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Marathon Deutsche Weinstraße 2026   HaWei50 50km Ultralauf 28.2.2026   3h, 6h, 12h, 24h of Santander  
Name: Seki, Masahiro 関正博   Submit Personal Website Send Link 
Club: MY☆STAR 
Residence: Kanagawa Pref.
Year of birth: 1967 (Cat. german: M55)
Date of birth: 08.10.1967 (Cat. internat.: M55)
Nationality: JPN JPN Japan
RunnerID: 545475
 

22 search results (22 Events, 2998.6 km).  (More)

2025 2 Events, 342 km  (More)
15.-16.11.2025 Autumn leaves in Okumusashi / Chichibu Journey run (JPN) 142km
21:32:39 h Seki, Masahiro MY Star  Overall: 40 M: 37 Cat M55: 7
15.-16.03.2025 Little Edo Oedo 200k (JPN) 200km
31:16:16 h Seki, Masahiro *Kanagawa Pref.  Overall: 53 M: 48 Cat M55: 5
2024 1 Event, 142 km  (More)
02.-03.11.2024 Autumn leaves in Okumusashi / Chichibu Journey run (JPN) 142km
22:55:26 h Seki, Masahiro *Kanagawa Pref.  Overall: 65 M: 62 Cat M55: 17
2022 5 Events, 891 km  (More)
15.-16.10.2022 Yagurazawa Round Trip Pre-Tournament (JPN) 150km
23:52:50 h Seki, Masahiro My☆Star  Overall: 12 M: 11 Cat M55: 1
16.07.2022 OSJ Ontake 100km Ultra Trail (JPN) 100km
14:53:38 h Seki, Masahiro My☆Star  Overall: 267 M: 247 Cat M50: 42
05.06.2022 Ultramarathon Okumusashi (JPN) 78km
7:29:24 h Seki, Masahiro My☆Star  Overall: 84 M: 70 Cat M50: 7
02.-08.05.2022 Reiheishi Michi Kyoto to Nikko - 363 km (JPN) 363km
5d 06:13:00 h Seki, Masahiro My☆Star  Overall: 2 M: 1 Cat M50: 1
12.-13.03.2022 Little Edo Oedo 200k (JPN) 200km
31:01:12 h Seki, Masahiro My☆Star  Overall: 58 M: 52 Cat M50: 11
2021 3 Events, 343.6 km  (More)
16.-17.10.2021 Tone River Run Up Journey Run Upstream (JPN) 120km
17:55:00 h Seki, Masahiro *Kanagawa Pref.  Overall: 23 M: 22 Cat M50: 9
09.-10.10.2021 Tone River Run Up Journey Run Downstream (JPN) 155km
23:35:00 h Seki, Masahiro *Kanagawa Pref.  Overall: 20 M: 18 Cat M50: 7
04.07.2021 8-Hour Endurance Race Tokorozawa (JPN) 8h
68.600 km Seki, Masahiro MY☆STAR  Overall: 133 M: 83 Cat M50: 19
2020 2 Events, 262 km  (More)
22.03.2020 Arakawa Riverside Journey - 56 km (JPN) 56km
6:11:47 h Seki, Masahiro *Kanagawa Pref.  Overall: 4 M: 4 Cat M50: 2
22.-23.02.2020 Little Edo Oedo 205k (JPN) 206km
31:21:09 h Seki, Masahiro Mystar  Overall: 71 M: 66 Cat M50: 17
2018 1 Event, 78 km  (More)
03.06.2018 Ultramarathon Okumusashi (JPN) 78km
8:22:22 h Seki, Masahiro My☆Star Hurricane  Overall: 212 M: 185 Cat M50: 34
2017 2 Events, 332 km  (More)
04.06.2017 Ultramarathon Okumusashi (JPN) 78km
8:27:44 h Seki, Masahiro My☆Star  Overall: 306 M: 265 Cat M45: 49
03.-05.05.2017 River Road Foot Race 254 Km (JPN) 254km
2d 00:27:41 h Seki, Masahiro   Overall: 29 M: 27 Cat M45: 9
2016 2 Events, 178 km  (More)
12.06.2016 Hida Takayama 100 km Ultramarathon (JPN) 100km
13:55:53 h Seki, Masahiro   Overall: 1331 M: 1176 Cat M45: 198
05.06.2016 Ultramarathon Okumusashi (JPN) 78km
7:22:05 h Seki, Masahiro My☆Star Hurricane  Overall: 118 M: 113 Cat M45: 20
2015 3 Events, 330 km  (More)
20.-21.09.2015 Karisakatoge beyond Chichibu Run (JPN) 153km
21:52:41 h Seki, Masahiro My☆Star  Overall: 32 M: 30 Cat M45: 6
22.06.2015 Ultramarathon Okumusashi (JPN) 77km
7:41:41 h Seki, Masahiro My☆Star Hurricane  Overall: 187 M: 174 Cat M45: 32
19.04.2015 Fuji 5 Lakes 100 km Challenge (JPN) 100km
9:58:08 h Seki, Masahiro MY☆STAR  Overall: 119 M: 108 Cat M45: 19
2014 1 Event, 100 km  (More)
08.06.2014 Hida Takayama 100 km Ultramarathon (JPN) 100km
12:29:11 h Seki, Masahiro MY☆STAR  Overall: 455 M: 420 Cat M45: 70

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 2022 2021 2020 2018 2017 2016 2015 2014

Comparison table

Comparison of performances in races with multiple participations

   2025 2024 2022 2021 2020 2018 2017 2016 2015 2014
Ultramarathon Okumusashi 5     7:29:24     8:22:22 8:27:44 7:22:05 7:41:41  
Little Edo Oedo 205k 3 31:16:16   31:01:12   31:21:09          
Autumn leaves in Okumusashi / Chichibu Journey run 2 21:32:39 22:55:26                
Hida Takayama 100 km Ultramarathon 2               13:55:53   12:29:11