Progress against the field
From Frankfurt 2024 to Heerenveen 2026, the field gained 15:05 on Jos de leeuw.
Over the same races everyone got 10:39 quicker, so 4:26 slower on the clock looks better than it was.
203 days between Heerenveen 2025 and Utrecht 2025 is the longest gap compared here, and the second race was 27:48 better than 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.
Every race
4 races · 4 events
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Heerenveen14 May 2026Individual Open · Men1:40:11807/966Beat 17%
↑ 167 days after Utrecht 2025 5:08 better than the field Why ↓Close ↑
5:08 better than the field: 12:15 faster on the clock, against 7:07 faster for everyone.
The fieldCompare these two →7:07 faster This athlete12:15 faster -
Utrecht28 Nov 2025Individual Open · Men1:52:261191/1337Beat 11%
↑ 203 days after Heerenveen 2025 27:48 better than the field Why ↓Close ↑
27:48 better than the field: 27:55 faster on the clock, against 0:07 faster for everyone.
The fieldCompare these two →0:07 faster This athlete27:55 faster -
Heerenveen9 May 2025Individual Open · Men2:20:211212/1217Beat 0%
↑ 146 days after Frankfurt 2024 48:01 worse than the field Why ↓Close ↑
48:01 behind the field: 44:36 slower on the clock, against 3:25 faster for everyone.
The fieldCompare these two →3:25 faster This athlete44:36 slower -
Frankfurt14 Dec 2024Individual Open · Men1:35:45 PB1122/1480Beat 24%