Takahiro (西川隆寛) Nishikawa
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Born : 1973
Cat. M50 Ultrarunner since 2012
37
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
1
Countries visited ?Japan
Japan33,8%
Rank quotient ?This runner's calculation uses 37 eligible race(s): Σ(rank − 1) = 6 129; Σ finishers = 18 136. 6 129 / 18 136 × 100 = 33.79%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed37
Km — ultra races3 178 km
> 100 km1
Longest race160,0 km
1st Shinkun Iga-goe Route Journey Run — 28/3/2026
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road92,0%
Trail8,0%
HISTORY
37 race(s)| Runner | Races in common |
|---|---|