Progress against the field
From Rotterdam 2024 to Heerenveen 2026, the field gained 4:19 on Lars De Vries.
Over the same races everyone got 11:34 quicker, so 7:15 faster on the clock looks better than it was.
739 days between Rotterdam 2024 and Rotterdam 2026 is the longest gap compared here, and the second race was 14:32 behind 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
5 races · 5 events
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Heerenveen14 May 2026Individual Open · Men1:17:27 PB295/966Beat 70%
↑ 29 days after Rotterdam 2026 10:13 better than the field Why ↓Close ↑
12:00 faster on the clock, and the race was 1:47 faster for everyone, so 10:13 of it was this athlete.
The fieldCompare these two →1:47 faster This athlete12:00 faster -
Rotterdam15 Apr 2026Individual Open · Men1:29:27253/401Beat 37%
↑ 739 days after Rotterdam 2024 14:32 worse than the field Why ↓Close ↑
14:32 behind the field: 4:45 slower on the clock, against 9:47 faster for everyone.
The fieldCompare these two →9:47 faster This athlete4:45 slower -
Heerenveen9 May 2025Doubles Open · Mixed1:20:05 PB108/250Beat 57%
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Rotterdam27 Feb 2025Doubles Open · Men1:08:40 PB74/335Beat 78%
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Rotterdam6 Apr 2024Individual Open · Men1:24:42407/1380Beat 71%