Ryoichi (黒木良一) Kuroki
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Born : 1975
Cat. M50 Ultrarunner since 2012
43
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
79
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
Japan8,3%
Rank quotient ?This runner's calculation uses 43 eligible race(s): Σ(rank − 1) = 830; Σ finishers = 10 023. 830 / 10 023 × 100 = 8.28%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed43
Km — ultra races7 475 km
> 100 km22
> 160 km12
> 200 km9
> 24h6
> 48h3
Longest race582,0 km
Across Honshu R9 Foot Race — 22/4/2021
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road80,6%
Trail10,4%
Elim.9,1%
Wins & podiums (ultra)
🏆 Win5
🏆 Win M6
🏅 Top 315
🏅 Top 3 M15
Longest winning streak1
Current streak0
HISTORY
43 race(s)| Runner | Races in common |
|---|---|