Progress against the field
Between London 2023 and London 2024, Cerys Preston pulled 4:20 ahead of the field.
Over the same races everyone got 1:58 quicker, so 6:18 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.
Every race
8 races · 7 events
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Riga30 May 2026Doubles Open · Mixed57:308/477Beat 98%
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Sydney4 Jul 2025Individual Pro · Women1:14:04 PB37/166Beat 78%
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Marseille7 Dec 2024Doubles Pro · Women1:01:581/62Beat 98%
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London29 Nov 2024Individual Open · Women1:07:29 PB7/590Beat 99%
↑ 369 days after London 2023 4:20 better than the field Why ↓Close ↑
4:20 better than the field: 6:18 faster on the clock, against 1:58 faster for everyone.
The fieldCompare these two →1:58 faster This athlete6:18 faster -
London26 Nov 2023Individual Open · Women1:13:4759/961Beat 94%
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MelbourneDate unknownDoubles Open · Mixed57:18 PB23/769Beat 97%
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MelbourneDate unknownDoubles Pro · Women1:00:17 PB5/309Beat 98%
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World Championships NiceDate unknownIndividual Pro · Women1:22:42402/677Beat 41%