Ryota (中谷亮太) Nakatani
ID 636950
Born : 1991 Cat. M35 Ultrarunner since 2014 JPN
46
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
64
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 ?FRAFranceITAItalyJPNJapanTHAThailand
7,5%
Rank quotient ?This runner's calculation uses 46 eligible race(s): Σ(rank − 1) = 1 377; Σ finishers = 18 419. 1 377 / 18 419 × 100 = 7.48%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed46
Km — ultra races5 568 km
> 100 km27
> 160 km17
> 200 km1
> 24h1
Longest race330,0 km
16° TOR330 - Tor des Géants — 14/9/2025

Km per year (ultra races)

817
6 races
2022
289
3 races
2023
1 006
8 races
2024
1 195
7 races
2025
595
5 races
2026

Race types (share of distance)

Road4,0%
Trail96,0%

Wins & podiums (ultra)

🏆 Win14
🏆 Win M14
🏅 Top 319
🏅 Top 3 M19
Longest winning streak5
Current streak0

Records

50 km5h47'26100 km16h17'2050 mi10h17'36100 mi24h20'44

HISTORY

46 race(s)
DateRacePerf.Rk
2026
26.06 165km JPN5th Deep Japan Ultra 100 - 165 km 34:49:49 h13
22.05 160km JPN5th Tokyo Grand Trail - 100mi 28:11:03 h3 🥉
19.04 50km JPN8th Onigajo Peaks Trail 7:05:23 h4
28.02 100km JPN1st Mino Province Yamashiro 100km 16:17:20 h1 🏆
31.01 120km JPN5th Nara Ishibutai 100 - 120km 18:02:45 h1 🏆
2025
28.12 200km JPN6th Kyoto Great Round 200 km 40:40:50 h1 🏆
05.12 100mi THA2nd Chiangmai Thailand by UTMB - CHIANG DAO 100 26:44:35 h22
10.10 169km JPN5th Lake Biwa 100 25:12:38 h1 🏆
14.09 330km ITA16° TOR330 - Tor des Géants 3d 13:05:28 h22
27.06 165km JPN4th Deep Japan Ultra 100 - 165 km 29:53:26 h4
13.04 50km JPN7th Onigajo Peaks Trail 8:01:35 h13
25.01 120km JPN4th Nara Ishibutai 100 - 120km 22:47:58 h5
2024
16.11 167km JPN3rd Kumagawa Revival Trail 28:50:14 h3 🥉
03.11 49km JPN1st Sea Alps Trail Journey 6:07:24 h17
11.10 169km JPN4th Lake Biwa 100 26:42:50 h2 🥈
10.09 130km ITA8° TOR130 - Tot Dret 24:52:33 h6
21.06 165km JPN3rd Deep Japan Ultra 100 - 165 km 27:02:57 h1 🏆
26.04 167km JPN9th Ultra-Trail Mt. Fuji 26:28:41 h38
14.04 50km JPN6th Onigajo Peaks Trail 6:32:42 h2 🥈
23.03 109km JPN2nd Hiroshima Wangan Trail Run 14:05:00 h3 🥉
2023
28.10 60km JPN3rd Kannabe Panorama Trail Fes 7:06:50 h1 🏆
06.10 169km JPN3rd Lake Biwa 100 25:19:58 h1 🏆
27.08 60km JPN12th World Geopark Trail Run in Sanin Kaigan 6:23:48 h1 🏆
2022
29.12 100Miles JPN3rd Kyoto Great Round 100 miles 24:20:44 h1 🏆
07.10 169km JPN2nd Lake Biwa 100 27:22:50 h1 🏆
26.08 170km FRA19ème Ultra Trail Tour du Mont Blanc 26:33:36 h64
22.04 167km JPN7th Ultra-Trail Mt. Fuji 23:07:30 h32
03.04 50km JPN2nd Yasu Ultrunrace 50 km 5:47:26 h1 🏆
29.01 100km JPN1st Nara Ishibutai 100 17:48:11 h5
2021
29.12 130km JPN2nd Kyoto Great Round 25:19:37 h15
04.04 50mi JPN1st Yasu Ultrunrace 50 miles 12:47:30 h4
13.03 36h JPN1st Mukoyama Mountain Trail in Tamba - 36h 130.000 km1 🏆
2019
27.10 73km JPN10th OSJ Hyonosen Mountains Trail Race 8:46:19 h1 🏆
26.04 167km JPN6th Ultra-Trail Mt. Fuji 26:43:47 h36
2018
07.10 71.5km JPN26th Hasetsune Cup - Japan Mountain Endurance Race 10:33:18 h40
27.04 170km JPN5th Ultra-Trail Mt. Fuji 25:58:35 h27
2017
10.12 71.7km JPN4th Izu Trail Journey 11:47:50 h475
08.10 71.5km JPN25th Hasetsune Cup - Japan Mountain Endurance Race 9:22:55 h21
13.05 50mi JPN3rd Mt. Hiei Int. 50 Mile Trail Run 10:17:36 h5
25.03 112km JPN16th Mt. Rocco Cannonball Run - 112 km Power 10:47:35 h1 🏆
2016
04.12 50km JPN4th Kumano Old Trails 6:44:37 h22
09.10 71.5km JPN24th Hasetsune Cup - Japan Mountain Endurance Race 10:59:02 h109
11.09 129km JPN3rd SkyView Ultra-Trail 120 - Yamada Noboru Memorial Cup 27:32:50 h102
26.03 112km JPN14th Mt. Rocco Cannonball Run - 112 km Power 15:02:34 h14
2015
18.10 73km JPN6th OSJ Hyonosen Mountains Trail Race 9:01:26 h16
2014
19.10 73km JPN5th OSJ Hyonosen Mountains Trail Race 13:24:30 h265