Progress against the field
From Osaka 2026 to Chiba 2026, the field gained 1:12 on 航太郎 石井 and 悠透 上地.
Over the same races everyone got 5:09 quicker, so 3:57 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
3 races · 2 events
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Chiba6 Aug 2026Doubles Open · Men1:08:53 PB64/468Beat 86%
↑ 188 days after Osaka 2026, with 悠透 上地 1:12 worse than the field Faster on the clock, behind the field Why ↓Close ↑
3:57 faster on the clock, yet the race was 5:09 faster for everyone, so 1:12 was lost on the field.
The fieldCompare these two →5:09 faster This pair3:57 faster -
Chiba6 Aug 2026Individual Open · Men1:30:00 PB264/769Beat 66%
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Osaka30 Jan 2026Doubles Open · Men1:12:50167/748Beat 78%