Toshiharu (大嶋敏晴) Oshima
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Ultrarunner since 2021
29
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
50
DUV-index+ ?Largest integer N such that the race distances provide at least N complete segments of N km in total. A single long race may therefore contribute several segments. See the DUV-Index tab for the detailed calculation. calculation details
1
Countries visited ?Japan
Japan62,4%
Rank quotient ?This runner's calculation uses 29 eligible race(s): Σ(rank − 1) = 3 221; Σ finishers = 5 165. 3 221 / 5 165 × 100 = 62.36%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed29
Km — ultra races3 067 km
> 100 km19
Longest race125,0 km
10th Fujisan Issyu Walking — 6/6/2026
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road30,7%
Trail24,0%
Ult.Walk45,4%
Records
HISTORY
29 race(s)| Runner | Races in common |
|---|---|