Shigeru (古田茂) Furuta
Born : 1970 Cat. M55 Ultrarunner since 2010 JPN
22
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
48
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
3
Countries visited ?FRAFranceJPNJapanUSAUnited States
8,5%
Rank quotient ?This runner's calculation uses 22 eligible race(s): Σ(rank − 1) = 1 474; Σ finishers = 17 439. 1 474 / 17 439 × 100 = 8.45%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed22
Km — ultra races2 674 km
> 100 km14
> 160 km9
Longest race168,0 km

Km per year (ultra races)

161
1 race
2022
231
2 races
2023
328
2 races
2024
165
1 race
2025
2026

Race types (share of distance)

Road3,7%
Trail96,3%