Ryuji (浜坂龍司) Hamasaka
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Born : 1976
Cat. M50 Ultrarunner since 2015
19
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
40
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 ?Japan
Japan60,8%
Rank quotient ?This runner's calculation uses 19 eligible race(s): Σ(rank − 1) = 6 388; Σ finishers = 10 512. 6 388 / 10 512 × 100 = 60.77%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed20
Km — ultra races1 942 km
> 100 km4
> 160 km1
> 200 km1
Longest race207,0 km
5th Reiheishi Michi Kyoto to Nikko - 207 km — 29/4/2026
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road92,3%
Stage7,7%
Records
HISTORY
19 race(s) · 2 stage(s) nested| Runner | Races in common |
|---|---|