Progress against the field
Callum Macmillan has gained 23:29 on the field from Birmingham 2022 to London Olympia 2026.
Over the same races everyone got 5:06 quicker, so 28:35 faster on the clock looks better than it was.
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
2 races · 2 events
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London Olympia24 Mar 2026Individual Open · Men1:12:31 PB140/716Beat 80%
↑ 1256 days after Birmingham 2022 23:29 better than the field Why ↓Close ↑
28:35 faster on the clock, and the race was 5:06 faster for everyone, so 23:29 of it was this athlete.
The fieldCompare these two →5:06 faster This athlete28:35 faster -
Birmingham15 Oct 2022Individual Open · Men1:41:06775/960Beat 19%