Hiroko (石川弘子) Ishikawa
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Born : 1971
Cat. W55 Ultrarunner since 2015
36
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
4
Countries visited ?Japan
South Korea
New Zealand
Switzerland
JapanSouth KoreaNew ZealandSwitzerland63,5%
Rank quotient ?This runner's calculation uses 37 eligible race(s): Σ(rank − 1) = 14 871; Σ finishers = 23 409. 14 871 / 23 409 × 100 = 63.53%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed37
Km — ultra races3 066 km
> 100 km7
> 160 km1
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)
Road38,1%
Trail61,9%
HISTORY
37 race(s)| Runner | Races in common |
|---|---|