Progress against the field
Clare Sergison and Katie Smith have gained 4:50 on the field from London 2023 to London Excel 2025.
The clock says 9:01 faster, but the races themselves got 4:11 quicker for everyone.
The longest gap between two races compared here, 370 days between London 2024 and London Excel 2025, still ended 9:32 ahead of 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.
Every race
4 races · 4 events
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Barcelona14 May 2026Doubles Pro · Women1:22:03 PB138/200Beat 31%
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London Excel4 Dec 2025Doubles Open · Women1:15:52 PB413/1887Beat 78%
↑ 370 days after London 2024, with Katie Smith 9:32 better than the field Why ↓Close ↑
12:40 faster on the clock, and the race was 3:08 faster for everyone, so 9:32 of it was this pair.
The fieldCompare these two →3:08 faster This pair12:40 faster -
London29 Nov 2024Doubles Open · Women1:28:32693/1150Beat 40%
↑ 369 days after London 2023, with Katie Smith 4:42 worse than the field Why ↓Close ↑
3:39 slower on the clock in a race that was 1:03 faster for everyone: 4:42 lost to the field.
The fieldCompare these two →1:03 faster This pair3:39 slower -
London26 Nov 2023Doubles Open · Women1:24:53578/1096Beat 47%