Hiroaki (山本裕章) Yamamoto
Born : 1959 Cat. M65 Ultrarunner since 2012 JPN
22
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
40
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
80,0%
Rank quotient ?This runner's calculation uses 22 eligible race(s): Σ(rank − 1) = 12 316; Σ finishers = 15 402. 12 316 / 15 402 × 100 = 79.96%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed22
Km — ultra races2 044 km
> 100 km4
> 160 km2
Longest race167,0 km

Km per year (ultra races)

167
1 race
2022
2023
109
1 race
2024
172
2 races
2025
449
4 races
2026

Race types (share of distance)

Road15,7%
Trail84,3%