Yoshiaki (清水良明) Shimizu
Born : 1964 Cat. M60 Ultrarunner since 2015 JPN
6
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
22
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
10,6%
Rank quotient ?This runner's calculation uses 6 eligible race(s): Σ(rank − 1) = 424; Σ finishers = 3 991. 424 / 3 991 × 100 = 10.62%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed6
Km — ultra races544 km
> 100 km2
Longest race118,0 km

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Road87,5%
Trail12,5%

Records