Yasunori (下山康徳) Shimoyama
External sources
Loading FFA
Loading MV
FFA diagnostics
Run “Search / refresh FFA” to see each season, HTTP response, candidate and DUV comparison.
MarathonView diagnostics
Run “Refresh MV” to see login, session validation and parser status.
Cached locally. Empty refreshes never erase the last valid snapshot.
Born : 1974
Cat. M50 Ultrarunner since 2005
28
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
50
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
Japan21,8%
Rank quotient ?This runner's calculation uses 28 eligible race(s): Σ(rank − 1) = 7 159; Σ finishers = 32 833. 7 159 / 32 833 × 100 = 21.80%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed28
Km — ultra races2 760 km
Longest race100,0 km
1st Nara Ultra Marathon — 31/5/2026
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road96,4%
Trail3,6%
Wins & podiums (ultra)
🏆 Win0
🏆 Win M0
🏅 Top 31
🏅 Top 3 M1
Longest winning streak0
Current streak0
Records
HISTORY
28 race(s)| Runner | Races in common |
|---|---|