Hiroshi (石原裕士) Ishihara
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Born : 1968
Cat. M55 Ultrarunner since 2013
26
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
45
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
4
Countries visited ?
France
ItalyJapan
South Korea
FranceItalyJapanSouth Korea43,7%
Rank quotient ?This runner's calculation uses 26 eligible race(s): Σ(rank − 1) = 5 370; Σ finishers = 12 290. 5 370 / 12 290 × 100 = 43.69%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed26
Km — ultra races2 584 km
> 100 km7
> 160 km4
> 200 km1
Longest race330,0 km
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road12,0%
Trail88,0%
Wins & podiums (ultra)
🏆 Win0
🏆 Win M0
🏅 Top 31
🏅 Top 3 M1
Longest winning streak0
Current streak0
Records
HISTORY
26 race(s)| Runner | Races in common |
|---|---|