Progress against the field
From Birmingham 2024 to Birmingham 2026, the field gained 3:19 on Caroline Herron.
Over the same races everyone got 12:32 quicker, so 9:13 faster on the clock looks better than it was.
353 days between Dublin 2025 and Birmingham 2026 is the longest gap compared here, and the second race was 1:16 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
6 races · 6 events
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Birmingham31 Oct 2026Individual Open · Women1:20:31 PB89/547Beat 84%
↑ 353 days after Dublin 2025 1:16 worse than the field Faster on the clock, behind the field Why ↓Close ↑
2:04 faster on the clock looks better than it was: the race was 3:20 faster for everyone, which leaves this 1:16 behind the field.
The fieldCompare these two →3:20 faster This athlete2:04 faster -
Glasgow11 Mar 2026Individual Pro · Women1:28:51 PB49/75Beat 35%
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Dublin12 Nov 2025Individual Open · Women1:22:35102/423Beat 76%
↑ 193 days after London 2025 2:03 worse than the field Faster on the clock, behind the field Why ↓Close ↑
2:09 faster on the clock, yet the race was 4:12 faster for everyone, so 2:03 was lost on the field.
The fieldCompare these two →4:12 faster This athlete2:09 faster -
Oslo26 Sep 2025Doubles Pro · Women1:14:10 PB26/75Beat 65%
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London3 May 2025Individual Open · Women1:24:44438/1368Beat 68%
↑ 190 days after Birmingham 2024 0:00 better than the field Why ↓Close ↑
5:00 faster on the clock, and the race was 5:00 faster for everyone. Whatever changed, it changed for all of them.
The fieldCompare these two →5:00 faster This athlete5:00 faster -
Birmingham25 Oct 2024Individual Open · Women1:29:44199/564Beat 65%