Akiyoshi (長井彰義) Nagai
ID 221965
Born : 1974 Cat. M50 Ultrarunner since 2010 JPN
31
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
36
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
36,3%
Rank quotient ?This runner's calculation uses 31 eligible race(s): Σ(rank − 1) = 6 873; Σ finishers = 18 938. 6 873 / 18 938 × 100 = 36.29%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed31
Km — ultra races2 126 km
Longest race100,0 km
23rd River Shimanto 100km — 15/10/2017

Km per year (ultra races)

70
1 race
2022
71
1 race
2023
60
1 race
2024
60
1 race
2025
2026

Race types (share of distance)

Road100,0%

Records

100 km12h11'33

HISTORY

31 race(s)
DateRacePerf.Rk
2025
19.10 60km JPN31th River Shimanto 60km 8:40:11 h247
2024
20.10 60km JPN30th River Shimanto 60km 8:19:23 h300
2023
11.06 71km JPN11th Hida Takayama 71 km Ultramarathon 9:49:42 h357
2022
17.04 70km JPN13th 70 km Ultra Maranic Osaka 9:25:31 h86
2019
15.09 60km JPN19th Tango 60 km Ultramarathon 8:59:30 h551
09.06 71km JPN8th Hida Takayama 71 km Ultramarathon 9:23:19 h379
21.04 70km JPN11th 70 km Ultra Maranic Osaka 9:40:14 h152
2018
16.09 60km JPN18th Tango 60 km Ultramarathon 8:28:38 h432
10.06 71km JPN7th Hida Takayama 71 km Ultramarathon 9:39:36 h395
22.04 70km JPN10th 70 km Ultra Maranic Osaka 9:36:59 h131
2017
15.10 100km JPN23rd River Shimanto 100km 13:10:57 h875
11.06 71km JPN6th Hida Takayama 71 km Ultramarathon 8:19:01 h138
23.04 70km JPN9th 70 km Ultra Maranic Osaka 7:59:11 h50
2016
16.10 100km JPN22nd River Shimanto 100km 12:11:33 h528
18.09 60km JPN16th Tango 60 km Ultramarathon 6:39:05 h190
12.06 72km JPN5th Hida Takayama 72 km Ultramarathon 8:17:29 h110
24.04 70km JPN8th 70 km Ultra Maranic Osaka 9:06:22 h102
2015
20.09 60km JPN15th Tango 60 km Ultramarathon 7:15:39 h297
07.06 72km JPN4th Hida Takayama 72 km Ultramarathon 9:14:28 h265
26.04 70km JPN7th 70 km Ultra Maranic Osaka 8:37:41 h79
2014
14.09 60km JPN14th Tango 60 km Ultramarathon 7:08:11 h224
08.06 72km JPN3rd Hida Takayama 72 km Ultramarathon 8:48:59 h162
27.04 70km JPN6th 70 km Ultra Maranic Osaka 8:00:03 h45
2013
15.09 60km JPN13th Tango 60 km Ultramarathon 6:27:59 h185
09.06 72km JPN2nd Hida Takayama 72 km Ultramarathon 8:50:42 h113
2012
10.06 72km JPN1st Hida Takayama 72 km Ultramarathon 8:10:42 h37
2011
16.10 60km JPN17th River Shimanto 60km 5:16:33 h15
18.09 60km JPN11th Tango 60 km Ultramarathon 6:40:19 h78
30.04 72km JPN21st Fuji 5 Lakes 72 km Challenge 8:59:45 h201
2010
17.10 60km JPN16th River Shimanto 60km 6:40:02 h68
19.09 60km JPN10th Tango 60 km Ultramarathon 6:45:19 h112