Progress against the field
石坂 龍太 has gained 15:42 on the field from Yokohama 2025 to Chiba 2026.
The clock says 20:41 faster, but the races themselves got 4:59 quicker for everyone.
188 days between Osaka 2026 and Chiba 2026 is the longest gap compared here, and the second race was 8:14 better than 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 2026Doubles Open · Men1:03:54 PB33/784Beat 96%
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Chiba6 Aug 2026Individual Pro · Men1:21:55 PB113/295Beat 62%
↑ 188 days after Osaka 2026 8:14 better than the field Why ↓Close ↑
8:14 better than the field: 10:08 faster on the clock, against 1:54 faster for everyone.
The fieldCompare these two →1:54 faster This athlete10:08 faster -
Osaka30 Jan 2026Individual Pro · Men1:32:03199/340Beat 42%
↑ 174 days after Yokohama 2025 7:28 better than the field Why ↓Close ↑
10:33 faster on the clock, and the race was 3:05 faster for everyone, so 7:28 of it was this athlete.
The fieldCompare these two →3:05 faster This athlete10:33 faster -
Yokohama9 Aug 2025Individual Pro · Men1:42:36166/228Beat 27%