Masayuki (岩田雅之) Iwata
Born : 1985 Cat. M40 Ultrarunner since 2012 JPN
2
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
11
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
70,1%
Rank quotient ?This runner's calculation uses 2 eligible race(s): Σ(rank − 1) = 241; Σ finishers = 344. 241 / 344 × 100 = 70.06%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed2
Km — ultra races131 km
Longest race71,0 km

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Road45,8%
Trail54,2%

Records

No record for a classic ultra format