Hiroko (吉岡仁子) Yoshioka
Born : 1953 Cat. W70 Ultrarunner since 2017 JPN
16
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
2
Countries visited ?JPNJapanTPETaiwan
62,2%
Rank quotient ?This runner's calculation uses 16 eligible race(s): Σ(rank − 1) = 4 799; Σ finishers = 7 719. 4 799 / 7 719 × 100 = 62.17%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed16
Km — ultra races1 544 km
> 100 km3
> 24h2
Longest race155,6 km

Km per year (ultra races)

204
2 races
2022
356
3 races
2023
165
2 races
2024
2025
254
2 races
2026

Race types (share of distance)

Road100,0%

Wins & podiums (ultra)

🏆 Win0
🏆 Win F1
🏅 Top 31
🏅 Top 3 F2
Longest winning streak0
Current streak0