Jun (西村淳) Nishimura
ID 545828
Born : 1977 Cat. M45 Ultrarunner since 2014 JPN
28
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
44
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
30,3%
Rank quotient ?This runner's calculation uses 28 eligible race(s): Σ(rank − 1) = 5 868; Σ finishers = 19 351. 5 868 / 19 351 × 100 = 30.32%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed28
Km — ultra races2 421 km
> 100 km7
> 160 km1
Longest race167,0 km
10th Ultra-Trail Mt. Fuji (UTMF) — 25/4/2025

Km per year (ultra races)

216
2 races
2022
310
3 races
2023
109
1 race
2024
373
4 races
2025
50
1 race
2026

Race types (share of distance)

Road36,2%
Trail63,8%

Records

50 km7h40'55100 km8h59'27

HISTORY

28 race(s)
DateRacePerf.Rk
2026
28.03 50km JPN34th Mt. Rocco Cannonball Run - 50 km Speed 8:11:45 h43
2025
06.07 55km JPN2nd Tsurugi Foothills Trail Du Kamiichi 7:39:07 h40
08.06 100km JPN13th Hida Takayama 100 km Ultramarathon 13:26:02 h1174
25.04 167km JPN10th Ultra-Trail Mt. Fuji 38:25:00 h593
06.04 51.4km JPN3rd AYABE Trailrun 6:55:51 h53
2024
14.07 109.2km JPN16th OSJ Ontake 100km Ultra Trail 15:35:20 h377
2023
17.09 110km JPN15th Shinetsu Five Mountains Trail 110km 20:09:19 h109
11.06 100km JPN11th Hida Takayama 100 km Ultramarathon 12:43:11 h653
22.01 100km JPN33th Miyako 100 km Ultramarathon 13:45:35 h169
2022
18.09 109km JPN14th Shinetsu Five Mountains Trail 110km 19:05:10 h84
16.07 106.5km JPN14th OSJ Ontake 100km Ultra Trail 13:58:04 h197
2020
19.01 100km JPN30th Miyako 100 km Ultramarathon 13:58:40 h401
2019
13.07 100km JPN12th OSJ Ontake 100km Ultra Trail 13:51:49 h195
19.05 72km JPN24th Saba Highway Ultramarathon 9:03:55 h126
2018
21.10 100km JPN24th River Shimanto 100km 8:59:27 h59
16.09 110km JPN10th Shinetsu Five Mountains Trail 110km 15:39:23 h28
20.05 72km JPN23th Saba Highway Ultramarathon 7:53:51 h69
22.04 100km JPN10th 100 km Ultra Maranic Osaka 10:48:44 h58
2017
17.09 52km JPN9th Shinetsu Five Mountains Trail 110km 5:56:48 h62
15.07 100km JPN10th OSJ Ontake 100km Ultra Trail 12:14:27 h66
2016
18.09 110km JPN8th Shinetsu Five Mountains Trail 110km 14:56:00 h81
26.06 72.7km JPN3. Spatrail - Shima to Kusatsu 9:59:27 h97
28.05 50km JPN2nd Mt. Hiei Int. 50 km Trail Run 7:40:55 h112
24.04 70km JPN2nd Okumikawa Power Trail 10:51:28 h161
2015
20.09 60km JPN15th Tango 60 km Ultramarathon 5:40:47 h81
30.05 50km JPN1st Mt. Hiei Int. 50 km Trail Run 8:36:57 h105
15.03 72km JPN2nd Izu Trail Journey 11:14:32 h350
2014
08.06 72km JPN3rd Hida Takayama 72 km Ultramarathon 9:56:55 h353