Progress against the field
Between London 2024 and London Olympia 2026, Dave Leatham lost 7:25 to the field.
Over the same races everyone got 8:19 quicker, so 0:54 faster on the clock looks better than it was.
The longest gap between two races compared here, 327 days between London 2024 and Birmingham 2025, cost 8:12 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
5 races · 5 events
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London Olympia24 Mar 2026Individual Open · Men1:23:01 PB398/897Beat 56%
↑ 153 days after Birmingham 2025 0:47 better than the field Why ↓Close ↑
5:50 faster on the clock, and the race was 5:03 faster for everyone, so 0:47 of it was this athlete.
The fieldCompare these two →5:03 faster This athlete5:50 faster -
London Excel4 Dec 2025Individual Pro · Men1:31:10 PB403/462Beat 13%
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Birmingham22 Oct 2025Individual Open · Men1:28:511103/1821Beat 39%
↑ 327 days after London 2024 8:12 worse than the field Why ↓Close ↑
8:12 behind the field: 4:56 slower on the clock, against 3:16 faster for everyone.
The fieldCompare these two →3:16 faster This athlete4:56 slower -
London3 May 2025Doubles Pro · Men1:11:28 PB172/236Beat 27%
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London29 Nov 2024Individual Open · Men1:23:55727/1637Beat 56%