Progress against the field
From Osaka 2026 to Chiba 2026, the field gained 0:34 on SUMIKO SAKAMOTO.
Over the same races everyone got 3:39 quicker, so 3:05 faster on the clock looks better than it was.
The biggest step was Osaka 2026 → Hong Kong 2026: 8:45 on the field in 98 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 · 4 events
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Chiba6 Aug 2026Individual Open · Women2:01:39506/589Beat 14%
↑ 90 days after Hong Kong 2026 9:19 worse than the field Why ↓Close ↑
9:19 behind the field: 7:58 slower on the clock, against 1:21 faster for everyone.
The fieldCompare these two →1:21 faster This athlete7:58 slower -
Hong Kong8 May 2026Individual Open · Women1:53:41 PB280/429Beat 35%
↑ 98 days after Osaka 2026 8:45 better than the field Why ↓Close ↑
11:03 faster on the clock, and the race was 2:18 faster for everyone, so 8:45 of it was this athlete.
The fieldCompare these two →2:18 faster This athlete11:03 faster -
Osaka30 Jan 2026Individual Open · Women2:04:44544/619Beat 12%
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Osaka30 Jan 2026Doubles Open · Women1:46:10257/310Beat 17%
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Yokohama9 Aug 2025Doubles Open · Women1:36:15 PB108/176Beat 39%