Progress against the field
Between Cardiff 2025 and Birmingham 2025, Pia Leferink pulled 5:52 ahead of the field.
The clock says 7:38 faster, but the races themselves got 1:46 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
6 races · 6 events
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Helsinki9 May 2026Doubles Open · Women1:05:40 PB11/904Beat 99%
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Osaka30 Jan 2026Individual Open · Women1:24:1383/619Beat 87%
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Dublin12 Nov 2025Doubles Open · Women1:06:2214/719Beat 98%
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Birmingham22 Oct 2025Individual Open · Women1:22:52 PB157/748Beat 79%
↑ 145 days after Cardiff 2025 5:52 better than the field Why ↓Close ↑
5:52 better than the field: 7:38 faster on the clock, against 1:46 faster for everyone.
The fieldCompare these two →1:46 faster This athlete7:38 faster -
Cardiff30 May 2025Individual Open · Women1:30:30211/400Beat 47%
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Barcelona25 Apr 2025Doubles Open · Women1:18:02141/578Beat 76%