Progress against the field
Between Rome 2026 and Birmingham 2026, Perdita Oldworth pulled 20:27 ahead of the field.
The clock says 23:25 faster, but the races themselves got 2:58 quicker for everyone.
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 · 3 events
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Birmingham31 Oct 2026Individual Open · Women1:13:51 PB64/887Beat 93%
↑ 38 days after Rome 2026 20:27 better than the field Why ↓Close ↑
23:25 faster on the clock, and the race was 2:58 faster for everyone, so 20:27 of it was this athlete.
The fieldCompare these two →2:58 faster This athlete23:25 faster -
Rome23 Sep 2026Individual Open · Women1:37:16293/558Beat 48%
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Glasgow11 Mar 2026Doubles Open · Mixed1:18:30 PB183/500Beat 63%