Yoshihiro (岡田好広) Okada
Born : 1967 Cat. M55 Ultrarunner since 2017 JPN
34
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
32,8%
Rank quotient ?This runner's calculation uses 34 eligible race(s): Σ(rank − 1) = 6 186; Σ finishers = 18 875. 6 186 / 18 875 × 100 = 32.77%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed34
Km — ultra races2 916 km
> 100 km3
Longest race118,0 km

Km per year (ultra races)

623
7 races
2022
235
3 races
2023
471
5 races
2024
194
3 races
2025
100
1 race
2026

Race types (share of distance)

Road80,6%
Trail19,4%

HISTORY

34 race(s)
DateRacePerf.Rk
2026
19.04 100km JPN26. Okukumano 100 km Ultramarathon 12:09:21 h117
2025
05.07 55km JPN3rd Shiga Kogen 55 9:10:04 h120
31.05 62km JPN13th Tojinbo 62 km Ultramarathon 7:06:19 h34
18.05 77km JPN30th Saba Highway Ultramarathon 10:46:12 h239
2024
15.12 100km JPN7th Okinawa 100km Ultramarathon 12:49:39 h302
20.10 100km JPN6th Yasaka Ultra Marathon in Hamada - 100 km 14:44:00 h87
08.06 100.8km JPN4th Okushinano 100 18:45:42 h346
19.05 100km JPN30th Yatsugatake Nobeyama 100 km 13:41:12 h853
26.04 70km JPN3rd KAI 70k 16:22:43 h594
2023
07.10 73km JPN8th Gasando Trail running race 14:01:23 h162
27.05 62km JPN11th Tojinbo 62 km Ultramarathon 7:34:56 h54
23.04 100km JPN23. Okukumano 100 km Ultramarathon 11:27:22 h61
2022
04.12 52km JPN8th Kumano Old Trails 9:47:20 h186
09.10 100km JPN14th Echigo Kubikino 100km Ultramarathon 10:34:07 h113
19.06 100km JPN15. Okinoshima 100km Ultra Marathon 12:53:55 h94
12.06 100km JPN10th Hida Takayama 100 km Ultramarathon 11:26:59 h264
28.05 103km JPN10th Tojinbo 103 km Ultramarathon 12:01:55 h29
21.05 50km JPN8th Mt. Hiei Int. 50 km Trail Run 8:37:33 h165
17.04 118km JPN32th Fuji 5 Lakes 118 km Challenge 14:22:54 h263
2021
25.09 54km JPN8th Shigakogen Extreme Trail 11:20:05 h180
18.07 100km JPN1st Yamaguchi Hagi Return 13:19:55 h39
21.03 56km JPN24th Mt. Rocco Cannonball Run - 56 km Speed 8:21:58 h126
2020
17.10 56km JPN23th Mt. Rocco Cannonball Run - 56 km Night Speed 11:30:00 h80
22.03 56km JPN22th Mt. Rocco Cannonball Run - 56 km Speed 9:59:46 h183
12.01 100km JPN5th Yakushima Ultramarathon 100 km 11:33:49 h20
2019
29.09 100km JPN22th Muraoka 100 km Ultra Marathon 11:58:36 h129
09.06 100km JPN8th Hida Takayama 100 km Ultramarathon 10:32:24 h218
19.05 100km JPN25th Yatsugatake Nobeyama 100 km 11:48:29 h335
28.04 100km JPN21. Okukumano 100 km Ultramarathon 10:16:09 h48
13.01 100km JPN4th Yakushima Ultramarathon 12:04:07 h16
2018
10.06 100km JPN7th Hida Takayama 100 km Ultramarathon 10:51:23 h221
20.05 71km JPN24th Yatsugatake Nobeyama 71 km 7:58:57 h30
22.04 100km JPN20. Okukumano 100 km Ultramarathon 11:21:37 h72
2017
11.06 100km JPN6th Hida Takayama 100 km Ultramarathon 11:34:28 h440