Progress against the field
Between Cardiff 2026 and Birmingham 2026, Emma Haynes and Mairi Devlin lost 1:43 to the field.
Over the same races everyone got 1:39 quicker, so 0:04 slower on the clock looks better than it was.
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 · 6 events
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Birmingham31 Oct 2026Doubles Open · Women1:30:27428/680Beat 37%
↑ 185 days after Cardiff 2026, with Mairi Devlin 1:43 worse than the field Why ↓Close ↑
0:04 slower on the clock in a race that was 1:39 faster for everyone: 1:43 lost to the field.
The fieldCompare these two →1:39 faster This pair0:04 slower -
Cardiff29 Apr 2026Doubles Open · Women1:30:23329/488Beat 33%
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London Excel4 Dec 2025Doubles Open · Women1:30:431081/1599Beat 32%
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Birmingham21 Oct 2023Doubles Open · Women1:18:08117/460Beat 75%
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Birmingham21 Oct 2023Relay · Women1:19:3216/53Beat 70%
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London19 Nov 2022Doubles Open · Women1:17:16 PB85/364Beat 77%
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World Championships ManchesterDate unknownDoubles Open · Women1:21:21185/204Beat 9%