Kenichi (西岡賢一) Nishioka
Born : 1992 Cat. M23 Ultrarunner since 2015 JPN
19
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
35
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
6
Countries visited ?ESPSpainFRAFranceITAItalyJPNJapanMRIMauritiusTPETaiwan
18,0%
Rank quotient ?This runner's calculation uses 19 eligible race(s): Σ(rank − 1) = 2 563; Σ finishers = 14 252. 2 563 / 14 252 × 100 = 17.98%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed19
Km — ultra races1 594 km
> 100 km6
> 160 km1
Longest race170,0 km

Km per year (ultra races)

282
3 races
2022
290
3 races
2023
410
5 races
2024
257
3 races
2025
52
1 race
2026

Race types (share of distance)

Road6,3%
Trail93,7%

Wins & podiums (ultra)

🏆 Win1
🏆 Win M1
🏅 Top 31
🏅 Top 3 M1
Longest winning streak1
Current streak0