Progress against the field
Ralph Visser has dropped 2:30 behind the field from Rotterdam 2024 to Heerenveen 2026.
Over the same races everyone got 13:09 quicker, so 10:39 faster on the clock looks better than it was.
The longest gap between two races compared here, 398 days between Rotterdam 2024 and Heerenveen 2025, cost 6:58 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.
Every race
3 races · 3 events
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Heerenveen14 May 2026Individual Open · Men1:32:41 PB693/966Beat 28%
↑ 370 days after Heerenveen 2025 4:28 better than the field Why ↓Close ↑
9:18 faster on the clock, and the race was 4:50 faster for everyone, so 4:28 of it was this athlete.
The fieldCompare these two →4:50 faster This athlete9:18 faster -
Heerenveen9 May 2025Individual Open · Men1:41:591049/1217Beat 14%
↑ 398 days after Rotterdam 2024 6:58 worse than the field Faster on the clock, behind the field Why ↓Close ↑
1:21 faster on the clock looks better than it was: the race was 8:19 faster for everyone, which leaves this 6:58 behind the field.
The fieldCompare these two →8:19 faster This athlete1:21 faster -
Rotterdam6 Apr 2024Individual Open · Men1:43:201090/1380Beat 21%