Progress against the field
Between Osaka 2026 and Chiba 2026, 由理奈 千原 and 悠貴 石井 pulled 3:21 ahead of the field.
Over the same races everyone got 5:54 quicker, so 9:15 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
7 races · 3 events
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Chiba6 Aug 2026Relay · Mixed1:15:2630/141Beat 79%
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Chiba6 Aug 2026Doubles Open · Mixed1:09:50 PB75/761Beat 90%
↑ 83 days after Incheon 2026, with 悠貴 石井 1:47 better than the field Why ↓Close ↑
5:05 faster on the clock, and the race was 3:18 faster for everyone, so 1:47 of it was this pair.
The fieldCompare these two →3:18 faster This pair5:05 faster -
Chiba6 Aug 2026Doubles Open · Women1:27:36 PB179/399Beat 55%
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Chiba6 Aug 2026Individual Open · Women1:09:07 PB4/589Beat 99%
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Incheon15 May 2026Doubles Open · Mixed1:14:5582/405Beat 80%
↑ 105 days after Osaka 2026, with 悠貴 石井 1:34 better than the field Why ↓Close ↑
1:34 better than the field: 4:10 faster on the clock, against 2:36 faster for everyone.
The fieldCompare these two →2:36 faster This pair4:10 faster -
Osaka30 Jan 2026Relay · Women1:15:0013/74Beat 82%
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Osaka30 Jan 2026Doubles Open · Mixed1:19:05182/615Beat 70%