Masao (青木正雄) Aoki
Born : 1955 Cat. M70 Ultrarunner since 2012 JPN
43
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
1
Countries visited ?JPNJapan
38,6%
Rank quotient ?This runner's calculation uses 44 eligible race(s): Σ(rank − 1) = 7 015; Σ finishers = 18 178. 7 015 / 18 178 × 100 = 38.59%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed44
Km — ultra races3 503 km
> 100 km5
> 160 km2
Longest race200,0 km

Km per year (ultra races)

130
2 races
2022
2023
2024
2025
2026

Race types (share of distance)

Road95,1%
Trail4,9%

HISTORY

44 race(s)
DateRacePerf.Rk
2022
17.04 70km JPN13th 70 km Ultra Maranic Osaka 10:08:24 h110
02.04 60km JPN1st Ultra Udon Maranic 9:35:21 h78
2021
04.12 80km JPN7th Nishi Seto Expressway Ultra Run 15:19:36 h46
2020
12.01 100km JPN5th Yakushima Ultramarathon 100 km 14:57:38 h154
2019
07.12 80km JPN4th Santo Ultra Maranic - Hanshin Course 12:45:00 h16
16.06 100km JPN14. Okinoshima 100km Ultra Marathon 13:35:27 h329
12.05 60km JPN5th Ishigaki Island Ultra Marathon 7:53:11 h79
04.05 173km JPN13th Nagasaki Tachibana Gulf Coast Super Maranic 173 29:42:52 h46
21.04 70km JPN11th 70 km Ultra Maranic Osaka 9:19:33 h124
13.01 100km JPN4th Yakushima Ultramarathon 14:58:37 h118
2018
15.09 122km JPN1st Utsukushima Fukushima Journey Run 122K 21:00:21 h46
01.09 95k JPN2nd Miyagi Yumeguri Ultra Marathon - 95 km 14:26:19 h18
03.06 70km JPN3rd Osakikamijima Ultra Marthon - 70 km 9:14:57 h35
2017
15.07 200km JPN2nd Michinoku Tsugaru Journey Run 200K 36:30:04 h42
02.07 62km JPN1st Nikko 62km Ultramarathon 7:29:39 h116
11.06 71km JPN6th Hida Takayama 71 km Ultramarathon 9:25:15 h347
08.01 100km JPN2nd Yakushima Ultramarathon 14:09:00 h50
2016
18.12 100km JPN1st Okinawa 100km Ultramarathon 13:49:54 h308
11.09 50km JPN1st Koyasan and Ryujin-Onsen 50 km Ultra Marathon 6:36:41 h352
28.05 103km JPN5th Tojinbo 103 km Ultramarathon 13:23:26 h66
03.05 140km JPN28. Yamaguchi 100 Hagi-O-Kan Maranic 140 km 22:05:32 h86
16.04 62km JPN2nd Okuizumo Ultra Orochi 60km Tooashi 7:33:05 h17
27.03 50km JPN2nd Osaka Yodogawa 50 km Ultra Marathon 5:31:12 h116
17.01 100km JPN26th Miyako 100 km Ultramarathon 12:51:32 h222
2015
18.10 100km JPN21st River Shimanto 100km 12:16:13 h490
27.09 66km JPN18th Muraoka 66 km Ultra Marathon 9:07:34 h116
20.09 60km JPN15th Tango 60 km Ultramarathon 6:50:36 h227
29.08 100km JPNKISO Great Traverse 100 km Ultra Marathon 13:35:19 h191
28.06 50km JPN30. Lake Saroma 50 km Ultramarathon 5:16:47 h69
07.06 72km JPN4th Hida Takayama 72 km Ultramarathon 8:29:56 h149
17.05 71km JPN21st Yatsugatake Nobeyama 71 km 9:04:35 h63
29.03 47km JPN1st Osaka Yodogawa 50 km Ultra Marathon 5:06:06 h122
15.03 100km JPN1st Nagoura Marathon 100 km 13:25:52 h94
2014
22.11 60km JPN1st Kiso-Sansen 60 km Ultra-Marathon 7:06:31 h788
12.10 60km JPN10th Echigo Kubikino 60km Ultramarathon 7:08:50 h170
21.09 50km JPN2nd 50 km Ultramarathon Hakusan-Shirakawago 6:05:52 h160
14.09 60km JPN14th Tango 60 km Ultramarathon 6:54:04 h187
04.05 70km JPN26. Yamaguchi 100 Hagi-O-Kan Maranic 70 km 9:18:46 h121
20.04 72km JPN24th Fuji 5 Lakes 72 km Challenge 9:04:46 h248
12.01 100km JPN24th Miyako 100 km Ultramarathon 12:40:52 h198
2013
15.09 60km JPN13th Tango 60 km Ultramarathon 6:59:00 h284
2012
21.10 60km JPN18th River Shimanto 60km 6:39:06 h84
24.06 50km JPN27. Lake Saroma 50 km Ultramarathon 5:23:19 h80
22.04 72km JPN22nd Fuji 5 Lakes 72 km Challenge 9:13:45 h297