost on the field.
The fieldCompare these two →8:13 faster This athlete1:37 faster -
Mechelen26 Mar 2026Doubles Pro · Men1:00:18135/493Beat 73%
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EMEA London Olympia24 Mar 2026Doubles Open · Men57:09 PB90/455Beat 80%
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Maastricht19 Sep 2025Individual Open · Men1:13:38148/1352Beat 89%
↑ 154 days after Paris 1 2025 0:00 better than the field Why ↓Close ↑
Moved with the field: 3:38 slower on the clock, against 3:38 slower for everyone.
The fieldCompare these two →3:38 slower This athlete3:38 slower -
Paris 118 Apr 2025Individual Open · Men1:10:00 PB195/1422Beat 86%