Hironobu (関裕信) Seki
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Born : 1963
Cat. M60 Ultrarunner since 2013
33
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
46
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
Japan58,7%
Rank quotient ?This runner's calculation uses 33 eligible race(s): Σ(rank − 1) = 18 179; Σ finishers = 30 972. 18 179 / 30 972 × 100 = 58.69%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed33
Km — ultra races2 661 km
> 100 km1
> 160 km1
Longest race167,0 km
7th Ultra-Trail Mt. Fuji (UTMF) — 22/4/2022
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road47,4%
Trail52,6%
HISTORY
33 race(s)| Runner | Races in common |
|---|---|