Takuya (荒谷拓也) Araya
Born : 1975 Cat. M50 Ultrarunner since 2014 JPN
32
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
50
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
2
Countries visited ?FRAFranceJPNJapan
27,1%
Rank quotient ?This runner's calculation uses 32 eligible race(s): Σ(rank − 1) = 2 648; Σ finishers = 9 774. 2 648 / 9 774 × 100 = 27.09%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed32
Km — ultra races3 175 km
> 100 km14
> 160 km6
> 24h1
Longest race187,8 km

Km per year (ultra races)

348
3 races
2022
279
2 races
2023
244
2 races
2024
250
3 races
2025
114
1 race
2026

Race types (share of distance)

Road25,5%
Trail68,6%
Elim.5,9%

Wins & podiums (ultra)

🏆 Win0
🏆 Win M0
🏅 Top 32
🏅 Top 3 M2
Longest winning streak0
Current streak0

HISTORY

32 race(s)
DateRacePerf.Rk
2026
09.05 114km JPN4th Aso Volcano Trail 17:33:01 h44
2025
28.09 100km JPN28th Muraoka 100 km Ultra Marathon 9:17:12 h8
03.05 70km JPN33. Mukogawa Yurikamome Ultra Marathon 5:08:02 h8
15.03 50mi JPN11th Mt. Hiei Int. 50 Mile Trail Run 10:36:54 h21
2024
14.09 163.1km JPN16th Shinetsu Five Mountains Trail 100 mile 26:24:41 h98
11.05 50mi JPN10th Mt. Hiei Int. 50 Mile Trail Run 11:24:20 h49
2023
01.09 170km FRA20ème Ultra Trail Tour du Mont Blanc 39:44:38 h822
16.07 109.2km JPN15th OSJ Ontake 100km Ultra Trail 11:41:42 h14
2022
28.10 112km JPN27th Mt. Rocco Cannonball Run - 112 km Buddy 15:00:55 h3 🥉
15.10 75km JPN6th Forestrail Shinjo-Hiruzen 9:15:31 h4
21.05 100mi JPN7th Trainic World 100 Mile in Sai-No-Kuni 32:30:36 h39
2021
20.11 Backyard Ultra JPN2nd Last Samurai Standing Backyard Ultra - Kyoto 187.768 km (28h)3 🥉
16.10 112km JPN25th Mt. Rocco Cannonball Run - 112 km Power 16:21:35 h12
01.10 167km JPN1st Lake Biwa 100 43:27:55 h32
28.08 75km JPN1st Okushinano 100 - 75 km 11:39:29 h69
2019
19.10 112km JPN21th Mt. Rocco Cannonball Run - 112 km Power 16:27:00 h7
14.09 100mi JPN11th Shinetsu Five Mountains Trail 100 mile 28:59:06 h114
2018
20.10 56km JPN19th Mt. Rocco Cannonball Run - 56 km Night Speed 8:16:20 h5
16.09 110km JPN10th Shinetsu Five Mountains Trail 110km 15:31:35 h24
27.05 51.9km JPN3rd Rokko 5 Peaks Trail Race 8:14:31 h8
2017
01.10 74.5km JPN2nd Shinjo-Hiruzen Super Trail 10:54:06 h28
24.09 120km JPN20th Muraoka 120 km Ultra Marathon 12:47:40 h44
28.05 65km JPN2nd Osorakan-Trail 10:16:20 h38
25.03 112km JPN16th Mt. Rocco Cannonball Run - 112 km Power 14:04:21 h13
2016
30.10 70km JPN2nd OSJ Yamanaka Onsen Trail Run 13:20:24 h49
25.09 88km JPN19th Muraoka 88 km Ultra Marathon 10:17:31 h15
28.05 50km JPN2nd Mt. Hiei Int. 50 km Trail Run 8:46:39 h339
27.03 56km JPN14th Mt. Rocco Cannonball Run - 56 km Speed 9:10:00 h334
2015
27.09 100km JPN18th Muraoka 100 km Ultra Marathon 10:53:10 h41
30.05 50km JPN1st Mt. Hiei Int. 50 km Trail Run 9:37:40 h219
2014
25.10 56km JPN11th Mt. Rocco Cannonball Run - 56 km Speed 8:29:12 h91
28.09 66km JPN17th Muraoka 66 km Ultra Marathon 8:35:48 h85