Shoei (中川正栄) Nakagawa
Born : 1972 Cat. M50 Ultrarunner since 2008 JPN
8
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
24
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
73,2%
Rank quotient ?This runner's calculation uses 8 eligible race(s): Σ(rank − 1) = 2 915; Σ finishers = 3 983. 2 915 / 3 983 × 100 = 73.19%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed8
Km — ultra races647 km
> 100 km2
Longest race125,0 km

Km per year (ultra races)

110
1 race
2022
176
2 races
2023
56
1 race
2024
2025
2026

Race types (share of distance)

Road40,2%
Trail23,5%
Ult.Walk36,3%