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Marathon Deutsche Weinstraße 2026   HaWei50 50km Ultralauf 28.2.2026   3h, 6h, 12h, 24h of Santander  
Name: Aihara, Kosuke 相原孝介   Submit Personal Website Send Link 
Club: 東都興業 
Residence: Tokyo
Year of birth: 1977 (Cat. german: M45)
Date of birth: 00.00.0000 (Cat. internat.: M45)
Nationality: JPN JPN Japan
RunnerID: 1003833
 

16 search results (16 Events, 1461.068 km).  (More)

2025 3 Events, 427.934 km  (More)
13.-15.09.2025 Shinetsu Five Mountains Trail 100 mile (JPN) 100mi
27:10:25 h Aihara, Kosuke   Overall: 54 M: 51 Cat M45: 13
08.06.2025 Hida Takayama 100 km Ultramarathon (JPN) 100km
11:08:35 h Aihara, Kosuke   Overall: 280 M: 249 Cat M45: 39
25.-26.04.2025 Ultra-Trail Mt. Fuji (UTMF) (JPN) 167km
26:16:23 h Aihara, Kosuke 東都興業  Overall: 50 M: 45 Cat M45: 7
2024 2 Events, 260.934 km  (More)
14.-16.09.2024 Shinetsu Five Mountains Trail 100 mile (JPN) 100mi
25:09:28 h Aihara, Kosuke *Tokyo  Overall: 39 M: 37 Cat M45: 7
09.06.2024 Hida Takayama 100 km Ultramarathon (JPN) 100km
11:07:29 h Aihara, Kosuke *Tokyo  Overall: 289 M: 268 Cat M45: 55
2023 3 Events, 256 km  (More)
18.-19.11.2023 FunTrails100K Round (JPN) 106km
22:37:01 h Aihara, Kosuke *Tokyo  Overall: 96 M: 86 Cat M45: 14
10.09.2023 Hakuba Int. Trail Run (JPN) 50km
6:24:56 h Aihara, Kosuke *Tokyo  Overall: 14 M: 13 Cat M45: 3
21.05.2023 Yatsugatake Nobeyama 100 km (JPN) 100km
13:45:24 h Aihara, Kosuke   Overall: 637 M: 564 Cat M45: 82
2022 3 Events, 220 km  (More)
11.12.2022 Izu Trail Journey (JPN) 70km
9:29:02 h Aihara, Kosuke   Overall: 189 M: 173 Cat M40: 37
04.09.2022 Hakuba Int. Trail Run (JPN) 50km
7:27:46 h Aihara, Kosuke *Tokyo  Overall: 98 M: 86 Cat M40: 20
24.04.2022 Yamadera Zao 100 Km Ultra Marathon (JPN) 100km
17:41:04 h Aihara, Kosuke   Overall: 45 M: 37 Cat M40: 5
2019 1 Event, 71.7 km  (More)
08.12.2019 Izu Trail Journey (JPN) 71.7km
9:42:39 h Aihara, Kosuke   Overall: 321 M: 301 Cat M40: 79
2018 3 Events, 173.1 km  (More)
09.12.2018 Izu Trail Journey (JPN) 71.7km
11:38:47 h Aihara, Kosuke   Overall: 525 M: 481 Cat M40: 111
09.09.2018 Hakuba Int. Trail Run (JPN) 51.4km
8:01:03 h Aihara, Kosuke *Tokyo  Overall: 217 M: 201 Cat M40: 43
10.06.2018 Skyline Trail Sugadaira (JPN) 50km
8:45:23 h Aihara, Kosuke   Overall: 124 M: 113 Cat M40: 23
2017 1 Event, 51.4 km  (More)
10.09.2017 Hakuba Int. Trail Run (JPN) 51.4km
7:37:45 h Aihara, Kosuke   Overall: 301 M: 271 Cat M35: 53

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 2017

Comparison table

Comparison of performances in races with multiple participations

   2025 2024 2023 2022 2019 2018 2017
Hakuba Int. Trail Run 4     6:24:56 7:27:46   8:01:03 7:37:45
Izu Trail Journey 3       9:29:02 9:42:39 11:38:47  
Shinetsu Five Mountains Trail 100 mile 2 27:10:25 25:09:28          
Hida Takayama 100 km Ultramarathon 2 11:08:35 11:07:29