Naohisa (高山尚久) Takayama
Born : 1961 Cat. M65 Ultrarunner since 2009 JPN
22
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 ?JPNJapan
26,6%
Rank quotient ?This runner's calculation uses 22 eligible race(s): Σ(rank − 1) = 5 657; Σ finishers = 21 305. 5 657 / 21 305 × 100 = 26.55%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed22
Km — ultra races2 031 km
> 100 km4
> 160 km2
Longest race160,9 km

Km per year (ultra races)

72
1 race
2022
2023
100
1 race
2024
2025
2026

Race types (share of distance)

Road29,5%
Trail70,5%