Takashi (祖父江貴) Sobue
Born : 1958 Cat. M65 Ultrarunner since 2012 JPN
9
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
25
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
28,4%
Rank quotient ?This runner's calculation uses 9 eligible race(s): Σ(rank − 1) = 1 347; Σ finishers = 4 743. 1 347 / 4 743 × 100 = 28.40%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed9
Km — ultra races810 km
Longest race100,0 km

Km per year (ultra races)

2022
2023
2024
2025
50
1 race
2026

Race types (share of distance)

Road92,6%
Trail7,4%