Ryosuke (川田亮介) Kawada
Ultrarunner since 2022 JPN
19
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
41
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
20,2%
Rank quotient ?This runner's calculation uses 19 eligible race(s): Σ(rank − 1) = 668; Σ finishers = 3 307. 668 / 3 307 × 100 = 20.20%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed19
Km — ultra races2 121 km
> 100 km10
> 160 km1
> 200 km1
Longest race225,0 km
14th Gunma 100km Walk — 10/5/2025

Km per year (ultra races)

104
1 race
2022
435
4 races
2023
947
9 races
2024
535
4 races
2025
100
1 race
2026

Race types (share of distance)

Road55,0%
Trail15,3%
Ult.Walk29,7%

Wins & podiums (ultra)

🏆 Win4
🏆 Win M4
🏅 Top 37
🏅 Top 3 M7
Longest winning streak2
Current streak0