Nobuhiro (太田展弘) Ohta
ID 737998
Born : 1973 Cat. M50 Ultrarunner since 2014 JPN
50
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
1
Countries visited ?JPNJapan
23,2%
Rank quotient ?This runner's calculation uses 68 eligible race(s): Σ(rank − 1) = 4 631; Σ finishers = 19 919. 4 631 / 19 919 × 100 = 23.25%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed68
Km — ultra races5 005 km
> 100 km12
> 160 km3
Longest race167,0 km
10th Ultra-Trail Mt. Fuji (UTMF) — 25/4/2025

Km per year (ultra races)

332
5 races
2022
1 026
13 races
2023
793
8 races
2024
636
7 races
2025
160
3 races
2026

Race types (share of distance)

Road11,4%
Trail88,6%

Wins & podiums (ultra)

🏆 Win1
🏆 Win M1
🏅 Top 33
🏅 Top 3 M4
Longest winning streak1
Current streak0

Records

50 km4h22'27100 km11h17'3450 mi12h08'29

HISTORY

68 race(s)
DateRacePerf.Rk
2026
13.06 60km JPN12th Fairy Trail - Super Long 12:25:10 h83
24.05 50km JPN11th Akiyoshidai Karst Trail Run 6:57:25 h56
11.04 50km JPN3rd Amagase Trail 50 km 8:00:10 h19
2025
28.12 130km JPN6th Kyoto Great Round 130 km 30:10:08 h139
12.10 57km JPN1st Gokayama Doshu-michi Trail 11:29:23 h73
27.09 80km JPN8th Flash Trail Challenge 80km 16:51:23 h31
25.04 167km JPN10th Ultra-Trail Mt. Fuji 40:05:21 h762
05.04 80km JPN7th Flash Trail Challenge 80km 14:23:02 h14
15.03 50km JPN11th Mt. Hiei Int. 50 km Trail Run 8:03:15 h76
22.02 72km JPN3rd Daimonji 100 - 72km 13:50:07 h7
2024
16.11 101km JPN3rd Kumagawa Revival Trail 20:32:42 h35
02.11 100km JPN4th OSJ Kami 100 21:15:52 h57
06.10 68km JPN8th Forestrail Shinjo-Hiruzen 10:56:06 h46
22.09 138km JPN10th SkyViewTrail Memorial Cup 31:43:40 h75
08.09 60km JPN13th World Geopark Trail Run in Sanin Kaigan 9:57:13 h33
11.05 50km JPN10th Mt. Hiei Int. 50 km Trail Run 8:42:11 h107
26.04 167km JPN9th Ultra-Trail Mt. Fuji 37:10:30 h474
23.03 109km JPN2nd Hiroshima Wangan Trail Run 22:33:38 h105
2023
10.12 70km JPN10th Izu Trail Journey 9:59:22 h282
22.10 67km JPN7th Forestrail Shinjo-Hiruzen 10:30:10 h19
08.10 71.5km JPN31th Hasetsune Cup - Japan Mountain Endurance Race 12:37:23 h276
17.09 110km JPN15th Shinetsu Five Mountains Trail 110km 19:32:42 h86
27.08 60km JPN12th World Geopark Trail Run in Sanin Kaigan 9:23:16 h26
11.08 61.3km JPN4th Osaka Natsunojin Kurondo Rondo - 60 km 11:43:20 h8
16.07 80km JPN4th Flash Trail Challenge Summer 80km 15:42:49 h22
10.06 60km JPN10th Fairy Trail - Super Long 9:19:47 h12
28.05 62km JPN15th OSJ Okukuji Trail 60k 12:42:59 h62
21.04 167km JPN8th Ultra-Trail Mt. Fuji 34:20:52 h436
09.04 50km JPN5th Onigajo Peaks Trail 8:28:50 h18
11.03 101km JPN2nd Kumagawa Revival Trail 21:18:49 h42
28.01 66km JPN2nd Nara Ishibutai 100 - 66km 14:52:58 h4
2022
27.11 46.7km JPN1st Rokko 24 peaks hunt 7:58:29 h11
06.11 48km JPN4th Ninja Trail Run 6:57:14 h41
23.10 70km JPN7th Ryoma Dappan Trail Race 10:45:07 h16
24.09 107km JPN1st Hiroshima Wangan Trail Run 24:41:06 h140
21.08 60km JPN11th World Geopark Trail Run in Sanin Kaigan 7:07:06 h15
2020
17.10 112km JPN23th Mt. Rocco Cannonball Run - 112 km Power 16:49:00 h8
23.08 60km JPN9th World Geopark Trail Run in Sanin Kaigan 8:16:07 h11
09.08 60km JPN1st Osaka Natsunojin Kurondo Rondo - 60 km 9:44:05 h2 🥈
21.03 112km JPN22th Mt. Rocco Cannonball Run - 112 km Power 16:10:00 h13
2019
03.11 50km JPN3rd Koshu Alps Lily Route Challenge 7:24:33 h8
20.10 57.8km JPN3rd Kohechi Trail Journey 7:41:04 h3 🥉
06.10 45km JPN6th Gokayama-Doshu Trail Run 6:36:50 h6
21.09 95km JPN1st Aizu to Nasu Long Trail 17:51:42 h15
13.07 65km JPN10th Nozawa Onsen 4100D Mountain Trail 8:50:57 h15
30.06 60km JPN6th Fairy Trail - Super Long 8:42:57 h18
22.06 80km JPN5th OSJ Yamanaka Onsen Trail Run 12:08:29 h16
02.06 52.7km JPN2nd Nagi Peaks Tough Trail Challenge 8:40:17 h14
26.05 52km JPN2nd Osaka Nature Trail Grand Traverse 52 7:48:54 h1 🏆
19.05 65km JPN4th Osorakan-Trail 10:15:13 h49
02.05 70km JPN27. Mukogawa Yurikamome Ultra Marathon 7:10:47 h146
23.02 45.6km JPN2nd Zentsuji Mt.Gogaku 6:39:05 h10
2018
24.12 50km JPN5th Kobe Nougyoukouen Run 4:46:35 h4
02.12 50km JPN6th Kumano Old Trails 6:27:44 h21
03.11 48km JPN2nd Ninja Trail Run 5:52:40 h18
14.10 73km JPN4th Gasando Trail running race 8:51:10 h10
07.10 50km JPN14th Ashiya Hama Shiokaze Ultra Marathon - 50 km 4:22:27 h7
16.09 100km JPN18th Tango 100 km Ultramarathon 11:17:34 h187
14.07 65km JPN9th Nozawa Onsen 4100D Mountain Trail 9:37:19 h10
12.05 50km JPN4th Mt. Hiei Int. 50 km Trail Run 7:02:34 h9
2017
03.12 50km JPN5th Kumano Old Trails 7:04:21 h12
13.05 50km JPN3rd Mt. Hiei Int. 50 km Trail Run 7:24:22 h34
03.05 70km JPN25. Mukogawa Yurikamome Ultra Marathon 6:50:38 h140
2016
06.11 50km JPN3rd Nakanoto Treasure Trail Run Festival 5:38:29 h7
22.05 77km JPN21th Saba Highway Ultramarathon 8:30:49 h38
2015
18.10 73km JPN6th OSJ Hyonosen Mountains Trail Race 11:11:56 h125
11.10 70km JPN11th Ashiya Hama Shiokaze Ultra Marathon - 70 km 6:43:58 h10
2014
30.11 50km JPNKumano Old Trails 7:28:46 h24