Progress against the field
Between London Excel 2025 and Birmingham 2026, Sarah Harris pulled 1:00 ahead of the field.
The clock says 6:48 faster, but the races themselves got 5:48 quicker for everyone.
The biggest step was London Excel 2025 → Manchester 2026: 6:27 on the field in 48 days.
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
8 races · 8 events
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Birmingham31 Oct 2026Individual Open · Women1:19:08 PB84/552Beat 85%
↑ 185 days after Cardiff 2026 0:29 worse than the field Faster on the clock, behind the field Why ↓Close ↑
2:14 faster on the clock, yet the race was 2:43 faster for everyone, so 0:29 was lost on the field.
The fieldCompare these two →2:43 faster This athlete2:14 faster -
Cardiff29 Apr 2026Individual Open · Women1:21:22101/646Beat 84%
↑ 98 days after Manchester 2026 4:58 worse than the field Why ↓Close ↑
1:27 slower on the clock in a race that was 3:31 faster for everyone: 4:58 lost to the field.
The fieldCompare these two →3:31 faster This athlete1:27 slower -
London Olympia24 Mar 2026Doubles Open · Women1:15:28 PB28/174Beat 84%
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Manchester21 Jan 2026Individual Open · Women1:19:55146/825Beat 82%
↑ 48 days after London Excel 2025 6:27 better than the field Why ↓Close ↑
6:01 faster on the clock in a race that was 0:26 slower for everyone: 6:27 better than the field.
The fieldCompare these two →0:26 slower This athlete6:01 faster -
London Excel4 Dec 2025Individual Open · Women1:25:56419/1379Beat 70%
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Birmingham22 Oct 2025Doubles Open · Mixed1:12:16 PB71/312Beat 77%
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Warsaw12 Apr 2025Doubles Open · Women1:21:31101/261Beat 61%
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London26 Nov 2023Doubles Open · Women1:38:45949/1096Beat 13%