Progress against the field
Between Frankfurt 2024 and EMEA London Olympia 2026, Sonya Bailey lost 39:38 to the field.
Over the same races everyone got 3:21 quicker, so 36:17 slower on the clock looks better than it was.
The longest gap between two races compared here, 395 days between Vienna 2025 and EMEA London Olympia 2026, cost 34:06 on the field.
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
8 races · 8 events
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Berlin22 May 2026Doubles Open · Women1:43:32703/847Beat 17%
↑ 371 days after Berlin 2025, with Joanne Dowling 8:08 worse than the field Why ↓Close ↑
8:08 behind the field: 11:17 slower on the clock, against 3:09 slower for everyone.
The fieldCompare these two →3:09 slower This pair11:17 slower -
EMEA London Olympia24 Mar 2026Individual Open · Women2:08:14502/507Beat 1%
↑ 395 days after Vienna 2025 34:06 worse than the field Why ↓Close ↑
34:42 slower on the clock in a race that was 0:36 slower for everyone: 34:06 lost to the field.
The fieldCompare these two →0:36 slower This athlete34:42 slower -
London Excel4 Dec 2025Individual Pro · Women1:55:04 PB292/315Beat 7%
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Berlin16 May 2025Doubles Open · Women1:32:15 PB472/541Beat 13%
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Vienna22 Feb 2025Individual Open · Women1:33:32491/684Beat 28%
↑ 70 days after Frankfurt 2024 5:32 worse than the field Why ↓Close ↑
1:35 slower on the clock in a race that was 3:57 faster for everyone: 5:32 lost to the field.
The fieldCompare these two →3:57 faster This athlete1:35 slower -
Frankfurt14 Dec 2024Individual Open · Women1:31:57425/763Beat 44%
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Dublin15 Nov 2024Individual Open · Women1:30:26 PB171/391Beat 56%
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Poznan2 Nov 2024Doubles Open · Women1:37:50163/185Beat 12%