Yoshihiko (石川佳彦) Ishikawa
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Born : 1988
Cat. M35 Ultrarunner since 2012
58
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
83
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
9
Countries visited ?
China
United Kingdom
Germany
Greece
Hong KongJapan
New Zealand
Taiwan
United States
ChinaUnited KingdomGermanyGreeceHong KongJapanNew ZealandTaiwanUnited States0,9%
Rank quotient ?This runner's calculation uses 62 eligible race(s): Σ(rank − 1) = 316; Σ finishers = 34 049. 316 / 34 049 × 100 = 0.93%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed62
Km — ultra races9 427 km
> 100 km33
> 160 km28
> 200 km17
> 24h11
Longest race279,4 km
19th Soochow/Taipei 24h Ultramarathon — 14/12/2019
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road82,7%
Trail17,3%
Wins & podiums (ultra)
🏆 Win32
🏆 Win M32
🏅 Top 343
🏅 Top 3 M43
Longest winning streak6
Current streak0
HISTORY
64 race(s) · 19 split(s) nested| Runner | Races in common |
|---|---|