Junji (平山淳士) Hirayama
Born : 1972 Cat. M50 Ultrarunner since 2009 JPN
52
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
55
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 ?HKGHong KongJPNJapan
63,1%
Rank quotient ?This runner's calculation uses 61 eligible race(s): Σ(rank − 1) = 17 544; Σ finishers = 27 816. 17 544 / 27 816 × 100 = 63.07%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed61
Km — ultra races4 986 km
> 100 km12
> 160 km1
Longest race167,0 km

Km per year (ultra races)

799
9 races
2022
70
1 race
2023
103
2 races
2024
316
4 races
2025
467
5 races
2026

Race types (share of distance)

Road37,1%
Trail62,9%

Wins & podiums (ultra)

🏆 Win2
🏆 Win M2
🏅 Top 33
🏅 Top 3 M3
Longest winning streak1
Current streak0

HISTORY

61 race(s)
DateRacePerf.Rk
2026
20.06 105km JPN2nd Kaga Spa by UTMB - Kaga Spa Trail Endurance100 25:20:21 h559
31.05 100km JPN1st Nara Ultra Marathon 14:15:29 h1941
17.05 55.7km JPN13th Kobo Trail 2026 13:44:12 h61
12.04 46km JPN1st Wake Alps Trail 8:23:18 h133
28.03 160km JPN1st Shinkun Iga-goe Route Journey Run 26:09:10 h44
2025
07.12 52km JPN11th Kumano Old Trails 8:15:21 h79
14.11 120km HKG12th TransLantau 120 by UTMB 29:03:00 h105
28.09 88km JPN28th Muraoka 88 km Ultra Marathon 12:00:18 h50
18.05 55.7km JPN12th Kobo Trail 2025 13:14:02 h64
2024
01.12 52km JPN10th Kumano Old Trails 9:56:07 h114
14.04 51.4km JPN2nd AYABE Trailrun 8:18:34 h130
2023
10.12 70km JPN10th Izu Trail Journey 12:21:14 h847
2022
11.12 100km JPN3rd Tobishima Ultra Marathon 12:47:25 h83
04.12 52km JPN8th Kumano Old Trails 8:14:54 h72
06.11 50km JPN9th Nakanoto Treasure Trail Run Festival 6:52:06 h67
15.10 73km JPN7th Gasando Trail running race 12:38:17 h159
16.07 106.5km JPN14th OSJ Ontake 100km Ultra Trail 17:43:09 h538
28.05 103km JPN10th Tojinbo 103 km Ultramarathon 13:55:00 h101
22.05 77km JPN27th Saba Highway Ultramarathon 10:19:13 h101
22.04 167km JPN7th Ultra-Trail Mt. Fuji 36:26:12 h679
10.04 70km JPN7th Okumikawa Power Trail 13:44:00 h336
2019
03.11 48km JPN3rd Ninja Trail Run 7:34:54 h105
20.10 57.8km JPN3rd Kohechi Trail Journey 9:54:09 h39
06.10 73km JPN5th Gasando Trail running race 12:21:50 h85
21.09 143km JPN6th SkyView Ultra-Trail 140 - Yamada Noboru Memorial Cup 34:21:42 h368
13.07 100km JPN12th OSJ Ontake 100km Ultra Trail 16:42:57 h528
09.06 100km JPN3rd Koyasan and Ryujin-Onsen 100 km Ultra Marathon 13:24:21 h208
25.05 50km JPN5th Mt. Hiei Int. 50 km Trail Run 10:25:45 h251
2018
20.10 73km JPN9th OSJ Hyonosen Mountains Trail Race 12:36:23 h120
14.10 57.8km JPN2nd Kohechi Trail Journey 9:06:34 h27
07.10 71.5km JPN26th Hasetsune Cup - Japan Mountain Endurance Race 20:38:08 h1183
22.09 129km JPN5th SkyView Ultra-Trail 120 - Yamada Noboru Memorial Cup 33:20:04 h400
27.05 65km JPN3rd Osorakan-Trail 12:41:21 h114
20.05 55.7km JPN5th Kobo Trail 2018 11:41:13 h45
21.01 100km JPN28th Miyako 100 km Ultramarathon 13:48:46 h292
2017
15.10 57.8km JPN1st Kohechi Trail Journey 9:54:04 h36
17.09 52km JPN9th Shinetsu Five Mountains Trail 110km 6:36:27 h137
15.07 100km JPN10th OSJ Ontake 100km Ultra Trail 17:27:59 h696
28.05 65km JPN2nd Osorakan-Trail 11:50:40 h112
23.04 70km JPN3rd Okumikawa Power Trail 12:36:26 h328
2016
11.12 71.7km JPN3rd Izu Trail Journey 11:01:09 h321
18.09 110km JPN8th Shinetsu Five Mountains Trail 110km 20:40:57 h410
28.05 103km JPN5th Tojinbo 103 km Ultramarathon 13:46:59 h85
22.05 55.7km JPN3rd Kobo Trail 2016 11:12:47 h33
26.03 112km JPN14th Mt. Rocco Cannonball Run - 112 km Power 18:02:39 h66
2015
04.09 106km JPN15th Taiyou No Michi 106km 19:16:00 h1 🏆
30.05 50km JPN1st Mt. Hiei Int. 50 km Trail Run 10:15:35 h319
24.05 55.7km JPN2nd Kobo Trail 2015 11:22:58 h42
15.03 72km JPN2nd Izu Trail Journey 12:56:43 h775
2014
18.05 77km JPNSaba Highway Ultramarathon 10:59:37 h306
2013
19.05 76km JPNSaba Highway Ultramarathon 10:27:02 h212
26.04 84km JPN2nd Shizuoka to Yamanashi 22:06:47 h787
2012
21.10 100km JPN18th River Shimanto 100km 13:49:24 h959
30.09 66km JPN15th Muraoka 66 km Ultra Marathon 8:01:59 h42
15.07 100km JPN5th OSJ Ontake 100km Ultra Trail 14:38:09 h378
2010
14.11 80km JPN1st OSJ Hyonosen Mountains Trail Race 17:25:50 h133
19.09 100km JPN10th Tango 100 km Ultramarathon 13:23:10 h514
12.06 90km JPN8th Osaka Bay 90km 11:54:00 h1 🏆
05.06 63.5km JPN6th Diamond trail 12:32:09 h4
2009
18.10 100km JPN15th River Shimanto 100km 13:22:52 h877
13.06 90km JPN7th Osaka Bay 90km 15:39:00 h3 🥉