Takaya (石川貴哉) Ishikawa
ID 916744
Born : 1993 Cat. M23 Ultrarunner since 2016 JPN
12
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
29
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
2
Countries visited ?JPNJapanTHAThailand
14,1%
Rank quotient ?This runner's calculation uses 12 eligible race(s): Σ(rank − 1) = 623; Σ finishers = 4 403. 623 / 4 403 × 100 = 14.15%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed12
Km — ultra races1 034 km
> 100 km4
> 160 km1
Longest race160,9 km
3rd Trainic World 100 Mile in Sai-No-Kuni — 19/5/2018

Km per year (ultra races)

2022
51
1 race
2023
575
6 races
2024
2025
2026

Race types (share of distance)

Road45,9%
Trail54,1%

Wins & podiums (ultra)

🏆 Win1
🏆 Win M1
🏅 Top 31
🏅 Top 3 M1
Longest winning streak1
Current streak0

Records

50 km7h18'34100 km11h25'36100 mi22h59'18

HISTORY

12 race(s)
DateRacePerf.Rk
2024
01.12 50km JPN11th Trainic world Soto-Chichibu Trail Run 50km 7:18:34 h25
23.08 101km JPN11th World Cultural Heritage "Fuji" Foot Race 13:07:38 h40
08.06 159km JPN5th Nikko Sennin Concentric Highway Journey Run 22:59:18 h9
19.05 100km JPN30th Yatsugatake Nobeyama 100 km 11:25:36 h173
09.03 115km JPN14th Oedo Night run 115k 13:35:48 h1 🏆
07.01 50km THA3rd Columbia Trail Masters x Wisdom Valley 8:06:18 h7
2023
03.12 51.4km JPN11th Trainic world Ogose-Tokigawa Trail Run 50km 6:53:55 h11
2018
19.05 100mi JPN3rd Trainic World 100 Mile in Sai-No-Kuni 32:56:29 h17
2017
23.04 70km JPN3rd Okumikawa Power Trail 10:19:47 h72
2016
11.12 71.7km JPN3rd Izu Trail Journey 9:54:37 h147
22.10 60km JPN3rd Shigakogen Extreme Trail 8:48:39 h48
12.06 45.4km JPN9th Skyline Trail Sugadaira 6:37:39 h85