Toshiharu (泉利治) Izumi
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Born : 1952
Cat. M70 Ultrarunner since 2010
42
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
Japan17,0%
Rank quotient ?This runner's calculation uses 42 eligible race(s): Σ(rank − 1) = 8 463; Σ finishers = 49 707. 8 463 / 49 707 × 100 = 17.03%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed42
Km — ultra races3 730 km
> 100 km3
Longest race105,0 km
Tachibana Bay Coast 105 Ultra Marathon — 2/11/2018
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road97,6%
Ult.Walk2,4%
Records
HISTORY
42 race(s)| Runner | Races in common |
|---|---|