Progress against the field
Between Birmingham 2024 and Dublin 2024, Leah Rzonca lost 0:44 to the field.
Over the same races everyone got 4:48 quicker, so 4:04 faster on the clock looks better than it was.
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 Individual Open · Women, the one raced most; every comparison is in the list below.
Every race
9 races · 8 events
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Manchester21 Jan 2026Doubles Open · Women1:06:56 PB35/1155Beat 97%
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Birmingham22 Oct 2025Individual Pro · Women1:21:21 PB50/141Beat 65%
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Cardiff30 May 2025Doubles Open · Mixed1:01:16 PB10/470Beat 98%
↑ 79 days after Glasgow 2025, with Curtis Bernard 1:07 worse than the field Faster on the clock, behind the field Why ↓Close ↑
0:27 faster on the clock, yet the race was 1:34 faster for everyone, so 1:07 was lost on the field.
The fieldCompare these two →1:34 faster This pair0:27 faster -
Warsaw12 Apr 2025Doubles Open · Mixed1:04:5829/288Beat 90%
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Warsaw12 Apr 2025Relay · Mixed1:00:402/45Beat 96%
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Glasgow12 Mar 2025Doubles Open · Mixed1:01:4323/841Beat 97%
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Dublin15 Nov 2024Individual Open · Women1:13:50 PB15/548Beat 97%
↑ 21 days after Birmingham 2024 0:44 worse than the field Faster on the clock, behind the field Why ↓Close ↑
4:04 faster on the clock, yet the race was 4:48 faster for everyone, so 0:44 was lost on the field.
The fieldCompare these two →4:48 faster This athlete4:04 faster -
Birmingham25 Oct 2024Individual Open · Women1:17:5442/564Beat 93%
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Glasgow2 Mar 2024Doubles Open · Women1:16:58139/1029Beat 87%