Katsuyuki (岡本勝幸) Okamoto
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Born : 1961
Cat. M65 Ultrarunner since 2007
49
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
65
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
Japan13,4%
Rank quotient ?This runner's calculation uses 49 eligible race(s): Σ(rank − 1) = 2 578; Σ finishers = 19 301. 2 578 / 19 301 × 100 = 13.36%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed49
Km — ultra races5 928 km
> 100 km12
> 160 km8
> 200 km8
Longest race250,0 km
29. Yamaguchi 100 Hagi-O-Kan Maranic 250 km — 2/5/2017
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road100,0%
Records
HISTORY
49 race(s)| Runner | Races in common |
|---|---|