Progress against the field
Between London Excel 2025 and Birmingham 2026, Bill Bird lost 9:15 to the field.
Over the same races everyone got 2:39 quicker, so 6:36 slower on the clock looks better than it was.
198 days between Malaga 2026 and Birmingham 2026 is the longest gap compared here, and the second race was 7:02 behind 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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Birmingham31 Oct 2026Individual Open · Men1:33:41498/693Beat 28%
↑ 198 days after Malaga 2026 7:02 worse than the field Why ↓Close ↑
6:41 slower on the clock in a race that was 0:21 faster for everyone: 7:02 lost to the field.
The fieldCompare these two →0:21 faster This athlete6:41 slower -
Malaga16 Apr 2026Individual Open · Men1:27:00 PB744/1036Beat 28%
↑ 133 days after London Excel 2025 2:13 worse than the field Faster on the clock, behind the field Why ↓Close ↑
0:05 faster on the clock, yet the race was 2:18 faster for everyone, so 2:13 was lost on the field.
The fieldCompare these two →2:18 faster This athlete0:05 faster -
London Olympia24 Mar 2026Doubles Pro · Men1:19:29 PB427/484Beat 12%
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London Excel4 Dec 2025Individual Open · Men1:27:051656/2771Beat 40%