Isamu (山岡勇) Yamaoka
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Born : 1962
Cat. M60 Ultrarunner since 2007
24
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
47
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
Japan42,7%
Rank quotient ?This runner's calculation uses 24 eligible race(s): Σ(rank − 1) = 12 686; Σ finishers = 29 710. 12 686 / 29 710 × 100 = 42.70%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed24
Km — ultra races2 465 km
> 100 km7
Longest race143,0 km
14th Karisakatoge beyond Chichibu Run — 18/9/2011
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road95,9%
Trail4,1%
Records
HISTORY
24 race(s)| Runner | Races in common |
|---|---|