Progress against the field
Between Glasgow 2025 and London Excel 2025, Keith Chaney pulled 13:12 ahead of the field.
The clock says 17:17 faster, but the races themselves got 4:05 quicker for everyone.
The longest gap between two races compared here, 224 days between Glasgow 2025 and Birmingham 2025, still ended 11:17 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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London Excel4 Dec 2025Individual Open · Men1:11:41 PB472/2771Beat 83%
↑ 43 days after Birmingham 2025 1:55 better than the field Why ↓Close ↑
1:55 better than the field: 4:57 faster on the clock, against 3:02 faster for everyone.
The fieldCompare these two →3:02 faster This athlete4:57 faster -
Birmingham22 Oct 2025Individual Open · Men1:16:38493/1821Beat 73%
↑ 224 days after Glasgow 2025 11:17 better than the field Why ↓Close ↑
12:20 faster on the clock, and the race was 1:03 faster for everyone, so 11:17 of it was this athlete.
The fieldCompare these two →1:03 faster This athlete12:20 faster -
Glasgow12 Mar 2025Individual Open · Men1:28:581035/1588Beat 35%