Naofumi (吉田直史) Yoshida
Born : 1980 Cat. M45 Ultrarunner since 2017 JPN
25
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
43
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
29,4%
Rank quotient ?This runner's calculation uses 25 eligible race(s): Σ(rank − 1) = 4 013; Σ finishers = 13 664. 4 013 / 13 664 × 100 = 29.37%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed25
Km — ultra races2 375 km
> 100 km8
> 160 km5
Longest race167,0 km

Km per year (ultra races)

274
2 races
2022
241
2 races
2023
276
2 races
2024
433
4 races
2025
252
3 races
2026

Race types (share of distance)

Road8,4%
Trail91,6%

Wins & podiums (ultra)

🏆 Win1
🏆 Win M1
🏅 Top 31
🏅 Top 3 M1
Longest winning streak1
Current streak0