Keishi (西尾圭史) Nishio
Born : 1975 Cat. M50 Ultrarunner since 2013 JPN
8
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
28
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 ?JPNJapan
78,6%
Rank quotient ?This runner's calculation uses 8 eligible race(s): Σ(rank − 1) = 3 337; Σ finishers = 4 245. 3 337 / 4 245 × 100 = 78.61%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed8
Km — ultra races970 km
> 100 km6
> 160 km2
> 24h2
Longest race171,3 km

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Road92,6%
Trail7,4%