Progress against the field
Between Riga 2025 and Birmingham 2026, Cheuk Yi Cheung pulled 7:22 ahead of the field.
Over the same races everyone got 7:31 quicker, so 14:53 faster on the clock looks better than it was.
The longest gap between two races compared here, 331 days between London Excel 2025 and Birmingham 2026, cost 17:47 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.
Every race
9 races · 9 events
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Birmingham31 Oct 2026Individual Open · Women2:18:42856/887Beat 4%
↑ 331 days after London Excel 2025 17:47 worse than the field Why ↓Close ↑
16:10 slower on the clock in a race that was 1:37 faster for everyone: 17:47 lost to the field.
The fieldCompare these two →1:37 faster This athlete16:10 slower -
London Olympia24 Mar 2026Doubles Pro · Women1:46:04301/314Beat 4%
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Poznan13 Dec 2025Doubles Pro · Women1:40:55 PB81/91Beat 11%
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London Excel4 Dec 2025Individual Open · Women2:02:32 PB1242/1379Beat 10%
↑ 187 days after Riga 2025 25:09 better than the field Why ↓Close ↑
31:03 faster on the clock, and the race was 5:54 faster for everyone, so 25:09 of it was this athlete.
The fieldCompare these two →5:54 faster This athlete31:03 faster -
Birmingham22 Oct 2025Individual Open · WomenDNF—
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Riga31 May 2025Individual Open · Women2:33:35287/291Beat 1%
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Copenhagen14 Mar 2025Individual Open · Women2:08:29641/657Beat 2%
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Manchester24 Jan 2025Individual Open · Women2:18:36535/539Beat 1%
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Stockholm7 Dec 2024Individual Open · Women2:38:45345/348Beat 1%