Progress against the field
Between Glasgow 2025 and Birmingham 2026, Kirsty Cooper lost 5:55 to the field.
Over the same races everyone got 9:28 quicker, so 3:33 faster on the clock looks better than it was.
The longest gap between two races compared here, 221 days between London Olympia 2026 and Birmingham 2026, cost 8:46 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
8 races · 8 events
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Birmingham31 Oct 2026Individual Open · Women1:31:55262/545Beat 52%
↑ 221 days after London Olympia 2026 8:46 worse than the field Why ↓Close ↑
7:30 slower on the clock in a race that was 1:16 faster for everyone: 8:46 lost to the field.
The fieldCompare these two →1:16 faster This athlete7:30 slower -
London Olympia24 Mar 2026Individual Open · Women1:24:25 PB138/493Beat 72%
↑ 110 days after London Excel 2025 4:58 better than the field Why ↓Close ↑
4:58 better than the field: 6:22 faster on the clock, against 1:24 faster for everyone.
The fieldCompare these two →1:24 faster This athlete6:22 faster -
Glasgow11 Mar 2026Doubles Open · Women1:29:18 PB245/487Beat 50%
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London Excel4 Dec 2025Individual Open · Women1:30:47617/1379Beat 55%
↑ 43 days after Birmingham 2025 0:24 worse than the field Faster on the clock, behind the field Why ↓Close ↑
2:40 faster on the clock looks better than it was: the race was 3:04 faster for everyone, which leaves this 0:24 behind the field.
The fieldCompare these two →3:04 faster This athlete2:40 faster -
Dublin12 Nov 2025Doubles Open · Mixed1:36:05 PB525/594Beat 12%
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Birmingham22 Oct 2025Individual Open · Women1:33:27186/380Beat 51%
↑ 145 days after Cardiff 2025 5:46 worse than the field Why ↓Close ↑
5:46 behind the field: 4:00 slower on the clock, against 1:46 faster for everyone.
The fieldCompare these two →1:46 faster This athlete4:00 slower -
Cardiff30 May 2025Individual Open · Women1:29:27286/587Beat 51%
↑ 79 days after Glasgow 2025 4:03 better than the field Why ↓Close ↑
4:03 better than the field: 6:01 faster on the clock, against 1:58 faster for everyone.
The fieldCompare these two →1:58 faster This athlete6:01 faster -
Glasgow12 Mar 2025Individual Open · Women1:35:28383/649Beat 41%