Progress against the field
From Dublin 2024 to Birmingham 2026, the field gained 7:58 on Jessica Thomas.
Over the same races everyone got 10:17 quicker, so 2:19 faster on the clock looks better than it was.
The longest gap between two races compared here, 283 days between Manchester 2026 and Birmingham 2026, cost 2:07 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
7 races · 7 events
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Birmingham31 Oct 2026Individual Open · Women1:21:1197/547Beat 82%
↑ 283 days after Manchester 2026 2:07 worse than the field Faster on the clock, behind the field Why ↓Close ↑
2:34 faster on the clock, yet the race was 4:41 faster for everyone, so 2:07 was lost on the field.
The fieldCompare these two →4:41 faster This athlete2:34 faster -
Cardiff29 Apr 2026Doubles Open · Women1:17:58 PB110/488Beat 78%
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Manchester21 Jan 2026Individual Open · Women1:23:4555/263Beat 79%
↑ 48 days after London Excel 2025 47:15 better than the field Why ↓Close ↑
46:49 faster on the clock in a race that was 0:26 slower for everyone: 47:15 better than the field.
The fieldCompare these two →0:26 slower This athlete46:49 faster -
London Excel4 Dec 2025Individual Open · Women2:10:341503/1542Beat 3%
↑ 202 days after Berlin 2025 53:11 worse than the field Why ↓Close ↑
52:31 slower on the clock in a race that was 0:40 faster for everyone: 53:11 lost to the field.
The fieldCompare these two →0:40 faster This athlete52:31 slower -
Berlin16 May 2025Individual Open · Women1:18:03 PB115/590Beat 81%
↑ 182 days after Dublin 2024 0:05 better than the field Why ↓Close ↑
5:27 faster on the clock, and the race was 5:22 faster for everyone. Whatever changed, it changed for all of them.
The fieldCompare these two →5:22 faster This athlete5:27 faster -
Dublin15 Nov 2024Individual Open · Women1:23:3083/391Beat 79%
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Birmingham25 Oct 2024Doubles Open · WomenDNF—