Progress against the field
Between London 2024 and London Excel 2025, Amy Jacks and Sally Chapman pulled 6:11 ahead of the field.
Over the same races everyone got 3:08 quicker, so 9:19 faster 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
2 races · 2 events
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London Excel4 Dec 2025Doubles Open · Women1:31:33 PB1410/1887Beat 25%
↑ 370 days after London 2024, with Sally Chapman 6:11 better than the field Why ↓Close ↑
6:11 better than the field: 9:19 faster on the clock, against 3:08 faster for everyone.
The fieldCompare these two →3:08 faster This pair9:19 faster -
London29 Nov 2024Doubles Open · Women1:40:52992/1150Beat 14%