Progress against the field
From London 2025 to Cardiff 2026, the field gained 1:42 on bryony Hasell.
Over the same races everyone got 5:02 quicker, so 3:20 faster on the clock looks better than it was.
The longest gap between two races compared here, 334 days between Cardiff 2025 and Cardiff 2026, cost 5:30 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. The summary above covers Individual Open · Women, the one raced most; every comparison is in the list below.
Every race
7 races · 6 events
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Birmingham31 Oct 2026Doubles Open · Women1:05:21 PB30/1246Beat 98%
↑ 185 days after Cardiff 2026, with Caroline Morton 0:05 better than the field Why ↓Close ↑
1:44 faster on the clock, and the race was 1:39 faster for everyone. Whatever changed, it changed for all of them.
The fieldCompare these two →1:39 faster This pair1:44 faster -
Cardiff29 Apr 2026Doubles Open · Women1:07:0520/862Beat 98%
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Cardiff29 Apr 2026Individual Open · Women1:10:507/253Beat 97%
↑ 334 days after Cardiff 2025 5:30 worse than the field Why ↓Close ↑
5:30 behind the field: 1:58 slower on the clock, against 3:32 faster for everyone.
The fieldCompare these two →3:32 faster This athlete1:58 slower -
London Excel4 Dec 2025Individual Pro · Women1:18:26 PB87/315Beat 72%
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Cardiff30 May 2025Individual Open · Women1:08:52 PB14/587Beat 98%
↑ 27 days after London 2025 3:48 better than the field Why ↓Close ↑
5:18 faster on the clock, and the race was 1:30 faster for everyone, so 3:48 of it was this athlete.
The fieldCompare these two →1:30 faster This athlete5:18 faster -
London3 May 2025Individual Open · Women1:14:10108/1368Beat 92%
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Manchester24 Jan 2025Doubles Open · Women1:19:57307/857Beat 64%