Akira (今井顯) Imai
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Born : 1957
Cat. M65 Ultrarunner since 2014
18
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
39
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
Japan66,7%
Rank quotient ?This runner's calculation uses 18 eligible race(s): Σ(rank − 1) = 2 922; Σ finishers = 4 379. 2 922 / 4 379 × 100 = 66.73%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed18
Km — ultra races1 804 km
> 100 km3
> 160 km2
> 200 km1
Longest race276,0 km
19th Nagasaki Tachibana Gulf Coast Super Maranic 276 — 22/11/2025
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road90,8%
Trail9,2%
HISTORY
18 race(s)| Runner | Races in common |
|---|---|