Progress against the field
From Birmingham 2023 to Cardiff 2026, the field gained 6:29 on Di Long.
Over the same races everyone got 13:57 quicker, so 7:28 faster on the clock looks better than it was.
The longest gap between two races compared here, 370 days between Birmingham 2023 and Birmingham 2024, cost 1:02 on 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
8 races · 8 events
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Cardiff29 Apr 2026Individual Open · Women1:20:5671/351Beat 80%
↑ 146 days after London Excel 2025 2:37 worse than the field Why ↓Close ↑
2:37 behind the field: 1:28 slower on the clock, against 1:09 faster for everyone.
The fieldCompare these two →1:09 faster This athlete1:28 slower -
Malaga16 Apr 2026Doubles Open · Mixed1:25:29 PB629/842Beat 25%
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London Excel4 Dec 2025Individual Open · Women1:19:28 PB310/1542Beat 80%
↑ 43 days after Birmingham 2025 0:13 better than the field Why ↓Close ↑
3:17 faster on the clock, and the race was 3:04 faster for everyone, so 0:13 of it was this athlete.
The fieldCompare these two →3:04 faster This athlete3:17 faster -
Birmingham22 Oct 2025Individual Open · Women1:22:45199/829Beat 76%
↑ 145 days after Cardiff 2025 3:08 worse than the field Why ↓Close ↑
1:22 slower on the clock in a race that was 1:46 faster for everyone: 3:08 lost to the field.
The fieldCompare these two →1:46 faster This athlete1:22 slower -
Cardiff30 May 2025Individual Open · Women1:21:23159/587Beat 73%
↑ 217 days after Birmingham 2024 0:05 better than the field Why ↓Close ↑
5:43 faster on the clock, and the race was 5:38 faster for everyone. Whatever changed, it changed for all of them.
The fieldCompare these two →5:38 faster This athlete5:43 faster -
Birmingham25 Oct 2024Individual Open · Women1:27:06275/846Beat 68%
↑ 370 days after Birmingham 2023 1:02 worse than the field Faster on the clock, behind the field Why ↓Close ↑
1:18 faster on the clock looks better than it was: the race was 2:20 faster for everyone, which leaves this 1:02 behind the field.
The fieldCompare these two →2:20 faster This athlete1:18 faster -
Birmingham21 Oct 2023Individual Open · Women1:28:24203/532Beat 62%
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Birmingham15 Oct 2022Doubles Open · Women1:13:49 PB50/309Beat 84%