Akimichi (中屋敷晃通) Nakayashiki
ID 565711
Born : 1962 Cat. M60 Ultrarunner since 2014 JPN
41
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
53
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
50,0%
Rank quotient ?This runner's calculation uses 41 eligible race(s): Σ(rank − 1) = 9 932; Σ finishers = 19 880. 9 932 / 19 880 × 100 = 49.96%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed45
Km — ultra races4 234 km
> 100 km14
> 160 km5
> 200 km3
> 24h1
Longest race263,0 km
4th Michinoku Tsugaru Journey Run 263K — 13/7/2019

Km per year (ultra races)

179
2 races
2022
78
1 race
2023
2024
78
2025
150
1 race
2026

Race types (share of distance)

Road80,7%
Trail7,5%
Stage11,8%

Records

50 km8h19'54100 km13h10'27100 mi27h02'2124 h146,30 km

HISTORY

42 race(s) · 4 stage(s) nested
DateRacePerf.Rk
2026
28.02–01.03 150km/2stages JPN3rd Modern Japanese Silk Road Journey Run 20:20:16 h21
2025
29.03 78km JPN2nd Modern Japanese Silk Road Journey Run - Stage 1 10:42:39 h44
2023
04.06 78km JPN30. Ultramarathon Okumusashi 10:22:32 h504
2022
20.08 101km JPN9th World Cultural Heritage "Fuji" Foot Race 14:39:19 h55
05.06 78km JPN29. Ultramarathon Okumusashi 9:42:10 h485
2021
30.10 146km JPN3rd Autumn leaves in Okumusashi / Chichibu Journey run 21:24:37 h86
17.07 117km JPN1st Nakasendo Ultra 22:09:00 h16
2020
21.03 136km/2stages JPN8th Arakawa Riverside Journey Stage Race 18:01:09 h27
22.02 206km JPN10th Little Edo Oedo 205k 33:49:40 h135
2019
14.09 251km JPN2nd Utsukushima Fukushima Journey Run 250K 45:30:33 h37
17.08 101km JPN7th World Cultural Heritage "Fuji" Foot Race 14:58:03 h81
13.07 263km JPN4th Michinoku Tsugaru Journey Run 263K 2d 00:37:25 h72
15.06 161.6km JPN1st Nikko Sennin Concentric Journey Run 27:02:21 h45
02.06 78km JPN26. Ultramarathon Okumusashi 9:07:22 h546
19.05 100km JPN25th Yatsugatake Nobeyama 100 km 13:16:30 h933
13.04 70km JPN14th Toda Saiko 70 km 7:27:49 h203
16–17.03 136km/2stages JPN7th Arakawa Riverside Journey Stage Race 16:55:28 h27
2018
29.09 24h JPN3rd Coedo Kawagoe Running Fest 24-hours run 146.300 km7
15.09 122km JPN1st Utsukushima Fukushima Journey Run 122K 18:16:55 h17
14.07 188km JPN3rd Michinoku Tsugaru Journey Run 188K 34:55:51 h40
30.06 8h JPN24th 8-Hour Endurance Race Tokorozawa 53.900 km131
03.06 78km JPN25. Ultramarathon Okumusashi 10:06:12 h731
20.05 100km JPN24th Yatsugatake Nobeyama 100 km 13:19:46 h909
22.04 100km JPN28th Fuji 5 Lakes 100 km Challenge 13:10:27 h799
14.04 70km JPN13th Toda Saiko 70 km 7:47:56 h291
03.03 91km JPN8th Little Edo 91km 12:05:50 h23
2017
03.09 49.6km JPN6th Trainic world Ogose-Tokigawa Trail Run 50km 8:19:54 h126
02.07 8h JPN23th 8-Hour Endurance Race Tokorozawa - 3 tai 61.674 km49
04.06 78km JPN24. Ultramarathon Okumusashi 9:27:39 h631
08.04 70km JPN12th Toda Saiko 70 km 7:31:33 h253
04.03 91km JPN7th Little Edo 91km 11:11:46 h19
2016
10.07 49.6km JPN5th Trainic world Ogose-Tokigawa Trail Run 50km 8:39:33 h78
03.07 8h JPN22th 8-Hour Endurance Race Tokorozawa - 3 tai 55.182 km59
12.06 50km JPN3rd Trainic world Hanno-Ogose Trail Run 50km 10:05:20 h105
05.06 78km JPN23. Ultramarathon Okumusashi 9:43:41 h750
08.05 49.8km JPN4th Trainic world Chichibu Trail Run 50km 8:37:49 h133
09.04 70km JPN11th Toda Saiko 70 km 7:34:11 h181
2015
12.07 8h JPN21th 8-Hour Endurance Race Tokorozawa - 3 tai 52.688 km78
22.06 77km JPN22. Ultramarathon Okumusashi 9:38:58 h731
11.04 70km JPN10th Toda Saiko 70 km 7:37:58 h204
2014
06.07 8h JPN20th 8-Hour Endurance Race Tokorozawa 61.674 km134
12.04 70km JPN9th Toda Saiko 70 km 7:49:00 h221