Nahoko Iwata
Born : 1972 Cat. W50 Ultrarunner since 2012 JPN
20
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
40
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 ?USAUnited States
63,2%
Rank quotient ?This runner's calculation uses 20 eligible race(s): Σ(rank − 1) = 1 954; Σ finishers = 3 094. 1 954 / 3 094 × 100 = 63.15%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed20
Km — ultra races1 751 km
> 100 km6
> 160 km6
> 24h1
Longest race165,6 km

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Road12,3%
Trail87,7%

Wins & podiums (ultra)

🏆 Win0
🏆 Win F0
🏅 Top 31
🏅 Top 3 F2
Longest winning streak0
Current streak0