Progress against the field
From Rotterdam 2024 to Stockholm 2025, Gerwin Witlox got 15:37 faster than the field.
The clock says 28:32 faster, but the races themselves got 12:55 quicker for everyone.
The longest gap between two races compared here, 327 days between Rotterdam 2024 and Rotterdam 2025, still ended 15:50 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
3 races · 3 events
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Stockholm18 Dec 2025Individual Open · Men1:17:36 PB418/1315Beat 68%
↑ 294 days after Rotterdam 2025 0:13 worse than the field Faster on the clock, behind the field Why ↓Close ↑
6:08 faster on the clock looks better than it was: the race was 6:21 faster for everyone, which leaves this 0:13 behind the field.
The fieldCompare these two →6:21 faster This athlete6:08 faster -
Rotterdam27 Feb 2025Individual Open · Men1:23:44238/584Beat 59%
↑ 327 days after Rotterdam 2024 15:50 better than the field Why ↓Close ↑
22:24 faster on the clock, and the race was 6:34 faster for everyone, so 15:50 of it was this athlete.
The fieldCompare these two →6:34 faster This athlete22:24 faster -
Rotterdam6 Apr 2024Individual Open · Men1:46:081143/1380Beat 17%