Koki (及川光紀) Oikawa
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Born : 1965
Cat. M60 Ultrarunner since 2007
34
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
77
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
Japan44,1%
Rank quotient ?This runner's calculation uses 34 eligible race(s): Σ(rank − 1) = 1 734; Σ finishers = 3 929. 1 734 / 3 929 × 100 = 44.13%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed38
Km — ultra races7 320 km
> 100 km32
> 160 km13
> 200 km13
Longest race520,0 km
13th River Road Foot Race 520 km — 30/4/2017
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road91,3%
Trail1,4%
Stage7,4%
Records
HISTORY
34 race(s) · 8 stage(s) nested| Runner | Races in common |
|---|---|