Progress against the field
Between London 2025 and Birmingham 2026, Sarah Bottrell lost 3:11 to the field.
The clock says 3:08 faster, but the races themselves got 6:19 quicker for everyone.
331 days between London Excel 2025 and Birmingham 2026 is the longest gap compared here, and the second race was 7:14 behind 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
11 races · 11 events
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Birmingham31 Oct 2026Individual Open · Women1:35:47518/887Beat 42%
↑ 331 days after London Excel 2025 7:14 worse than the field Why ↓Close ↑
7:14 behind the field: 5:37 slower on the clock, against 1:37 faster for everyone.
The fieldCompare these two →1:37 faster This athlete5:37 slower -
Tenerife4 Sep 2026Doubles Open · Women1:20:2681/414Beat 80%
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Helsinki9 May 2026Doubles Open · Women1:16:27 PB186/904Beat 79%
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Glasgow11 Mar 2026Doubles Open · Mixed1:12:41 PB239/1198Beat 80%
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Vienna6 Feb 2026Doubles Open · Women1:26:31561/1157Beat 52%
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Manchester21 Jan 2026Doubles Open · Women1:26:49615/1155Beat 47%
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London Excel4 Dec 2025Individual Open · Women1:30:10585/1379Beat 58%
↑ 43 days after Birmingham 2025 4:37 worse than the field Why ↓Close ↑
1:33 slower on the clock in a race that was 3:04 faster for everyone: 4:37 lost to the field.
The fieldCompare these two →3:04 faster This athlete1:33 slower -
Birmingham22 Oct 2025Individual Open · Women1:28:37 PB253/748Beat 66%
↑ 172 days after London 2025 8:40 better than the field Why ↓Close ↑
8:40 better than the field: 10:18 faster on the clock, against 1:38 faster for everyone.
The fieldCompare these two →1:38 faster This athlete10:18 faster -
London3 May 2025Individual Open · Women1:38:55922/1368Beat 33%
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Birmingham25 Oct 2024Doubles Open · Mixed1:20:28480/894Beat 46%
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St. GallenDate unknownDoubles Open · Women1:27:16251/440Beat 43%