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Marathon Deutsche Weinstraße 2026   HaWei50 50km Ultralauf 28.2.2026   3h, 6h, 12h, 24h of Santander  
Name: Shirokura, Masaji 城倉雅次   Submit Personal Website Send Link 
Club: 寒川病院 
Residence: Yamato-City, Kanagawa
Year of birth: 1959 (Cat. german: M65)
Date of birth: 21.12.1959 (Cat. internat.: M65)
Nationality: JPN JPN Japan
RunnerID: 537038
 

21 search results (21 Events, 1806.6 km).  (More)

2025 1 Event, 112 km  (More)
01.-02.03.2025 Onagawa 100 trails - 112km (JPN) 112km
27:54:23 h Shirokura, Masaji *Nagano Pref.  Overall: 44 M: 30 Cat M65: 1
2023 2 Events, 209 km  (More)
04.11.2023 Salt Road Trail (JPN) 79km
17:36:08 h Shirokura, Masaji   Overall: 103 M: 90 Cat M60: 7
23.-25.06.2023 Deep Japan Ultra 100 - 130 km (JPN) 130km
40:18:15 h Shirokura, Masaji   Overall: 11 M: 8 Cat M60: 2
2022 1 Event, 65 km  (More)
17.-18.07.2022 Nozawa Onsen 4100D Mountain Trail (JPN) 65km
15:45:43 h Shirokura, Masaji *Nagano Pref.  Overall: 411 M: 353 Cat M60: 11
2019 3 Events, 395 km  (More)
30.11.2019 Formosa Trail 75Km (TPE) 75km
18:44:31 h Shirokura, Masaji   Overall: 154 M: 131 Cat M55: 7
21.-22.09.2019 SkyView Ultra-Trail 140 - Yamada Noboru Memorial Cup (JPN) 143km
37:15:45 h Shirokura, Masaji   Overall: 541 M: 480 Cat M55: 28
13.-15.07.2019 Michinoku Tsugaru Journey Run 177K (JPN) 177km
34:10:33 h Shirokura, Masaji *Nagano Pref.  Overall: 79 M: 67 Cat M55: 11
2018 5 Events, 457.7 km  (More)
16.12.2018 Coast to Coast 70k Trail Run (JPN) 68km
11:30:31 h Shirokura, Masaji   Overall: 441 M: 398 Cat M55: 15
09.12.2018 Izu Trail Journey (JPN) 71.7km
13:44:13 h Shirokura, Masaji   Overall: 1211 M: 1068 Cat M55: 71
10.06.2018 Skyline Trail Sugadaira (JPN) 50km
10:17:45 h Shirokura, Masaji   Overall: 236 M: 204 Cat M55: 13
06.-08.04.2018 100 Miles of Istria (CRO) 168km
44:31:14 h Shirokura, Masaji *Yamato-City, Kanagawa  Overall: 252 M: 223 Cat M55: 12
27.-28.01.2018 Hong Kong 100 Ultra Trail Race (HKG) 100km
23:46:58 h Shirokura, Masaji   Overall: 1201 M: 939 Cat M55: 32
2017 5 Events, 309.7 km  (More)
17.12.2017 Coast to Coast 70k Trail Run (JPN) 68km
11:10:37 h Shirokura, Masaji   Overall: 305 M: 273 Cat M55: 15
05.11.2017 Nakanoto Treasure Trail Run Festival (JPN) 50km
8:57:24 h Shirokura, Masaji *Kanagawa Pref.  Overall: 95 M: 82 Cat M55: 5
21.10.2017 Shigakogen Extreme Trail (JPN) 54km
12:40:41 h Shirokura, Masaji *Kanagawa Pref.  Overall: 128 M: 121 Cat M55: 6
15.-16.07.2017 Nozawa Onsen 4100D Mountain Trail (JPN) 65km
13:51:09 h Shirokura, Masaji *Kanagawa Pref.  Overall: 226 M: 198 Cat M55: 9
25.06.2017 Spatrail - Shima to Kusatsu (JPN) 72.7km
12:49:59 h Shirokura, Masaji   Overall: 701 M: 624 Cat M55: 29
2016 3 Events, 213.2 km  (More)
11.12.2016 Izu Trail Journey (JPN) 71.7km
13:03:13 h Shirokura, Masaji 寒川病院  Overall: 870 M: 773 Cat M55: 34
09.-10.10.2016 Hasetsune Cup - Japan Mountain Endurance Race (JPN) 71.5km
19:12:57 h Shirokura, Masaji 寒川病院  Overall: 1382 M: 1249 Cat M55: 66
28.08.2016 Tsukuba Renjyo 70 Km Road & Trail Run (JPN) 70km
11:51:24 h Shirokura, Masaji 寒川病院  Overall: 209 M: 190 Cat M55: 14
2010 1 Event, 45 km  (More)
31.10.2010 Shinshu-Togakushi Trail Run Race (JPN) 45km
7:14:56 h Shirokura, Masaji AC横浜  Overall: 206 M: 188 Cat M50: 17

Personal bests

Your list of personal best performances only contains performances of races which can be included into rankings.

In brackets rank in yearly international/national rankings.

 PB 2025 2023 2022 2019 2018 2017 2016 2010

Comparison table

Comparison of performances in races with multiple participations

   2025 2023 2022 2019 2018 2017 2016 2010
Nozawa Onsen 4100D Mountain Trail 2     15:45:43     13:51:09    
Coast to Coast 70k Trail Run 2         11:30:31 11:10:37    
Izu Trail Journey 2         13:44:13   13:03:13