Nobutaka (宮吉信孝) Miyayoshi
ID 845268
Born : 1968 Cat. M55 Ultrarunner since 2013 JPN
41
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
25,8%
Rank quotient ?This runner's calculation uses 41 eligible race(s): Σ(rank − 1) = 5 443; Σ finishers = 21 098. 5 443 / 21 098 × 100 = 25.80%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed42
Km — ultra races3 888 km
> 100 km7
> 160 km1
Longest race161,6 km
1st Nikko Sennin Concentric Journey Run — 15/6/2019

Km per year (ultra races)

559
6 races
2022
450
5 races
2023
358
3 races
2024
511
5 races
2025
260
3 races
2026

Race types (share of distance)

Road97,9%
Stage2,1%

Wins & podiums (ultra)

🏆 Win0
🏆 Win M0
🏅 Top 30
🏅 Top 3 M2
Longest winning streak0
Current streak0

Records

100 km9h37'33100 mi26h44'3612 h109,20 km

HISTORY

42 race(s)
DateRacePerf.Rk
2026
19.04 100km JPN36th Fuji 4 Lakes 100 km Challenge 11:30:26 h348
11.04 60km JPN21st Toda Saiko 60 km 5:44:31 h17
08.03 100km JPN8th Ibaraki 100k Ultra Marathon 9:37:33 h84
2025
15.11 142km JPN7th Autumn leaves in Okumusashi / Chichibu Journey run 16:11:57 h4
19.10 70km JPN32. Ultramarathon Okumusashi 7:07:40 h48
12.10 12h JPN3rd Aizu Yanaizu Akabeko Marathon - 12h 109.200 km5
20.04 100km JPN35th Fuji 4 Lakes 100 km Challenge 10:24:37 h189
15.03 90km JPN15th Little Edo 90k 9:29:02 h7
2024
02.11 142km JPN6th Autumn leaves in Okumusashi / Chichibu Journey run 19:14:55 h10
20.10 70km JPN31. Ultramarathon Okumusashi 6:50:13 h46
29.09 64km JPN11th Naeba-Sanroku Geopark Tsunan Ultramarathon 64K 6:25:20 h4
16.03 82km JPN12th Arakawa Riverside Journey Stage Race - Stage 1 9:51:01 h25
2023
28.10 147km JPN5th Autumn leaves in Okumusashi / Chichibu Journey run 21:50:07 h51
02.07 8h JPN29th 8-Hour Endurance Race Tokorozawa - 3 tai 53.900 km30
04.06 78km JPN30. Ultramarathon Okumusashi 8:33:40 h145
16.04 100km JPN33th Fuji 4 Lakes 100 km Challenge 11:19:16 h231
08.04 71km JPN18th Toda Saiko 70 km 6:42:04 h34
2022
29.10 146km JPN4th Autumn leaves in Okumusashi / Chichibu Journey run 19:57:50 h25
02.10 100km JPN9th Naeba-Sanroku Geopark Tsunan Ultramarathon 100K 11:47:30 h10
03.07 8h JPN28th 8-Hour Endurance Race Tokorozawa 63.700 km73
05.06 78km JPN29. Ultramarathon Okumusashi 8:06:03 h150
17.04 100km JPN32th Fuji 5 Lakes 100 km Challenge 10:06:02 h146
09.04 71km JPN17th Toda Saiko 70 km 7:14:32 h37
2021
04.07 8h JPN27th 8-Hour Endurance Race Tokorozawa 83.300 km32
2020
20.09 127km JPN3rd Utsukushima Fukushima Journey Run 127K 16:55:11 h24
05.07 8h JPN26th 8-Hour Endurance Race Tokorozawa 68.600 km81
2019
07.10 100km JPN1st Fuji 4 Lakes 100 km Autumn Challenge 10:49:25 h83
29.06 8h JPN25th 8-Hour Endurance Race Tokorozawa 68.600 km77
15.06 161.6km JPN1st Nikko Sennin Concentric Journey Run 26:44:36 h38
21.04 100km JPN29th Fuji 5 Lakes 100 km Challenge 11:26:22 h362
13.04 70km JPN14th Toda Saiko 70 km 6:53:48 h127
2018
17.06 100km JPN2nd Nikko 100km Ultramarathon 11:02:32 h159
03.06 78km JPN25. Ultramarathon Okumusashi 11:06:19 h1102
2017
24.09 100km JPN20th Jonaizaka 100 km Ultra Marathon 12:44:00 h43
02.07 100km JPN1st Nikko 100km Ultramarathon 11:48:57 h289
2016
05.06 78km JPN23. Ultramarathon Okumusashi 10:05:56 h898
2015
19.09 100km JPN18th Jonaizaka 100 km Ultra Marathon 11:38:57 h17
22.06 77km JPN22. Ultramarathon Okumusashi 7:54:24 h228
2014
20.09 100km JPN17th Jonaizaka 100 km Ultra Marathon 10:58:00 h13
06.07 8h JPN20th 8-Hour Endurance Race Tokorozawa - 3 tai 68.166 km30
2013
29.09 100km JPN16th Jonaizaka 100 km Ultra Marathon 12:43:00 h23
13.04 70km JPN8th Toda Saiko 70 km 7:46:25 h164