Shigeru (山本茂士) Yamamoto
Ultrarunner since 2021 JPN
3
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
18
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
53,4%
Rank quotient ?This runner's calculation uses 3 eligible race(s): Σ(rank − 1) = 311; Σ finishers = 582. 311 / 582 × 100 = 53.44%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed3
Km — ultra races375 km
> 100 km3
Longest race125,0 km

Km per year (ultra races)

125
1 race
2022
125
1 race
2023
2024
2025
2026

Race types (share of distance)

Ult.Walk100,0%

Records

No record for a classic ultra format