Jiro (中井戸次郎) Nakaido
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Born : 1965
Cat. M60 Ultrarunner since 2009
31
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
48
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
Japan33,2%
Rank quotient ?This runner's calculation uses 31 eligible race(s): Σ(rank − 1) = 7 226; Σ finishers = 21 777. 7 226 / 21 777 × 100 = 33.18%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed31
Km — ultra races2 767 km
> 100 km8
> 160 km4
Longest race170,3 km
4th Ultra-Trail Mt. Fuji (UTMF) — 25/9/2015
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road23,7%
Trail76,3%
HISTORY
31 race(s)| Runner | Races in common |
|---|---|