Progress against the field
From Incheon 2026 to Chiba 2026, Mamiko Sato got 5:52 faster than the field.
Over the same races everyone got 1:52 quicker, so 7:44 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
4 races · 3 events
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Chiba6 Aug 2026Doubles Open · Mixed1:33:59 PB203/373Beat 46%
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Chiba6 Aug 2026Individual Open · Women1:43:55 PB375/589Beat 36%
↑ 83 days after Incheon 2026 5:52 better than the field Why ↓Close ↑
5:52 better than the field: 7:44 faster on the clock, against 1:52 faster for everyone.
The fieldCompare these two →1:52 faster This athlete7:44 faster -
Incheon15 May 2026Individual Open · Women1:51:39200/272Beat 27%
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Yokohama9 Aug 2025Individual Open · Women2:09:53289/304Beat 5%