Masaki (平根雅希) Hirane
ID 730377
Born : 1978 Cat. M45 Ultrarunner since 2015 JPN
38
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
50
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
60,9%
Rank quotient ?This runner's calculation uses 38 eligible race(s): Σ(rank − 1) = 14 392; Σ finishers = 23 637. 14 392 / 23 637 × 100 = 60.89%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed38
Km — ultra races2 851 km
Longest race100,0 km
4th North Kyoto 100 Trail Run — 11/7/2026

Km per year (ultra races)

174
3 races
2022
350
4 races
2023
350
4 races
2024
535
7 races
2025
501
6 races
2026

Race types (share of distance)

Road71,5%
Trail28,5%

Records

50 km5h29'49100 km12h25'39

HISTORY

38 race(s)
DateRacePerf.Rk
2026
11.07 100km JPN4th North Kyoto 100 Trail Run 20:42:30 h81
14.06 100km JPN14th Hida Takayama 100 km Ultramarathon 13:09:14 h938
31.05 100km JPN1st Nara Ultra Marathon 13:47:46 h1556
09.05 50km JPN12th Mt. Hiei Int. 50 km Trail Run 9:48:49 h250
19.04 100km JPN26. Okukumano 100 km Ultramarathon 13:20:40 h230
05.04 51.4km JPN4th AYABE Trailrun 9:00:54 h261
2025
02.11 74km JPN5th OSJ Kami 74 14:18:19 h39
14.09 100km JPN23th Tango 100 km Ultramarathon 13:27:19 h736
19.07 60km JPN3rd North Kyoto 100 Trail Run 10:27:32 h16
08.06 100km JPN13th Hida Takayama 100 km Ultramarathon 13:27:35 h1192
20.04 100km JPN25. Okukumano 100 km Ultramarathon 12:28:44 h124
06.04 51.4km JPN3rd AYABE Trailrun 8:20:59 h176
15.03 50km JPN11th Mt. Hiei Int. 50 km Trail Run 9:59:05 h361
2024
15.09 100km JPN22th Tango 100 km Ultramarathon 13:52:12 h735
09.06 100km JPN12th Hida Takayama 100 km Ultramarathon 12:57:29 h889
11.05 50km JPN10th Mt. Hiei Int. 50 km Trail Run 9:55:35 h309
21.04 100km JPN24. Okukumano 100 km Ultramarathon 12:25:39 h108
2023
17.09 100km JPN21th Tango 100 km Ultramarathon 13:11:58 h385
11.06 100km JPN11th Hida Takayama 100 km Ultramarathon 13:53:19 h1225
13.05 50km JPN9th Mt. Hiei Int. 50 km Trail Run 9:57:39 h378
23.04 100km JPN23. Okukumano 100 km Ultramarathon 13:17:00 h164
2022
16.10 57.8km JPN4th Kohechi Trail Journey 10:50:24 h34
29.09 45km JPN25th Muraoka 45 km Ultra Marathon 4:38:12 h186
12.06 71km JPN10th Hida Takayama 71 km Ultramarathon 8:32:34 h131
2019
20.10 57.8km JPN3rd Kohechi Trail Journey 11:42:12 h88
29.09 100km JPN22th Muraoka 100 km Ultra Marathon 13:54:46 h464
09.06 100km JPN8th Hida Takayama 100 km Ultramarathon 13:46:54 h1690
2018
14.10 57.8km JPN2nd Kohechi Trail Journey 11:39:10 h99
16.09 60km JPN18th Tango 60 km Ultramarathon 7:29:41 h212
10.06 50km JPN2nd Koyasan and Ryujin-Onsen 50 km Ultra Marathon 5:31:50 h72
27.05 51.9km JPN3rd Rokko 5 Peaks Trail Race 10:56:54 h63
12.05 50km JPN4th Mt. Hiei Int. 50 km Trail Run 10:47:03 h517
2017
24.09 88km JPN20th Muraoka 88 km Ultra Marathon 12:39:57 h127
11.06 71km JPN6th Hida Takayama 71 km Ultramarathon 8:17:05 h135
2016
25.09 66km JPN19th Muraoka 66 km Ultra Marathon 8:46:47 h64
11.09 50km JPN1st Koyasan and Ryujin-Onsen 50 km Ultra Marathon 5:29:49 h78
12.06 72km JPN5th Hida Takayama 72 km Ultramarathon 8:10:05 h100
2015
27.09 66km JPN18th Muraoka 66 km Ultra Marathon 10:06:42 h217