Progress against the field
From Yokohama 2025 to Chiba 2026, AKI ITO got 5:52 faster than the field.
The clock says 11:53 faster, but the races themselves got 6:01 quicker for everyone.
The longest gap between two races compared here, 188 days between Osaka 2026 and Chiba 2026, still ended 3:09 ahead of 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
3 races · 3 events
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Chiba6 Aug 2026Individual Open · Women1:46:53 PB404/589Beat 31%
↑ 188 days after Osaka 2026 3:09 better than the field Why ↓Close ↑
3:09 better than the field: 5:47 faster on the clock, against 2:38 faster for everyone.
The fieldCompare these two →2:38 faster This athlete5:47 faster -
Osaka30 Jan 2026Individual Open · Women1:52:40452/619Beat 27%
↑ 174 days after Yokohama 2025 2:43 better than the field Why ↓Close ↑
2:43 better than the field: 6:06 faster on the clock, against 3:23 faster for everyone.
The fieldCompare these two →3:23 faster This athlete6:06 faster -
Yokohama9 Aug 2025Individual Open · Women1:58:46261/304Beat 14%