Ko (及川恒) Oikawa
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Born : 1954
Cat. M70 Ultrarunner since 2002
17
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
34
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
Japan71,4%
Rank quotient ?This runner's calculation uses 17 eligible race(s): Σ(rank − 1) = 19 511; Σ finishers = 27 330. 19 511 / 27 330 × 100 = 71.39%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed17
Km — ultra races1 216 km
Longest race71,5 km
32th Hasetsune Cup - Japan Mountain Endurance Race — 13/10/2024
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail100,0%
Records
No record for a classic ultra format
HISTORY
17 race(s)| Runner | Races in common |
|---|---|