Progress against the field
From Glasgow 2026 to Cardiff 2026, the field gained 1:34 on Heather Williams.
The clock says 2:46 faster, but the races themselves got 4:20 quicker for everyone.
The biggest step was London Olympia 2026 → Cardiff 2026: 8:31 on the field in 36 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
7 races · 6 events
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Birmingham31 Oct 2026Relay · Women1:13:1430/87Beat 66%
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Birmingham31 Oct 2026Doubles Open · Women1:30:06384/627Beat 39%
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Cardiff29 Apr 2026Individual Open · Women1:45:38 PB460/646Beat 29%
↑ 36 days after London Olympia 2026 8:31 better than the field Why ↓Close ↑
8:59 faster on the clock, and the race was 0:28 faster for everyone, so 8:31 of it was this athlete.
The fieldCompare these two →0:28 faster This athlete8:59 faster -
London Olympia24 Mar 2026Individual Open · Women1:54:37483/581Beat 17%
↑ 13 days after Glasgow 2026 10:05 worse than the field Why ↓Close ↑
6:13 slower on the clock in a race that was 3:52 faster for everyone: 10:05 lost to the field.
The fieldCompare these two →3:52 faster This athlete6:13 slower -
Glasgow11 Mar 2026Individual Open · Women1:48:24244/324Beat 25%
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London Excel4 Dec 2025Doubles Open · Women1:25:361082/1887Beat 43%
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Toulouse8 Feb 2025Doubles Open · Women1:23:44 PB317/796Beat 60%