Yoshinori (古谷芳則) Furuya
Born : 1978 Cat. M45 Ultrarunner since 2013 JPN
1
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
9
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 ?JPNJapan
76,9%
Rank quotient ?This runner's calculation uses 1 eligible race(s): Σ(rank − 1) = 120; Σ finishers = 156. 120 / 156 × 100 = 76.92%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed1
Km — ultra races88 km
Longest race88,0 km

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Road100,0%

Records

No record for a classic ultra format

HISTORY

1 race(s)
DateRacePerf.Rk
2013
29.09 88km JPN16th Muraoka 88 km Ultra Marathon 13:16:22 h121