Yuichi (秋元優一) Akimoto
ID 1005656
Born : 1982 Cat. M40 Ultrarunner since 2017 JPN
36
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
59
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
3
Countries visited ?GREGreeceJPNJapanUSAUnited States
9,3%
Rank quotient ?This runner's calculation uses 36 eligible race(s): Σ(rank − 1) = 1 612; Σ finishers = 17 254. 1 612 / 17 254 × 100 = 9.34%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed36
Km — ultra races4 602 km
> 100 km19
> 160 km8
> 200 km4
> 24h2
Longest race246,0 km
40. Spartathlon — 30/9/2023

Km per year (ultra races)

907
7 races
2022
738
5 races
2023
420
3 races
2024
472
3 races
2025
220
2 races
2026

Race types (share of distance)

Road100,0%

Wins & podiums (ultra)

🏆 Win1
🏆 Win M1
🏅 Top 34
🏅 Top 3 M4
Longest winning streak1
Current streak0

Records

100 km8h29'0250 mi6h50'476 h72,00 km24 h135,11 km

HISTORY

36 race(s) · 2 split(s) nested
DateRacePerf.Rk
2026
14.06 100km JPN14th Hida Takayama 100 km Ultramarathon 9:49:21 h104
19.04 120km JPN36th Fuji 5 Lakes Sparta Challenge 13:49:50 h160
2025
07.07 135mi USA39th Badwater Ultramarathon 35:17:39 h36
20.04 120km JPN35th Fuji 5 Lakes Sparta Challenge 11:56:10 h59
08.03 24h JPN16th Jingu Gaien 24 Hour Challenge 135.105 km66
2024
09.06 100km JPN12th Hida Takayama 100 km Ultramarathon 8:53:20 h22
21.04 120km JPN34th Fuji 5 Lakes Sparta Challenge 11:51:59 h16
07.01 200km JPN4th Japan Trophy 200 27:28:53 h19
2023
30.09 246km GRE40. Spartathlon 33:58:02 h150
01.07 8h JPN29th 8-Hour Endurance Race Tokorozawa 73.500 km14
11.06 100km JPN11th Hida Takayama 100 km Ultramarathon 9:42:22 h66
16.04 118km JPN33th Fuji 5 Lakes 118 km Challenge 10:50:50 h18
08.01 200km JPN3rd Japan Trophy 200 21:38:20 h8
2022
20.11 63km JPN1. Minuma Challenge 60 5:28:53 h3 🥉
30.09 246km GRE39. Spartathlon 33:05:23 h55
12.06 100km JPN10th Hida Takayama 100 km Ultramarathon 9:36:26 h51
22.05 100km JPN28th Yatsugatake Nobeyama 100 km 9:43:43 h43
17.04 118km JPN32th Fuji 5 Lakes 118 km Challenge 10:59:11 h18
26.03 80km JPN3rd Tokyo Katsushika Ultra Marathon - 80km 6:50:47 h2 🥈
09.01 200km JPN2nd Japan Trophy 200 28:03:00 h37
2021
17.07 24h JPN1st Japan Trophy 24h 120.000 km48
10.01 200km JPN1st Japan Trophy 200 22:15:00 h13
2020
24.10 146km JPN2nd Autumn leaves in Okumusashi / Chichibu Journey run 16:44:13 h18
22.02 235km JPN10th Little Edo Oedo 235k 29:00:22 h8
2019
07.10 118km JPN1st Fuji 5 Lakes 118 km Autumn Challenge 9:52:13 h1 🏆
08.09 100km JPN7th 100 km Ultramarathon Hakusan-Shirakawago 9:26:39 h16
27.07 6h JPN10th Lake Miyagase 24-hour Relay Marathon 72.000 km2 🥈
29.06 8h JPN25th 8-Hour Endurance Race Tokorozawa 93.100 km12
09.06 100km JPN8th Hida Takayama 100 km Ultramarathon 8:29:02 h11
19.05 100km JPN25th Yatsugatake Nobeyama 100 km 9:11:50 h17
21.04 118km JPN29th Fuji 5 Lakes 118 km Challenge 12:43:46 h94
03.02 5h JPN9th Iikoto Challenge - 5h 56.810 km9
2018
30.06 8h JPN24th 8-Hour Endurance Race Tokorozawa 68.600 km36
03.06 100km JPN6th Tokyo Shibamata 100 km 10:24:29 h144
22.04 118km JPN28th Fuji 5 Lakes 118 km Challenge 13:26:14 h140
2017
10.09 100km JPN5th 100 km Ultramarathon Hakusan-Shirakawago 11:44:13 h132