Progress against the field
Between Birmingham 2025 and Manchester 2026, Mia Derbyshire and Lauren Osborne pulled 2:13 ahead of the field.
The races barely moved for everyone else, so 2:01 faster on the clock is close to the whole story.
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
3 races · 2 events
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Manchester21 Jan 2026Individual Open · Women1:21:40 PB40/263Beat 85%
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Manchester21 Jan 2026Doubles Open · Women1:13:14 PB145/1155Beat 87%
↑ 91 days after Birmingham 2025, with Lauren Osborne 2:13 better than the field Why ↓Close ↑
The race was 0:12 slower for everyone and the clock still says 2:01 faster: 2:13 gained on the field.
The fieldCompare these two →0:12 slower This pair2:01 faster -
Birmingham22 Oct 2025Doubles Open · Women1:15:1564/411Beat 84%