Akira (坂井章) Sakai
External sources
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Born : 1961
Cat. M65 Ultrarunner since 2003
20
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
37
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
Japan76,7%
Rank quotient ?This runner's calculation uses 20 eligible race(s): Σ(rank − 1) = 13 757; Σ finishers = 17 927. 13 757 / 17 927 × 100 = 76.74%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed20
Km — ultra races1 788 km
> 100 km1
Longest race140,0 km
18. Yamaguchi 100 Hagi-O-Kan Maranic 140 km — 3/5/2006
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road94,4%
Trail5,6%
Records
HISTORY
20 race(s)| Runner | Races in common |
|---|---|