Progress against the field
From London 2025 to Birmingham 2025, Isabella Pienaar got 1:22 faster than the field.
The clock says 5:16 faster, but the races themselves got 3:54 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
5 races · 4 events
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Birmingham22 Oct 2025Doubles Open · Women1:08:47 PB38/904Beat 96%
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Birmingham22 Oct 2025Individual Open · Women1:19:49126/829Beat 85%
↑ 26 days after Rome 2025 0:12 better than the field Why ↓Close ↑
2:03 faster on the clock, and the race was 1:51 faster for everyone, so 0:12 of it was this athlete.
The fieldCompare these two →1:51 faster This athlete2:03 faster -
Rome26 Sep 2025Individual Open · Women1:21:52119/520Beat 77%
↑ 146 days after London 2025 1:10 better than the field Why ↓Close ↑
1:10 better than the field: 3:13 faster on the clock, against 2:03 faster for everyone.
The fieldCompare these two →2:03 faster This athlete3:13 faster -
London3 May 2025Individual Open · Women1:25:05456/1368Beat 67%
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Toulouse8 Feb 2025Individual Open · Women1:17:05 PB55/710Beat 92%