Takayuki (石田貴之) Ishida
Born : 1963 Cat. M60 Ultrarunner since 2012 JPN
29
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
1
Countries visited ?JPNJapan
56,0%
Rank quotient ?This runner's calculation uses 29 eligible race(s): Σ(rank − 1) = 8 129; Σ finishers = 14 513. 8 129 / 14 513 × 100 = 56.01%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed29
Km — ultra races3 021 km
> 100 km4
> 160 km1
> 200 km1
Longest race570,0 km

Km per year (ultra races)

56
1 race
2022
2023
1 091
6 races
2024
64
1 race
2025
260
2 races
2026

Race types (share of distance)

Road98,1%
Trail1,9%

HISTORY

29 race(s)
DateRacePerf.Rk
2026
28.03 160km JPN1st Shinkun Iga-goe Route Journey Run 30:26:05 h109
24.01 100km JPN36th Miyako 100 km Ultramarathon 12:56:57 h187
2025
28.09 64km JPN28th Muraoka 64 km Ultra Marathon 10:00:35 h575
2024
05.10 151km JPN1st Noto Country Journey Run 25:02:12 h74
09.06 100km JPN12th Hida Takayama 100 km Ultramarathon 11:10:10 h299
26.05 100km JPN30th Ebisu-Daikoku 100 km Marathon 12:04:05 h92
27.04 570km JPN3rd Reiheishi Michi Kyoto to Nikko - 570 km 8d 04:54:42 h13
21.04 70km JPN15th 70 km Ultra Maranic Osaka 9:51:24 h199
16.03 100km JPN8th Minamiboso 100km 11:58:51 h23
2022
19.03 56km JPN26th Mt. Rocco Cannonball Run - 56 km Speed 9:51:15 h273
2020
18.10 56km JPN23th Mt. Rocco Cannonball Run - 56 km Speed 9:45:00 h308
2019
08.12 100km JPN2nd Tobishima Ultra Marathon 11:49:50 h65
13.04 102km JPN5th Okuizumo Ultra Orochi 100km Tooashi 14:59:59 h369
2018
10.06 100km JPN2nd Koyasan and Ryujin-Onsen 100 km Ultra Marathon 13:39:03 h214
22.04 70km JPN10th 70 km Ultra Maranic Osaka 9:33:28 h126
2017
24.09 100km JPN20th Muraoka 100 km Ultra Marathon 13:38:12 h178
11.06 100km JPN6th Hida Takayama 100 km Ultramarathon 12:43:31 h810
26.03 56km JPN16th Mt. Rocco Cannonball Run - 56 km Speed 9:02:00 h341
2016
23.10 56km JPN15th Mt. Rocco Cannonball Run - 56 km Speed 8:50:00 h139
24.04 70km JPN8th 70 km Ultra Maranic Osaka 10:19:27 h225
2015
27.09 88km JPN18th Muraoka 88 km Ultra Marathon 11:52:33 h67
20.09 100km JPN15th Tango 100 km Ultramarathon 13:15:18 h1006
26.04 70km JPN7th 70 km Ultra Maranic Osaka 9:50:56 h177
2014
14.09 100km JPN14th Tango 100 km Ultramarathon 12:48:04 h677
2013
27.10 56km JPN9th Mt. Rocco Cannonball Run - 56 km Speed 9:29:00 h168
15.09 100km JPN13th Tango 100 km Ultramarathon 13:45:07 h1167
21.04 100km JPN5th 100 km Ultra Maranic Osaka 11:24:01 h109
24.03 56km JPN8th Mt. Rocco Cannonball Run - 56 km Speed 9:34:00 h106
2012
20.05 70km JPN4th 70 km Ultra Maranic Osaka 8:12:25 h62