Yoko (山本庸子) Yamamoto
Born : 1963 Cat. W60 Ultrarunner since 2012 JPN
24
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
33
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
35,9%
Rank quotient ?This runner's calculation uses 24 eligible race(s): Σ(rank − 1) = 2 984; Σ finishers = 8 303. 2 984 / 8 303 × 100 = 35.94%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed24
Km — ultra races1 406 km
> 100 km1
Longest race100,8 km
3rd Okushinano 100 — 10/6/2023

Km per year (ultra races)

171
3 races
2022
268
4 races
2023
2024
48
1 race
2025
2026

Race types (share of distance)

Road4,0%
Trail96,0%

Wins & podiums (ultra)

🏆 Win0
🏆 Win F1
🏅 Top 30
🏅 Top 3 F7
Longest winning streak0
Current streak0