Yuto (大竹祐人) Otake
Born : 1979 Cat. M45 Ultrarunner since 2013 JPN
38
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
75
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
58,9%
Rank quotient ?This runner's calculation uses 38 eligible race(s): Σ(rank − 1) = 4 801; Σ finishers = 8 147. 4 801 / 8 147 × 100 = 58.93%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed38
Km — ultra races7 150 km
> 100 km28
> 160 km17
> 200 km14
Longest race520,0 km

Km per year (ultra races)

751
4 races
2022
621
4 races
2023
494
3 races
2024
508
3 races
2025
259
1 race
2026

Race types (share of distance)

Road99,0%
Trail1,0%

Wins & podiums (ultra)

🏆 Win1
🏆 Win M1
🏅 Top 32
🏅 Top 3 M2
Longest winning streak1
Current streak0

HISTORY

38 race(s)
DateRacePerf.Rk
2026
03.05 259km JPN21st River Road Foot Race 259km 46:02:29 h12
2025
15.11 142km JPN7th Autumn leaves in Okumusashi / Chichibu Journey run 19:35:58 h18
03.05 251km JPN20th River Road Foot Race 251 km 45:46:38 h18
15.03 115km JPN15th Oedo Night run 115k 15:41:58 h10
2024
02.11 128km JPN5th Tokyo Great Race 19:20:17 h3 🥉
03.05 251km JPN19th River Road Foot Race 251 km 2d 01:39:52 h30
09.03 115km JPN14th Oedo Night run 115k 17:58:25 h55
2023
03.11 128km JPN4th Tokyo Great Race 128km 20:37:11 h7
17.09 127km JPN6th Utsukushima Fukushima Journey Run 127K 22:11:25 h23
03.05 251km JPN18th River Road Foot Race 251 km 2d 04:40:08 h35
11.03 115km JPN13th Oedo Night run 115k 18:33:42 h51
2022
15.10 150km JPN1st Yagurazawa Round Trip Pre-Tournament 26:36:14 h29
03.05 251km JPN17th River Road Foot Race 254 km 2d 01:49:02 h21
16.04 150km JPN0st Yagurazawa Round Trip Pre-Tournament 21:54:00 h1 🏆
12.03 200km JPN12th Little Edo Oedo 200k 29:22:44 h28
2021
30.04 503km JPN16th River Road Foot Race 503 km 5d 00:32:32 h27
04.04 56km JPN9th Arakawa Riverside Journey - 56 km 7:37:00 h26
27.02 235km JPN11th Little Edo Oedo 235k 34:17:35 h25
2020
04.10 64km JPN7th Naeba-Sanroku Geopark Tsunan Ultramarathon 64K 7:33:33 h30
2019
19.10 100km JPN4th Iki 100 km Ultra Marathon 10:50:22 h42
14.09 122km JPN2nd Utsukushima Fukushima Journey Run 122K 16:13:13 h5
13.07 263km JPN4th Michinoku Tsugaru Journey Run 263K 46:37:19 h50
15.06 161.6km JPN1st Nikko Sennin Concentric Journey Run 28:49:04 h93
09.06 50km JPN15th Iwate Ginga 50km Marathon Challenge 4:54:47 h31
07.04 70km JPN5th Okumikawa Power Trail 12:56:55 h452
23.02 233km JPN9th Little Edo Oedo 230k 32:35:37 h18
2018
21.10 100km JPN7th Noto Peninsula 100 km Ultra Marathon 12:14:01 h119
14.07 263km JPN3rd Michinoku Tsugaru Journey Run 263K 2d 02:28:35 h91
30.04 514km JPN14th River Road Foot Race 514 km 5d 09:27:21 h63
2017
03.05 254km JPN13th River Road Foot Race 254 km 2d 05:50:08 h45
2016
17.07 200km JPN1st Michinoku Tsugaru Journey Run 200K 37:22:45 h88
30.04 520km JPN12th River Road Foot Race 520 km 5d 08:49:56 h54
2015
20.09 153km JPN18th Karisakatoge beyond Chichibu Run 24:14:54 h107
03.05 255km JPN11th River Road Foot Race 255 km 2d 08:25:14 h22
2014
12.10 100km JPN10th Echigo Kubikino 100km Ultramarathon 12:17:50 h618
08.06 100km JPN10th Iwate Ginga 100km Marathon Challenge 13:23:17 h690
2013
15.09 100km JPN13th Tango 100 km Ultramarathon 13:44:53 h1162
09.06 100km JPN2nd Hida Takayama 100 km Ultramarathon 13:26:30 h640