Progress against the field
Between Beijing 2025 and Shenzhen 2025, Man Chi Siu pulled 1:28 ahead of the field.
The clock says 3:50 faster, but the races themselves got 2:22 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
5 races · 5 events
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Shenzhen15 Aug 2026Individual Pro · Women1:55:08 PB135/163Beat 17%
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Osaka30 Jan 2026Individual Open · Women1:27:27 PB128/619Beat 79%
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Shenzhen20 Dec 2025Individual Open · Women1:35:33165/461Beat 64%
↑ 119 days after Beijing 2025 1:28 better than the field Why ↓Close ↑
3:50 faster on the clock, and the race was 2:22 faster for everyone, so 1:28 of it was this athlete.
The fieldCompare these two →2:22 faster This athlete3:50 faster -
Beijing23 Aug 2025Individual Open · Women1:39:23162/314Beat 48%
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Hong Kong26 Jul 2025Doubles Open · Women1:21:47 PB67/584Beat 89%