Takuya (若岡拓也) Wakaoka
Born : 1984 Cat. M40 Ultrarunner since 2015 JPN
33
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
65
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
12
Countries visited ?ATAAntarcticaCHIChileCHNChinaFINFinlandHKGHong KongJPNJapanMEXMexicoMGLMongoliaNAMNamibiaTHAThailandTPETaiwanUSAUnited States
6,8%
Rank quotient ?This runner's calculation uses 33 eligible race(s): Σ(rank − 1) = 357; Σ finishers = 5 251. 357 / 5 251 × 100 = 6.80%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed97
Km — ultra races5 494 km
> 100 km23
> 160 km19
> 200 km12
> 24h3
> 48h2
Longest race380,5 km

Km per year (ultra races)

518
3 races
2022
455
4 races
2023
921
7 races
2024
553
3 races
2025
91
1 race
2026

Race types (share of distance)

Road8,7%
Trail29,4%
Stage60,6%
Elim.1,2%

Wins & podiums (ultra)

🏆 Win10
🏆 Win M10
🏅 Top 314
🏅 Top 3 M14
Longest winning streak3
Current streak0

HISTORY

33 race(s)
DateRacePerf.Rk
2026
07.03 91km TPE1st Xtrail Kenting by UTMB - Xtrail 100K 11:17:37 h9
2025
03.08 63.5km JPN5th Kyushu Sekiryou Piston trail 9:04:51 h4
23.05 6d JPN4th Hirosaki 6days Ultra Run 380.470 km37
28.02 109km/3stages TPE12th Super Race Stage Ultra-Marathon - 3 Day Elite 10:41:47 h1 🏆
2024
29.12 130km JPN5th Kyoto Great Round 130 km 21:23:43 h3 🥉
06.12 175km THA1st Chiangmai Thailand by UTMB - TRANS-INT 160 32:58:29 h35
03.11 49km JPN1st Sea Alps Trail Journey 4:59:23 h1 🏆
20.10 100km JPN6th Yasaka Ultra Marathon in Hamada - 100 km 9:10:33 h1 🏆
23.06 250km/6stages MGL18th Gobi March Mongolia 22:36:27 h1 🏆
26.04 167km JPN9th Ultra-Trail Mt. Fuji 28:04:52 h75
14.04 50km JPN6th Onigajo Peaks Trail 8:00:11 h15
2023
18.06 78km JPN8th OSJ Yamanaka Onsen Trail Run 11:38:18 h7
26.05 160km JPN2nd Tokyo Grand Trail - 100mi 33:56:23 h1 🏆
09.04 50km JPN5th Onigajo Peaks Trail 7:36:21 h6
11.03 167km JPN2nd Kumagawa Revival Trail 28:16:35 h4
2022
24.09 107km JPN1st Hiroshima Wangan Trail Run 16:50:42 h10
14.08 250km/6stages FINRacing the Planet - Lapland 2022 24:23:04 h1 🏆
11.06 100mi JPN1st Kuman 100 26:37:17 h1 🏆
2021
20.11 Backyard Ultra JPN2nd Last Samurai Standing Backyard Ultra - Kyoto 67.060 km (10h)14
2019
04.11 250km/5stages MEX1st Ultra X Mexico 35:57:08 h11
22.02 162km/3stages HKG2nd Victoria 3-day Race Duo 37:40:59 h1 🏆
2018
23.11 6d ATA8° The Last Desert Antarctica 210.310 km4
30.09 250km/6stages CHI14th Atacama Crossing 29:12:46 h2 🥈
29.07 250km/6stages MGL15th Gobi March Mongolia 23:46:02 h3 🥉
29.04 250km/6stages NAMSahara Race Namibia 28:19:09 h4
2017
20.08 222.4km/6stages JPN4th Hakusan Geotrail 220km 26:22:29 h1 🏆
14.05 155mi/6stages USA1st Mauna to Mauna Ultra 30:37:36 h3 🥉
22.04 100km CHN3rd Ultimate Tsaigu Trail Kuocang - 100 km 18:59:03 h32
2016
21.08 177km/6stages JPN3rd Hakusan Geotrail 180km 26:05:30 h1 🏆
24.07 67.5km JPN4th Kirishima Ebino-kougen Extreme Trail 10:10:46 h67
01.05 250km/6stages NAMSahara Race Namibia 28:20:32 h4
2015
04.10 250km/6stages CHI11th Atacama Crossing 41:35:53 h27
22.08 200km/7stages JPN2nd Hakusan Geotrail 200km 37:45:02 h4