Progress against the field
Between Yokohama 2025 and Chiba 2026, Yuko Katayama lost 3:32 to the field.
Over the same races everyone got 6:01 quicker, so 2:29 faster on the clock looks better than it was.
188 days between Osaka 2026 and Chiba 2026 is the longest gap compared here, and the second race was 1:39 behind 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 · Women1:35:06 PB267/589Beat 55%
↑ 188 days after Osaka 2026 1:39 worse than the field Faster on the clock, behind the field Why ↓Close ↑
0:59 faster on the clock, yet the race was 2:38 faster for everyone, so 1:39 was lost on the field.
The fieldCompare these two →2:38 faster This athlete0:59 faster -
Osaka30 Jan 2026Individual Open · Women1:36:05261/619Beat 58%
↑ 174 days after Yokohama 2025 1:53 worse than the field Faster on the clock, behind the field Why ↓Close ↑
1:30 faster on the clock looks better than it was: the race was 3:23 faster for everyone, which leaves this 1:53 behind the field.
The fieldCompare these two →3:23 faster This athlete1:30 faster -
Yokohama9 Aug 2025Individual Open · Women1:37:35148/304Beat 51%