Shinji (壺井真次) Tsuboi
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Born : 1955
Cat. M70 Ultrarunner since 2003
22
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
44
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
Japan80,4%
Rank quotient ?This runner's calculation uses 22 eligible race(s): Σ(rank − 1) = 6 397; Σ finishers = 7 953. 6 397 / 7 953 × 100 = 80.44%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed22
Km — ultra races2 314 km
> 100 km3
> 160 km2
> 200 km1
Longest race250,0 km
20. Yamaguchi 100 Hagi-O-Kan Maranic 250 km — 2/5/2008
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road82,7%
Trail17,3%
Wins & podiums (ultra)
🏆 Win0
🏆 Win M0
🏅 Top 31
🏅 Top 3 M1
Longest winning streak0
Current streak0
Records
HISTORY
22 race(s)| Runner | Races in common |
|---|---|