Masato (内海正人) Utsumi
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Born : 1964
Cat. M60 Ultrarunner since 2015
24
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
Japan61,4%
Rank quotient ?This runner's calculation uses 24 eligible race(s): Σ(rank − 1) = 12 593; Σ finishers = 20 504. 12 593 / 20 504 × 100 = 61.42%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed24
Km — ultra races1 963 km
> 100 km5
> 160 km3
Longest race170,0 km
5th Ultra-Trail Mt. Fuji (UTMF) — 27/4/2018
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road11,9%
Trail88,1%
HISTORY
24 race(s)| Runner | Races in common |
|---|---|