Kazuhito (中嶋一史) Nakajima
Born : 1970 Cat. M55 Ultrarunner since 2006 JPN
23
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
37
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
2
Countries visited ?HKGHong KongJPNJapan
21,7%
Rank quotient ?This runner's calculation uses 23 eligible race(s): Σ(rank − 1) = 1 738; Σ finishers = 8 017. 1 738 / 8 017 × 100 = 21.68%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed23
Km — ultra races1 742 km
> 100 km4
> 160 km1
Longest race160,9 km

Km per year (ultra races)

255
4 races
2022
51
1 race
2023
2024
108
2 races
2025
2026

Race types (share of distance)

Road23,7%
Trail76,3%