Shuji (石川修二) Ishikawa
ID 892999
Born : 1963 Cat. M60 Ultrarunner since 2016 JPN
8
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
21
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
20,8%
Rank quotient ?This runner's calculation uses 8 eligible race(s): Σ(rank − 1) = 541; Σ finishers = 2 599. 541 / 2 599 × 100 = 20.82%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed8
Km — ultra races530 km
> 100 km1
Longest race112,0 km
20th Mt. Rocco Cannonball Run - 112 km Power — 23/3/2019

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Road74,0%
Trail26,0%

Records

No record for a classic ultra format

HISTORY

8 race(s)
DateRacePerf.Rk
2019
27.10 73km JPN10th OSJ Hyonosen Mountains Trail Race 13:59:47 h159
20.10 56km JPN21th Mt. Rocco Cannonball Run - 56 km Speed 6:58:43 h11
07.09 65km JPN3rd Kyoto Grand Traverse 10:38:54 h58
23.03 112km JPN20th Mt. Rocco Cannonball Run - 112 km Power 17:25:16 h52
2018
21.10 56km JPN19th Mt. Rocco Cannonball Run - 56 km Speed 6:59:12 h19
25.03 56km JPN18th Mt. Rocco Cannonball Run - 56 km Speed 6:43:44 h30
2017
26.03 56km JPN16th Mt. Rocco Cannonball Run - 56 km Speed 6:40:00 h52
2016
23.10 56km JPN15th Mt. Rocco Cannonball Run - 56 km Speed 9:02:00 h168