Masahiko (大貫正彦) Onuki
Born : 1966 Cat. M60 Ultrarunner since 2015 JPN
1
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
10
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
3,4%
Rank quotient ?This runner's calculation uses 1 eligible race(s): Σ(rank − 1) = 43; Σ finishers = 1 269. 43 / 1 269 × 100 = 3.39%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed1
Km — ultra races100 km
Longest race100,0 km

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Road100,0%

Records

HISTORY

1 race(s)
DateRacePerf.Rk
2015
06.06 100km JPN3rd Tokyo Shibamata 100 km 9:09:05 h44