Masahiro (津田将弘) Tsuda
Born : 1975 Cat. M50 Ultrarunner since 2010 JPN
20
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
36
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
44,3%
Rank quotient ?This runner's calculation uses 20 eligible race(s): Σ(rank − 1) = 3 915; Σ finishers = 8 846. 3 915 / 8 846 × 100 = 44.26%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed20
Km — ultra races1 745 km
> 100 km9
> 160 km3
Longest race169,0 km
4th Lake Biwa 100 — 11/10/2024

Km per year (ultra races)

167
1 race
2022
51
1 race
2023
284
2 races
2024
2025
2026

Race types (share of distance)

Trail100,0%