Hideaki (古川英明) Furukawa
External sources
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38
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
53
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
5
Countries visited ?
France
Italy
Japan
Taiwan
United States
39,3%
Rank quotient ?This runner's calculation uses 38 eligible race(s): Σ(rank − 1) = 9 106; Σ finishers = 23 167. 9 106 / 23 167 × 100 = 39.31%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed38
Km — ultra races3 628 km
> 100 km17
> 160 km5
Longest race170,0 km
14ème Ultra Trail Tour du Mont Blanc (UTMB) — 26/8/2016
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road16,0%
Trail84,0%
HISTORY
38 race(s)| Runner | Races in common |
|---|---|