Akira (斎藤晃) Saito
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Born : 1966
Cat. M60 Ultrarunner since 2006
46
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
62
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
Japan17,8%
Rank quotient ?This runner's calculation uses 46 eligible race(s): Σ(rank − 1) = 5 463; Σ finishers = 30 694. 5 463 / 30 694 × 100 = 17.80%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed47
Km — ultra races5 091 km
> 100 km20
> 160 km9
> 200 km5
Longest race250,0 km
1st Izuichi Great Race 250km — 21/3/2025
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road43,7%
Trail53,4%
Stage2,9%
HISTORY
46 race(s) · 2 stage(s) nested| Runner | Races in common |
|---|---|