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Marathon Deutsche Weinstraße 2026   HaWei50 50km Ultralauf 28.2.2026   3h, 6h, 12h, 24h of Santander  
Name: Masaki, Kosuke 正木康介   Submit Personal Website Send Link 
Club: Masaki Racing 
Residence: Kobe, Hyogo Pref.
Year of birth: 1964 (Cat. german: M60)
Date of birth: 00.00.0000 (Cat. internat.: M60)
Nationality: JPN JPN Japan
RunnerID: 213564
 

21 search results (21 Events, 2402.102 km).  (More)

2025 2 Events, 220 km  (More)
10.-11.10.2025 Kodiak Ultra Marathons by UTMB - 100M (USA) 160km
35:15:39 h Masaki, Kosuke   Overall: 309 M: 256 Cat M60: 12
17.08.2025 World Geopark Trail Run in Sanin Kaigan (JPN) 60km
10:30:15 h Masaki, Kosuke   Overall: 52 M: 49 Cat M60: 2
2024 3 Events, 386 km  (More)
15.-16.09.2024 Shinetsu Five Mountains Trail 110km (JPN) 110km
17:48:13 h Masaki, Kosuke ﾏｻｷﾚｰｼﾝｸﾞ  Overall: 326 M: 268 Cat M55: 18
26.-27.04.2024 Ultra-Trail Mt. Fuji (UTMF) (JPN) 167km
38:54:24 h Masaki, Kosuke マサキレーシング  Overall: 670 M: 608 Cat M55: 56
23.-24.03.2024 Hiroshima Wangan Trail Run (JPN) 109km
24:51:23 h Masaki, Kosuke   Overall: 182 M: 160 Cat M55: 9
2023 1 Event, 69 km  (More)
22.-23.04.2023 KAI 69k (JPN) 69km
12:03:24 h Masaki, Kosuke マサキレーシング  Overall: 157 M: 132 Cat M55: 6
2022 2 Events, 273 km  (More)
20.-21.11.2022 FunTrails100K Round (JPN) 106km
25:00:32 h Masaki, Kosuke マサキレーシング  Overall: 209 M: 189 Cat M55: 13
22.-24.04.2022 Ultra-Trail Mt. Fuji (UTMF) (JPN) 167km
35:53:04 h Masaki, Kosuke マサキレーシング  Overall: 643 M: 566 Cat M55: 37
2019 1 Event, 90 km  (More)
29.06.2019 Utsukushigahara 90 Km Trail Run (JPN) 90km
15:45:00 h Masaki, Kosuke   Overall: 39 M: 36 Cat M50: 3
2018 3 Events, 310.934 km  (More)
28.-29.09.2018 The Bear 100 Mile Endurance Run (USA) 100mi
32:56:11 h Masaki, Kosuke *Kobe  Overall: 154 M: 125 Cat M50: 6
30.06.2018 Utsukushigahara 80 Km Trail Run (JPN) 80km
12:43:59 h Masaki, Kosuke   Overall: 55 M: 52 Cat M50: 3
22.04.2018 Okumikawa Power Trail (JPN) 70km
11:03:31 h Masaki, Kosuke 正木レーシング  Overall: 74 M: 70 Cat M50: 9
2016 2 Events, 230.934 km  (More)
16.-17.09.2016 Run Rabbit Run 100 Mile UltraMarathon - Tortoises Run (USA) 100mi
30:05:18 h Masaki, Kosuke *Kobe  Overall: 56 M: 49 Cat M50: 2
24.04.2016 Okumikawa Power Trail (JPN) 70km
10:33:43 h Masaki, Kosuke マサキレーシング  Overall: 127 M: 119 Cat M50: 13
2015 1 Event, 170.3 km  (More)
25.-27.09.2015 Ultra-Trail Mt. Fuji (UTMF) (JPN) 170.3km
36:32:07 h Masaki, Kosuke   Overall: 200 M: 173 Cat M50: 13
2014 1 Event, 73 km  (More)
19.10.2014 OSJ Hyonosen Mountains Trail Race (JPN) 73km
10:18:38 h Masaki, Kosuke 正木レーシング  Overall: 56 M: 56 Cat M45: 4
2013 1 Event, 168 km  (More)
30.08.-01.09.2013 Ultra Trail Tour du Mont Blanc (UTMB) (FRA) 168km
42:29:35 h Masaki, Kosuke Masaki Racing  Overall: 1063 M: 990 Cat M45: 185
2012 2 Events, 210.934 km  (More)
15.-16.07.2012 OSJ Ontake 100 Mile Ultra Trail (JPN) 100mi
23:17:40 h Masaki, Kosuke *Hyogo Pref.  Overall: 28 M: 27 Cat M45: 6
03.06.2012 OSJ Okukuji Trail 50k (JPN) 50km
10:19:29 h Masaki, Kosuke *Hyogo Pref.  Overall: 95 M: 90 Cat M45: 17
2011 2 Events, 200 km  (More)
17.07.2011 OSJ Ontake 100km Ultra Trail (JPN) 100km
11:38:27 h Masaki, Kosuke *Hyogo Pref.  Overall: 28 M: 28 Cat M45: 2
24.04.2011 Okukumano 100 Km Ultramarathon (JPN) 100km
9:42:47 h Masaki, Kosuke   Overall: 14 M: 13 Cat M45: 3

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 2024 2023 2022 2019 2018 2016 2015 2014 2013 2012 2011

Comparison table

Comparison of performances in races with multiple participations

   2025 2024 2023 2022 2019 2018 2016 2015 2014 2013 2012 2011
Ultra-Trail Mt. Fuji (UTMF) 3   38:54:24   35:53:04       36:32:07        
Okumikawa Power Trail 2           11:03:31 10:33:43