Masayuki (河野真行) Kono
Ultrarunner since 2018 JPN
22
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
46
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
19,7%
Rank quotient ?This runner's calculation uses 22 eligible race(s): Σ(rank − 1) = 840; Σ finishers = 4 272. 840 / 4 272 × 100 = 19.66%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed22
Km — ultra races2 587 km
> 100 km12
> 160 km2
> 200 km1
Longest race225,0 km
14th Gunma 100km Walk — 10/5/2025

Km per year (ultra races)

433
4 races
2022
433
4 races
2023
315
3 races
2024
752
5 races
2025
225
2 races
2026

Race types (share of distance)

Road37,1%
Trail19,3%
Ult.Walk43,6%