Yutaka (山内裕) Yamauchi
ID 875663
Born : 1971 Cat. M55 Ultrarunner since 2016 JPN
25
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
45
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
47,2%
Rank quotient ?This runner's calculation uses 25 eligible race(s): Σ(rank − 1) = 6 239; Σ finishers = 13 218. 6 239 / 13 218 × 100 = 47.20%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed25
Km — ultra races2 365 km
> 100 km7
> 160 km2
Longest race167,0 km
10th Ultra-Trail Mt. Fuji (UTMF) — 25/4/2025

Km per year (ultra races)

318
4 races
2022
437
4 races
2023
217
2 races
2024
217
2 races
2025
2026

Race types (share of distance)

Road63,9%
Trail36,1%

Records

50 km6h00'32100 km11h21'51

HISTORY

25 race(s)
DateRacePerf.Rk
2025
02.11 50km JPN11th Nakanoto Treasure Trail Run Festival 6:16:09 h28
25.04 167km JPN10th Ultra-Trail Mt. Fuji 38:35:41 h606
2024
08.09 50km JPN13th Hakuba Int. Trail Run 8:04:33 h129
26.04 167km JPN9th Ultra-Trail Mt. Fuji 39:33:49 h714
2023
17.09 110km JPN15th Shinetsu Five Mountains Trail 110km 21:14:48 h172
16.07 109.2km JPN15th OSJ Ontake 100km Ultra Trail 14:57:41 h152
21.05 100km JPN29th Yatsugatake Nobeyama 100 km 13:24:46 h462
16.04 118km JPN33th Fuji 5 Lakes 118 km Challenge 13:44:14 h148
2022
06.11 50km JPN9th Nakanoto Treasure Trail Run Festival 6:00:32 h25
04.09 50km JPN11th Hakuba Int. Trail Run 7:46:37 h126
22.05 100km JPN28th Yatsugatake Nobeyama 100 km 11:36:46 h168
17.04 118km JPN32th Fuji 5 Lakes 118 km Challenge 12:53:28 h94
2021
07.11 50km JPN8th Nakanoto Treasure Trail Run Festival 6:50:26 h70
03.10 100km JPN8th Naeba-Sanroku Geopark Tsunan Ultramarathon 100K 12:21:20 h45
2020
04.10 100km JPN7th Naeba-Sanroku Geopark Tsunan Ultramarathon 100K 12:51:37 h59
2019
03.11 50km JPN6th Nakanoto Treasure Trail Run Festival 6:42:31 h69
20.10 100km JPN8th Noto Peninsula 100 km Ultra Marathon 11:21:51 h58
07.10 118km JPN1st Fuji 5 Lakes 118 km Autumn Challenge 14:15:36 h90
02.06 100km JPN2nd Nanto 100 km Ultramarathon 13:35:58 h180
19.05 100km JPN25th Yatsugatake Nobeyama 100 km 13:23:56 h1009
2018
14.11 58km JPN3rd Myoko Ultra Run rAce 18 6:49:43 h38
03.06 100km JPN1st Nanto 100 km Ultramarathon 13:51:59 h134
20.05 100km JPN24th Yatsugatake Nobeyama 100 km 13:51:12 h1408
2017
15.10 100km JPN6th Noto Peninsula 100 km Ultra Marathon 12:05:20 h124
2016
16.10 100km JPN5th Noto Peninsula 100 km Ultra Marathon 13:16:58 h156