Progress against the field
From Yokohama 2025 to Chiba 2026, the field gained 7:46 on Tomoka Okubo.
Over the same races everyone got 6:01 quicker, so 1:45 slower on the clock looks better than it was.
The biggest step was Yokohama 2025 → Osaka 2026: 2:24 on the field in 174 days.
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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Chiba6 Aug 2026Individual Open · Women1:32:50233/589Beat 60%
↑ 83 days after Incheon 2026 0:51 worse than the field Faster on the clock, behind the field Why ↓Close ↑
1:01 faster on the clock looks better than it was: the race was 1:52 faster for everyone, which leaves this 0:51 behind the field.
The fieldCompare these two →1:52 faster This athlete1:01 faster -
Incheon15 May 2026Individual Open · Women1:33:51101/272Beat 63%
↑ 105 days after Osaka 2026 9:19 worse than the field Why ↓Close ↑
9:19 behind the field: 8:33 slower on the clock, against 0:46 faster for everyone.
The fieldCompare these two →0:46 faster This athlete8:33 slower -
Bangkok 120 Mar 2026Doubles Open · Mixed1:09:56 PB93/1445Beat 94%
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Osaka30 Jan 2026Individual Open · Women1:25:18 PB101/619Beat 84%
↑ 174 days after Yokohama 2025 2:24 better than the field Why ↓Close ↑
2:24 better than the field: 5:47 faster on the clock, against 3:23 faster for everyone.
The fieldCompare these two →3:23 faster This athlete5:47 faster -
Yokohama9 Aug 2025Individual Open · Women1:31:05103/304Beat 66%