Progress against the field
John van Teijen has gained 8:38 on the field from Heerenveen 2025 to Heerenveen 2026.
Over the same races everyone got 7:13 quicker, so 15:51 faster on the clock looks better than it was.
The longest gap between two races compared here, 203 days between Heerenveen 2025 and Utrecht 2025, still ended 3:14 ahead of 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 · Men1:16:50 PB156/490Beat 68%
↑ 29 days after Rotterdam 2026 4:03 better than the field Why ↓Close ↑
5:50 faster on the clock, and the race was 1:47 faster for everyone, so 4:03 of it was this athlete.
The fieldCompare these two →1:47 faster This athlete5:50 faster -
Rotterdam15 Apr 2026Individual Open · Men1:22:40480/1192Beat 60%
↑ 138 days after Utrecht 2025 1:21 better than the field Why ↓Close ↑
6:40 faster on the clock, and the race was 5:19 faster for everyone, so 1:21 of it was this athlete.
The fieldCompare these two →5:19 faster This athlete6:40 faster -
Utrecht28 Nov 2025Individual Open · Men1:29:20699/1337Beat 48%
↑ 203 days after Heerenveen 2025 3:14 better than the field Why ↓Close ↑
3:21 faster on the clock, and the race was 0:07 faster for everyone, so 3:14 of it was this athlete.
The fieldCompare these two →0:07 faster This athlete3:21 faster -
Heerenveen9 May 2025Individual Open · Men1:32:41847/1217Beat 30%