Yoshiaki (千代善昭) Sendai
ID 176147
Born : 1957 Cat. M65 Ultrarunner since 2010 JPN
45
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
41,4%
Rank quotient ?This runner's calculation uses 45 eligible race(s): Σ(rank − 1) = 13 073; Σ finishers = 31 555. 13 073 / 31 555 × 100 = 41.43%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed45
Km — ultra races4 022 km
> 100 km6
Longest race160,0 km
1st Shinkun Iga-goe Route Journey Run — 28/3/2026

Km per year (ultra races)

103
1 race
2022
90
1 race
2023
100
1 race
2024
115
1 race
2025
160
1 race
2026

Race types (share of distance)

Road55,6%
Trail44,4%

Records

50 km7h03'19100 km10h52'5450 mi15h36'52100 mi31h39'36

HISTORY

45 race(s)
DateRacePerf.Rk
2026
28.03 160km JPN1st Shinkun Iga-goe Route Journey Run 31:39:36 h136
2025
15.03 115km JPN15th Oedo Night run 115k 16:40:22 h19
2024
13.10 100km JPN15th Echigo Kubikino 100km Ultramarathon 13:24:54 h616
2023
11.03 90km JPN13th Little Edo 90k 11:15:22 h23
2022
28.05 103km JPN10th Tojinbo 103 km Ultramarathon 14:17:32 h124
2021
07.11 50km JPN8th Nakanoto Treasure Trail Run Festival 7:38:41 h135
2019
03.11 50km JPN6th Nakanoto Treasure Trail Run Festival 7:24:17 h121
02.06 100km JPN2nd Nanto 100 km Ultramarathon 13:59:14 h217
2018
04.11 50km JPN5th Nakanoto Treasure Trail Run Festival 7:03:19 h54
10.06 100km JPN7th Hida Takayama 100 km Ultramarathon 12:04:16 h509
03.05 70km JPN26. Mukogawa Yurikamome Ultra Marathon 8:12:59 h468
2017
22.10 50km JPN3rd Gasando Trail running race 8:13:42 h71
03.05 70km JPN25. Mukogawa Yurikamome Ultra Marathon 6:55:41 h155
25.03 112km JPN16th Mt. Rocco Cannonball Run - 112 km Power 20:09:00 h135
2016
13.11 75km JPN2nd Gasando Trail running race 13:13:53 h189
16.10 100km JPN5th Noto Peninsula 100 km Ultra Marathon 11:39:03 h65
16.07 65km JPN7th Nozawa Onsen 4100D Mountain Trail 12:51:53 h196
02.07 80km JPN6th Utsukushigahara 80 km Trail Run 15:36:52 h471
12.06 100km JPN5th Hida Takayama 100 km Ultramarathon 12:06:10 h455
05.06 78km JPN23. Ultramarathon Okumusashi 9:40:35 h732
22.05 100km JPN22nd Yatsugatake Nobeyama 100 km 13:44:23 h1127
03.05 70km JPN24. Mukogawa Yurikamome Ultra Marathon 8:23:37 h518
2015
27.09 100km JPN18th Muraoka 100 km Ultra Marathon 12:11:34 h133
13.09 100km JPN3rd 100 km Ultramarathon Hakusan-Shirakawago 13:28:26 h343
22.06 77km JPN22. Ultramarathon Okumusashi 7:49:18 h209
17.05 73km JPN1st Gasando Trail running race 9:56:07 h108
03.05 70km JPN23. Mukogawa Yurikamome Ultra Marathon 6:46:36 h129
2014
12.10 100km JPN10th Echigo Kubikino 100km Ultramarathon 13:06:16 h999
08.06 100km JPN3rd Hida Takayama 100 km Ultramarathon 11:29:25 h256
18.05 100km JPN20th Yatsugatake Nobeyama 100 km 11:42:58 h269
2013
29.09 100km JPN1st 100 km Ultramarathon Hakusan-Shirakawago 11:47:52 h141
28.07 77km JPN20. Ultramarathon Okumusashi 8:24:35 h285
09.06 100km JPN2nd Hida Takayama 100 km Ultramarathon 11:41:52 h213
19.05 100km JPN19th Yatsugatake Nobeyama 100 km 12:57:43 h594
28.04 100km JPN15. Okukumano 100 km Ultramarathon 11:29:32 h44
2012
07.10 71.5km JPN20th Hasetsune Cup - Japan Mountain Endurance Race 17:45:23 h1214
15.07 100km JPN5th OSJ Ontake 100km Ultra Trail 13:11:38 h214
20.05 100km JPN18th Yatsugatake Nobeyama 100 km 11:06:19 h139
03.05 70km JPN20. Mukogawa Yurikamome Ultra Marathon 6:43:00 h99
22.04 112km JPN22nd Fuji 5 Lakes 112 km Challenge 11:35:38 h77
2011
17.07 100km JPN4th OSJ Ontake 100km Ultra Trail 14:40:50 h143
30.04 112km JPN21st Fuji 5 Lakes 112 km Challenge 12:13:49 h104
2010
10.10 71.5km JPN18th Hasetsune Cup - Japan Mountain Endurance Race 16:06:29 h604
18.07 100km JPN3rd OSJ Ontake 100km Ultra Trail 14:57:56 h130
16.05 100km JPN16th Yatsugatake Nobeyama 100 km 10:52:54 h135