Akishi (大須賀明士) Osuga
Born : 1959 Cat. M65 Ultrarunner since 2013 JPN
6
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
24
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 ?JPNJapan
23,8%
Rank quotient ?This runner's calculation uses 6 eligible race(s): Σ(rank − 1) = 1 533; Σ finishers = 6 438. 1 533 / 6 438 × 100 = 23.81%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed6
Km — ultra races618 km
> 100 km1
Longest race118,0 km

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Road83,8%
Trail16,2%