Hideyuki (間宮秀幸) Mamiya
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Born : 1980
Cat. M45 Ultrarunner since 2012
57
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
69
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
3
Countries visited ?
Germany
GreeceJapan
GermanyGreeceJapan3,3%
Rank quotient ?This runner's calculation uses 57 eligible race(s): Σ(rank − 1) = 1 525; Σ finishers = 45 808. 1 525 / 45 808 × 100 = 3.33%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed57
Km — ultra races6 634 km
> 100 km14
> 160 km5
> 200 km4
> 24h2
Longest race514,0 km
15th River Road Foot Race 514 km — 30/4/2019
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road88,1%
Trail11,9%
Wins & podiums (ultra)
🏆 Win9
🏆 Win M9
🏅 Top 319
🏅 Top 3 M19
Longest winning streak2
Current streak0
HISTORY
57 race(s)| Runner | Races in common |
|---|---|