Yohei (山本洋平) Yamamoto
ID 737997
Born : 1976 Cat. M50 Ultrarunner since 2013 JPN
33
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
55
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
3
Countries visited ?FRAFranceJPNJapanKORSouth Korea
20,1%
Rank quotient ?This runner's calculation uses 33 eligible race(s): Σ(rank − 1) = 3 368; Σ finishers = 16 770. 3 368 / 16 770 × 100 = 20.08%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed33
Km — ultra races3 616 km
> 100 km17
> 160 km10
Longest race174,0 km
22ème Ultra Trail Tour du Mont Blanc (UTMB) — 29/8/2025

Km per year (ultra races)

249
2 races
2022
336
2 races
2023
527
5 races
2024
541
4 races
2025
217
2 races
2026

Race types (share of distance)

Road26,9%
Trail73,1%

Wins & podiums (ultra)

🏆 Win2
🏆 Win M2
🏅 Top 37
🏅 Top 3 M7
Longest winning streak2
Current streak0

Records

50 km7h21'05100 km12h43'5450 mi9h55'18100 mi28h38'15

HISTORY

33 race(s)
DateRacePerf.Rk
2026
24.04 167km JPN11th Ultra-Trail Mt. Fuji 27:23:31 h71
18.01 49.6km JPN17th Senba Coastal Cliff Trail Running 7:21:05 h7
2025
29.08 174km FRA22ème Ultra Trail Tour du Mont Blanc 35:45:38 h424
25.04 167km JPN10th Ultra-Trail Mt. Fuji 28:10:23 h100
20.04 120km JPN35th Fuji 5 Lakes Sparta Challenge 14:44:58 h371
15.03 50mi JPN11th Mt. Hiei Int. 50 Mile Trail Run 10:57:23 h38
2024
12.10 100km KOR11th TransJeju by UTMB 100 19:36:56 h242
15.09 100km JPN22th Tango 100 km Ultramarathon 12:43:54 h331
02.06 80km JPN3rd Kyokaido Ultra aranic - Kyoto 9:55:18 h3 🥉
11.05 50mi JPN10th Mt. Hiei Int. 50 Mile Trail Run 11:21:52 h43
26.04 167km JPN9th Ultra-Trail Mt. Fuji 26:26:22 h37
2023
06.10 169km JPN3rd Lake Biwa 100 35:41:33 h42
21.04 167km JPN8th Ultra-Trail Mt. Fuji 27:04:50 h75
2022
07.10 169km JPN2nd Lake Biwa 100 46:09:16 h97
21.05 50mi JPN8th Mt. Hiei Int. 50 Mile Trail Run 10:25:57 h22
2021
16.10 56km JPN25th Mt. Rocco Cannonball Run - 56 km Speed 5:09:59 h1 🏆
20.03 112km JPN24th Mt. Rocco Cannonball Run - 112 km Power 11:17:28 h1 🏆
2020
21.03 112km JPN22th Mt. Rocco Cannonball Run - 112 km Power 13:02:50 h2 🥈
2019
25.05 50mi JPN5th Mt. Hiei Int. 50 Mile Trail Run 11:12:46 h13
26.04 167km JPN6th Ultra-Trail Mt. Fuji 28:24:26 h70
23.03 112km JPN20th Mt. Rocco Cannonball Run - 112 km Power 13:18:00 h2 🥈
2018
21.10 56km JPN19th Mt. Rocco Cannonball Run - 56 km Speed 5:23:50 h2 🥈
15.09 100mi JPN10th Shinetsu Five Mountains Trail 100 mile 28:38:15 h103
27.04 170km JPN5th Ultra-Trail Mt. Fuji 38:18:28 h320
2017
15.07 100km JPN10th OSJ Ontake 100km Ultra Trail 13:50:34 h226
25.03 112km JPN16th Mt. Rocco Cannonball Run - 112 km Power 14:07:00 h14
2016
23.10 56km JPN15th Mt. Rocco Cannonball Run - 56 km Speed 5:44:22 h3 🥉
28.05 50km JPN2nd Mt. Hiei Int. 50 km Trail Run 8:13:01 h210
2015
21.11 104km JPN1st FunTrails100K Round 24:28:06 h128
18.10 73km JPN6th OSJ Hyonosen Mountains Trail Race 11:08:46 h122
29.03 56km JPN12th Mt. Rocco Cannonball Run - 56 km Speed 7:18:54 h67
2014
25.10 112km JPN11th Mt. Rocco Cannonball Run - 112 km Power 19:43:14 h53
2013
27.10 56km JPN9th Mt. Rocco Cannonball Run - 56 km Speed 9:22:07 h161