Hideyuki (古山秀之) Furuyama
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Born : 1964
Cat. M60 Ultrarunner since 2010
33
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
Japan46,1%
Rank quotient ?This runner's calculation uses 33 eligible race(s): Σ(rank − 1) = 6 389; Σ finishers = 13 874. 6 389 / 13 874 × 100 = 46.05%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed33
Km — ultra races3 046 km
> 100 km1
Longest race105,0 km
3rd Miyagi Yumeguri Ultra Marathon - 105 km — 7/9/2019
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road97,5%
Trail2,5%
Records
HISTORY
33 race(s)| Runner | Races in common |
|---|---|