Hideyuki (石黒英之) Ishiguro
External sources
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Born : 1963
Cat. M60 Ultrarunner since 2014
37
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
50
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 ?Japan
Japan88,3%
Rank quotient ?This runner's calculation uses 37 eligible race(s): Σ(rank − 1) = 20 777; Σ finishers = 23 537. 20 777 / 23 537 × 100 = 88.27%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed37
Km — ultra races3 064 km
> 100 km12
> 160 km2
Longest race167,0 km
9th Ultra-Trail Mt. Fuji (UTMF) — 26/4/2024
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road19,8%
Trail80,2%
Wins & podiums (ultra)
🏆 Win0
🏆 Win M0
🏅 Top 30
🏅 Top 3 M1
Longest winning streak0
Current streak0
Records
HISTORY
37 race(s)| Runner | Races in common |
|---|---|