Yusuke (熊谷祐介) Kumagai
Born : 1992 Cat. M23 Ultrarunner since 2022 JPN
8
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
27
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
26,4%
Rank quotient ?This runner's calculation uses 8 eligible race(s): Σ(rank − 1) = 794; Σ finishers = 3 006. 794 / 3 006 × 100 = 26.41%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed8
Km — ultra races859 km
> 100 km4
> 160 km3
Longest race200,0 km

Km per year (ultra races)

211
3 races
2022
163
1 race
2023
428
3 races
2024
2025
58
1 race
2026

Race types (share of distance)

Road23,3%
Trail76,7%