Progress against the field
Sue Butcher and Sharon Birch have gained 4:57 on the field from Manchester 2025 to London 2025.
The clock says 8:25 faster, but the races themselves got 3:28 quicker for everyone.
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
5 races · 5 events
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Cardiff30 May 2025Individual Pro · Women1:39:56 PB63/74Beat 15%
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London3 May 2025Doubles Open · Women1:15:20 PB211/1118Beat 81%
↑ 99 days after Manchester 2025, with Sharon Birch 4:57 better than the field Why ↓Close ↑
8:25 faster on the clock, and the race was 3:28 faster for everyone, so 4:57 of it was this pair.
The fieldCompare these two →3:28 faster This pair8:25 faster -
Manchester24 Jan 2025Doubles Open · Women1:23:45418/857Beat 51%
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Birmingham25 Oct 2024Relay · Mixed1:22:2424/40Beat 40%
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Birmingham21 Oct 2023Individual Open · Women1:30:08 PB228/532Beat 57%