Junichi (高橋潤一) Takahashi
Born : 1978 Cat. M45 Ultrarunner since 2015 JPN
29
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
47
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
2
Countries visited ?JPNJapanKORSouth Korea
41,5%
Rank quotient ?This runner's calculation uses 29 eligible race(s): Σ(rank − 1) = 6 279; Σ finishers = 15 138. 6 279 / 15 138 × 100 = 41.48%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed29
Km — ultra races2 559 km
> 100 km4
Longest race129,0 km

Km per year (ultra races)

70
1 race
2022
225
3 races
2023
401
4 races
2024
350
4 races
2025
247
4 races
2026

Race types (share of distance)

Road97,5%
Trail2,5%

HISTORY

29 race(s)
DateRacePerf.Rk
2026
28.06 50km JPN41. Lake Saroma 50 km Ultramarathon 5:08:49 h56
17.05 77km JPN31th Saba Highway Ultramarathon 11:51:06 h341
26.04 70km JPN2nd Suo-Oshima Ultramarathon 8:46:29 h50
01.02 50km JPN5th Amami yori yori Run 6:12:52 h15
2025
14.12 100km JPN6th Tobishima Ultra Marathon 13:57:33 h173
18.10 100km JPN8th Iki 100 km Ultra Marathon 13:37:35 h296
24.05 100km KOR24th Jeju City 100 km 11:41:00 h6
02.02 50km JPN4th Amami yori yori Run 6:09:39 h13
2024
23.08 101km JPN11th World Cultural Heritage "Fuji" Foot Race 16:31:01 h130
30.06 100km JPN39. Lake Saroma 100 km Ultramarathon 11:56:17 h932
21.04 100km JPN3rd Suo-Oshima Ultra Marathon - 100 km 11:58:46 h64
21.01 100km JPN34th Miyako 100 km Ultramarathon 12:54:21 h191
2023
21.10 100km JPN6th Iki 100 km Ultra Marathon 11:48:37 h125
15.10 60km JPN29th River Shimanto 60km 6:19:43 h57
16.07 65km JPN3rd Yamaguchi Hagi Return 10:25:22 h44
2022
22.05 70km JPN1st Suo-Oshima Ultra Marathon - 70 km 10:54:10 h48
2020
19.01 100km JPN30th Miyako 100 km Ultramarathon 11:42:58 h124
2019
02.11 103km JPNTachibana Bay Coast 103 Ultra Marathon 14:46:03 h56
30.06 100km JPN34. Lake Saroma 100 km Ultramarathon 12:12:56 h1463
2018
21.10 100km JPN24th River Shimanto 100km 11:34:13 h401
2017
25.06 100km JPN32. Lake Saroma 100 km Ultramarathon 10:53:39 h641
15.01 100km JPN27th Miyako 100 km Ultramarathon 11:37:41 h116
2016
04.05 129km JPN10th Nagasaki Tachibana Gulf Coast Super Maranic 173 18:11:12 h56
2015
21.11 103km JPNTachibana Bay Coast 100 Ultra Marathon 12:52:30 h18
20.09 88km JPN6th Akiota Yajirushi Marathon 88km 11:09:25 h190
21.07 63km JPN3rd Kirishima Ebino-kougen Extreme Trail 11:49:15 h155
06.06 100km JPN25th Aso Caldera Super Marathon 100 km 10:15:52 h131
04.05 80km JPN9th Nagasaki Tachibana Gulf Coast Super Maranic 80 8:55:27 h13
11.01 100km JPN25th Miyako 100 km Ultramarathon 13:25:50 h403