Progress against the field
Between Yokohama 2025 and Chiba 2026, 勝彦 長山 lost 2:59 to the field.
Over the same races everyone got 6:23 quicker, so 3:24 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 1:17 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
4 races · 3 events
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Chiba6 Aug 2026Individual Open · Men1:27:07 PB345/927Beat 63%
↑ 188 days after Osaka 2026 1:17 worse than the field Faster on the clock, behind the field Why ↓Close ↑
0:46 faster on the clock, yet the race was 2:03 faster for everyone, so 1:17 was lost on the field.
The fieldCompare these two →2:03 faster This athlete0:46 faster -
Osaka30 Jan 2026Doubles Open · Mixed1:13:56 PB114/615Beat 82%
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Osaka30 Jan 2026Individual Open · Men1:27:53431/1119Beat 62%
↑ 174 days after Yokohama 2025 1:42 worse than the field Faster on the clock, behind the field Why ↓Close ↑
2:38 faster on the clock, yet the race was 4:20 faster for everyone, so 1:42 was lost on the field.
The fieldCompare these two →4:20 faster This athlete2:38 faster -
Yokohama9 Aug 2025Individual Open · Men1:30:31281/718Beat 61%