Shun (岡崎俊) Okazaki
ID 365405
Born : 1971 Cat. M55 Ultrarunner since 2012 JPN
25
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
42
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
35,9%
Rank quotient ?This runner's calculation uses 25 eligible race(s): Σ(rank − 1) = 8 710; Σ finishers = 24 250. 8 710 / 24 250 × 100 = 35.92%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed25
Km — ultra races2 243 km
> 100 km5
> 160 km1
Longest race167,0 km
9th Ultra-Trail Mt. Fuji (UTMF) — 26/4/2024

Km per year (ultra races)

225
3 races
2022
328
4 races
2023
426
4 races
2024
288
4 races
2025
158
2 races
2026

Race types (share of distance)

Road55,1%
Trail44,9%

Records

50 km8h22'14100 km9h53'5712 h69,60 km

HISTORY

25 race(s)
DateRacePerf.Rk
2026
20.06 58km JPN2nd Kaga Spa by UTMB - Kaga Spa Trail Endurance 50 9:18:27 h135
31.05 100km JPN1st Nara Ultra Marathon 12:10:31 h649
2025
14.12 70km JPN12th Izu Trail Journey 11:06:56 h328
02.11 48km JPN7th Ninja Trail Run 7:04:20 h59
08.06 100km JPN13th Hida Takayama 100 km Ultramarathon 13:10:15 h984
03.05 12h JPN5th Yarikan 12h 69.600 km41
2024
15.09 109km JPN16th Shinetsu Five Mountains Trail 110km 15:24:15 h74
09.06 100km JPN12th Hida Takayama 100 km Ultramarathon 9:53:57 h136
11.05 50km JPN10th Mt. Hiei Int. 50 km Trail Run 8:22:14 h73
26.04 167km JPN9th Ultra-Trail Mt. Fuji 44:40:41 h1327
2023
02.09 59km JPN7th Kyoto Grand Traverse 11:05:39 h150
10.06 100.8km JPN3rd Okushinano 100 17:44:39 h264
13.05 50km JPN9th Mt. Hiei Int. 50 km Trail Run 8:48:05 h145
16.04 118km JPN33th Fuji 5 Lakes 118 km Challenge 14:03:04 h191
2022
11.12 70km JPN9th Izu Trail Journey 9:52:46 h279
03.09 55.2km JPN6th Kyoto Grand Traverse 10:45:43 h100
12.06 100km JPN10th Hida Takayama 100 km Ultramarathon 10:27:32 h132
2019
09.06 100km JPN8th Hida Takayama 100 km Ultramarathon 11:35:07 h517
2018
10.06 100km JPN7th Hida Takayama 100 km Ultramarathon 11:42:55 h399
22.04 118km JPN28th Fuji 5 Lakes 118 km Challenge 12:44:21 h84
2017
21.05 100km JPN23rd Yatsugatake Nobeyama 100 km 11:59:43 h279
2016
12.06 100km JPN5th Hida Takayama 100 km Ultramarathon 11:58:55 h438
2015
07.06 100km JPN4th Hida Takayama 100 km Ultramarathon 12:56:08 h666
2014
19.10 100km JPN20th River Shimanto 100km 13:46:08 h1097
2012
21.10 100km JPN18th River Shimanto 100km 10:50:33 h188