Koji (山屋光司) Yamaya
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Born : 1974
Cat. M50 Ultrarunner since 2008
34
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
50
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
5
Countries visited ?
France
Hong KongJapan
Taiwan
United States
FranceHong KongJapanTaiwanUnited States8,0%
Rank quotient ?This runner's calculation uses 34 eligible race(s): Σ(rank − 1) = 2 053; Σ finishers = 25 767. 2 053 / 25 767 × 100 = 7.97%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed34
Km — ultra races3 453 km
> 100 km11
> 160 km6
Longest race166,0 km
9ème Ultra Trail Tour du Mont Blanc (UTMB) — 26/8/2011
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road20,9%
Trail79,1%
Wins & podiums (ultra)
🏆 Win0
🏆 Win M1
🏅 Top 34
🏅 Top 3 M5
Longest winning streak0
Current streak0
HISTORY
34 race(s)| Runner | Races in common |
|---|---|