Masaaki (西川雅明) Nishikawa
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Born : 1960
Cat. M65 Ultrarunner since 2002
27
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
39
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
Japan9,5%
Rank quotient ?This runner's calculation uses 27 eligible race(s): Σ(rank − 1) = 3 062; Σ finishers = 32 223. 3 062 / 32 223 × 100 = 9.50%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed27
Km — ultra races2 299 km
> 100 km1
Longest race156,0 km
1st Ultra-Trail Mount Fuji (UTMF) — 18/5/2012
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road44,7%
Trail55,3%
Records
HISTORY
27 race(s)| Runner | Races in common |
|---|---|