Kazuhisa (長澤一久) Nagasawa
Born : 1968 Cat. M55 Ultrarunner since 2017 JPN
6
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
21
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
63,8%
Rank quotient ?This runner's calculation uses 6 eligible race(s): Σ(rank − 1) = 4 104; Σ finishers = 6 429. 4 104 / 6 429 × 100 = 63.84%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed6
Km — ultra races534 km
Longest race100,0 km

Km per year (ultra races)

100
1 race
2022
2023
2024
2025
2026

Race types (share of distance)

Road86,6%
Trail13,4%