Progress against the field
Marc Gledhill has dropped 19:43 behind the field from London 2024 to Birmingham 2025.
Over the same races everyone got 3:07 quicker, so 16:36 slower on the clock looks better than it was.
The longest gap between two races compared here, 200 days between Belgium 2025 and Birmingham 2025, cost 13:37 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
4 races · 4 events
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Vienna6 Feb 2026Individual Open · Men1:29:05 PB788/1311Beat 40%
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Birmingham22 Oct 2025Individual Open · Men1:47:13455/523Beat 13%
↑ 200 days after Belgium 2025 13:37 worse than the field Why ↓Close ↑
13:37 behind the field: 13:35 slower on the clock, against 0:02 faster for everyone.
The fieldCompare these two →0:02 faster This athlete13:35 slower -
Belgium5 Apr 2025Individual Open · Men1:33:381135/1638Beat 31%
↑ 127 days after London 2024 6:06 worse than the field Why ↓Close ↑
3:01 slower on the clock in a race that was 3:05 faster for everyone: 6:06 lost to the field.
The fieldCompare these two →3:05 faster This athlete3:01 slower -
London29 Nov 2024Individual Open · Men1:30:371020/1637Beat 38%