Naoki (大内直樹) Ouchi
ID 82880
Born : 1975 Cat. M50 Ultrarunner since 1999 JPN
40
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
53
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 ?AUSAustraliaHKGHong KongJPNJapanUSAUnited States
8,2%
Rank quotient ?This runner's calculation uses 40 eligible race(s): Σ(rank − 1) = 3 027; Σ finishers = 36 950. 3 027 / 36 950 × 100 = 8.19%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed40
Km — ultra races3 758 km
> 100 km10
> 160 km9
Longest race160,9 km
18th San Diego 100 Mile Endurance Run — 7/6/2019

Km per year (ultra races)

72
1 race
2022
122
2 races
2023
72
1 race
2024
2025
2026

Race types (share of distance)

Trail100,0%

Wins & podiums (ultra)

🏆 Win1
🏆 Win M1
🏅 Top 33
🏅 Top 3 M3
Longest winning streak1
Current streak0

Records

50 km6h17'36100 km12h02'3050 mi15h13'02100 mi21h52'09

HISTORY

40 race(s)
DateRacePerf.Rk
2024
13.10 71.5km JPN32th Hasetsune Cup - Japan Mountain Endurance Race 12:34:33 h250
2023
08.10 71.5km JPN31th Hasetsune Cup - Japan Mountain Endurance Race 12:49:28 h300
27.08 50km AUSWonderland Run 6:17:36 h9
2022
09.10 71.5km JPN30th Hasetsune Cup - Japan Mountain Endurance Race 12:05:30 h193
2019
07.06 100mi USA18th San Diego 100 Mile Endurance Run 28:30:19 h79
2018
07.10 71.5km JPN26th Hasetsune Cup - Japan Mountain Endurance Race 15:36:07 h408
08.09 100km AUSThe Great North Walk 100 km 12:35:00 h6
02.06 50mi USA5th Scout Mountain 50 Miles Ultra Trail 15:13:02 h57
2017
08.10 71.5km JPN25th Hasetsune Cup - Japan Mountain Endurance Race 13:59:14 h406
2016
09.10 71.5km JPN24th Hasetsune Cup - Japan Mountain Endurance Race 9:37:45 h31
16.09 100mi USA10th Run Rabbit Run 100 Mile UltraMarathon - Hares Run 27:50:55 h44
2015
31.10 71.5km JPN23rd Hasetsune Cup - Japan Mountain Endurance Race 9:29:30 h58
2014
12.10 71.5km JPN22nd Hasetsune Cup - Japan Mountain Endurance Race 11:31:02 h253
05.09 100mi USA35th Wasatch Front 100 Mile 23:28:41 h19
25.04 100mi JPN3rd Ultra-Trail Mt. Fuji 28:52:47 h68
2013
14.12 100km HKG1st The North Face 100 Hong Kong 15:48:30 h14
10.11 50km JPN5th Kanna Mountain Run II 7:27:09 h12
13.10 71.5km JPN21st Hasetsune Cup - Japan Mountain Endurance Race 8:43:20 h29
06.09 100mi USA34th Wasatch Front 100 Mile 31:30:44 h93
2012
07.10 71.5km JPN20th Hasetsune Cup - Japan Mountain Endurance Race 9:03:32 h32
23.06 100mi USA2nd Black Hills 100 Mile Run 21:52:09 h3 🥉
18.05 156km JPN1st Ultra-Trail Mount Fuji 44:29:27 h457
2011
09.10 71.5km JPN19th Hasetsune Cup - Japan Mountain Endurance Race 9:12:42 h25
23.09 100mi USA13th The Bear 100 Mile Endurance Run 21:53:00 h4
2010
10.10 71.5km JPN18th Hasetsune Cup - Japan Mountain Endurance Race 8:56:48 h18
18.06 100mi USA19th Bighorn Mountain Wild & Scenic 100 Mile Trail Run 23:45:13 h11
2009
11.10 71.5km JPN17th Hasetsune Cup - Japan Mountain Endurance Race 9:03:01 h27
12.09 100mi USA30th Wasatch Front 100 Mile 27:46:41 h35
19.07 100km JPN2nd OSJ Ontake 100km Ultra Trail 12:02:30 h31
05.07 50km JPN1st OSJ Shiga Kogen Trail 50K 6:26:23 h17
2008
12.10 71.5km JPN16th Hasetsune Cup - Japan Mountain Endurance Race 8:35:20 h15
2007
14.10 71.5km JPN15th Hasetsune Cup - Japan Mountain Endurance Race 8:36:59 h7
27.05 50km JPNOSJ Hakone 50K 7:15:31 h12
2006
08.10 71.5km JPN14th Hasetsune Cup - Japan Mountain Endurance Race 8:40:58 h5
2005
09.10 71.5km JPN13th Hasetsune Cup - Japan Mountain Endurance Race 9:05:47 h8
2004
10.10 71.5km JPN12th Hasetsune Cup - Japan Mountain Endurance Race 9:27:01 h6
2003
25.10 71.5km JPN11th Hasetsune Cup - Japan Mountain Endurance Race 9:16:51 h8
2002
12.10 71.5km JPN10th Hasetsune Cup - Japan Mountain Endurance Race 10:22:50 h14
2001
06.10 71.5km JPN9th Hasetsune Cup - Japan Mountain Endurance Race 9:07:27 h2 🥈
1999
09.10 71.5km JPN7th Hasetsune Cup - Japan Mountain Endurance Race 9:30:40 h1 🏆