Progress against the field
Between Birmingham 2025 and Glasgow 2026, Grace Mucklin and Karen Cooper pulled 1:57 ahead of the field.
The races themselves barely changed, so 1:54 faster on the clock is the real picture.
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
2 races · 2 events
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Glasgow11 Mar 2026Doubles Open · Women1:25:37 PB645/1618Beat 60%
↑ 140 days after Birmingham 2025, with Karen Cooper 1:57 better than the field Why ↓Close ↑
The race was 0:03 slower for everyone and the clock still says 1:54 faster: 1:57 gained on the field.
The fieldCompare these two →0:03 slower This pair1:54 faster -
Birmingham22 Oct 2025Doubles Open · Women1:27:31648/1111Beat 42%