Kazuo (茂山和生) Shigeyama
Born : 1977 Cat. M45 Ultrarunner since 2016 JPN
10
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
29
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
14,6%
Rank quotient ?This runner's calculation uses 10 eligible race(s): Σ(rank − 1) = 410; Σ finishers = 2 805. 410 / 2 805 × 100 = 14.62%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed10
Km — ultra races1 067 km
> 100 km5
> 160 km3
Longest race169,0 km
3rd Lake Biwa 100 — 6/10/2023

Km per year (ultra races)

249
2 races
2022
169
1 race
2023
2024
2025
2026

Race types (share of distance)

Road10,5%
Trail89,5%

Wins & podiums (ultra)

🏆 Win0
🏆 Win M0
🏅 Top 31
🏅 Top 3 M1
Longest winning streak0
Current streak0

Records