Shinobu (宝徳忍) Hotoku
Born : 1969 Cat. M55 Ultrarunner since 2010 JPN
50
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
68
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
4
Countries visited ?GERGermanyGREGreeceJPNJapanKORSouth Korea
9,6%
Rank quotient ?This runner's calculation uses 51 eligible race(s): Σ(rank − 1) = 2 958; Σ finishers = 30 941. 2 958 / 30 941 × 100 = 9.56%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed51
Km — ultra races6 330 km
> 100 km20
> 160 km14
> 200 km10
> 24h7
Longest race250,0 km

Km per year (ultra races)

100
1 race
2022
425
5 races
2023
472
6 races
2024
253
3 races
2025
250
3 races
2026

Race types (share of distance)

Road55,8%
Trail44,2%

Wins & podiums (ultra)

🏆 Win0
🏆 Win M0
🏅 Top 31
🏅 Top 3 M2
Longest winning streak0
Current streak0

HISTORY

51 race(s)
DateRacePerf.Rk
2026
20.06 105km JPN2nd Kaga Spa by UTMB - Kaga Spa Trail Endurance100 22:14:25 h324
16.05 100km JPN11th Trainic World 100 km in Sai-No-Kuni 28:32:11 h168
26.04 45km JPN19th Ishioka Trail Run 4:51:42 h33
2025
07.09 53.4km JPN18th OSJ Adatara Trail 50K 12:51:13 h135
20.07 99.5km JPN17th OSJ Ontake 100km Ultra Trail 13:51:33 h304
18.05 100km JPN31th Yatsugatake Nobeyama 100 km 10:24:07 h76
2024
12.10 100km KOR11th TransJeju by UTMB 100 18:06:22 h145
22.09 50km JPN1st OSJ Ontake 50km 5:22:16 h21
07.09 53.4km JPN17th OSJ Adatara Trail 50K 13:11:50 h139
14.07 109.2km JPN16th OSJ Ontake 100km Ultra Trail 14:44:18 h274
18.05 109.2km JPN9th Trainic World 100 km in Sai-No-Kuni 25:37:50 h101
28.04 50km JPN17th Ishioka Trail Run 5:57:01 h21
2023
14.10 120km JPN3. Jungle Guruguru Max - 120 km 28:03:15 h16
23.09 80km JPN9th SkyViewTrail Memorial Cup 13:31:55 h37
27.08 75km JPN10th Tsukuba Renjyo 70 km Road & Trail Run 9:51:30 h16
21.05 100km JPN29th Yatsugatake Nobeyama 100 km 10:01:18 h26
29.04 50km JPN16th Ishioka Trail Run 5:42:13 h18
2022
22.05 100km JPN28th Yatsugatake Nobeyama 100 km 9:34:35 h30
2021
17.07 24h JPN1st Japan Trophy 24h 151.000 km43
14.03 100km JPN3rd Ibaraki 100k Ultra Marathon 9:09:42 h16
2020
19.09 123km JPN3rd Utsukushima Fukushima Journey Run 123K 12:54:51 h6
2019
14.09 24h JPN14. Shonan Int. Relay Marathon 24 Hour Run 216.300 km4
17.08 100mi GER8. Mauerweglauf 100 Meilen Berlin 20:27:15 h58
19.05 100km JPN25th Yatsugatake Nobeyama 100 km 9:36:33 h33
20.04 250km JPN26. Sakura Michi Kokusai Nature Run 33:35:00 h56
2018
11.08 100mi GER7. Mauerweglauf 100 Meilen Berlin 18:01:27 h21
02.06 24h JPN17. Green Charity Marathon Tokyo - Hard Run 24H 202.500 km4
20.05 100km JPN24th Yatsugatake Nobeyama 100 km 9:14:08 h23
21.04 250km JPN25. Sakura Michi Kokusai Nature Run 31:28:00 h18
2017
11.11 24h JPN12th Jingu Gaien 24 Hour Challenge 216.661 km16
29.09 246km GRE35. Spartathlon 29:59:32 h44
27.08 70km JPN4th Tsukuba Renjyo 70 km Road & Trail Run 8:14:06 h12
10.06 24h JPN16. Green Charity Marathon Tokyo - Hard Run 24H 201.733 km5
21.05 100km JPN23rd Yatsugatake Nobeyama 100 km 9:25:22 h17
2016
24.09 24h JPN19. Hiratsuka 24 hour race 216.250 km2 🥈
28.08 70km JPN3rd Tsukuba Renjyo 70 km Road & Trail Run 8:15:58 h31
26.06 100km JPN31. Lake Saroma 100 km Ultramarathon 8:12:28 h65
05.06 78km JPN23. Ultramarathon Okumusashi 6:27:46 h42
22.05 100km JPN22nd Yatsugatake Nobeyama 100 km 9:23:16 h28
2015
25.09 246km GRE33. Spartathlon 34:39:30 h107
18.07 100mi JPN8th OSJ Ontake 100 Mile Ultra Trail 23:43:20 h46
22.06 77km JPN22. Ultramarathon Okumusashi 6:44:31 h52
17.05 100km JPN21st Yatsugatake Nobeyama 100 km 9:09:05 h24
2014
26.09 245.3km GRE32. Spartathlon 33:49:22 h97
19.07 100km JPN7th OSJ Ontake 100km Ultra Trail 11:22:11 h29
21.06 24h JPN13. Tokyo Challenge 24 hours 187.420 km8
18.05 100km JPN20th Yatsugatake Nobeyama 100 km 9:21:26 h27
2013
20.10 100km JPN19th River Shimanto 100km 8:29:27 h24
19.05 100km JPN19th Yatsugatake Nobeyama 100 km 9:33:47 h26
2012
20.05 100km JPN18th Yatsugatake Nobeyama 100 km 10:23:28 h70
2010
16.05 100km JPN16th Yatsugatake Nobeyama 100 km 9:57:10 h71