Progress against the field
Between Birmingham 2022 and Birmingham 2023, Ruth Farmer and Nicola O'Brien kept pace with the field.
The clock says 2:19 faster, but the races themselves got 2:20 quicker for everyone.
The longest gap between two races compared here, 266 days between Manchester 2023 and Birmingham 2023, cost 1:31 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. The summary above covers Doubles Open · Women, with Nicola O'Brien, the one raced most; every comparison is in the list below.
Every race
6 races · 6 events
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Glasgow11 Mar 2026Doubles Open · Women1:22:55520/1618Beat 68%
↑ 364 days after Glasgow 2025, with Eden Chapman 4:47 worse than the field Why ↓Close ↑
4:47 behind the field: 3:57 slower on the clock, against 0:50 faster for everyone.
The fieldCompare these two →0:50 faster This pair3:57 slower -
Glasgow12 Mar 2025Doubles Open · Women1:18:58 PB185/796Beat 77%
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London26 Nov 2023Individual Open · Women2:16:27 PB935/961Beat 3%
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Birmingham21 Oct 2023Doubles Open · Women1:22:13188/460Beat 59%
↑ 266 days after Manchester 2023, with Nicola O'Brien 1:31 worse than the field Faster on the clock, behind the field Why ↓Close ↑
2:38 faster on the clock, yet the race was 4:09 faster for everyone, so 1:31 was lost on the field.
The fieldCompare these two →4:09 faster This pair2:38 faster -
Manchester28 Jan 2023Doubles Open · Women1:24:51141/291Beat 52%
↑ 105 days after Birmingham 2022, with Nicola O'Brien 1:30 better than the field Slower on the clock, ahead of the field Why ↓Close ↑
0:19 slower on the clock in a race that was 1:49 slower for everyone: 1:30 gained on the field, which the clock hides.
The fieldCompare these two →1:49 slower This pair0:19 slower -
Birmingham15 Oct 2022Doubles Open · Women1:24:32163/309Beat 47%