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Name: Isaka, Kenji 井坂研次   Submit Personal Website Send Link 
Club:  
Residence: Kanagawa Pref.
Year of birth: 1975 (Cat. german: M50)
Date of birth: 00.00.0000 (Cat. internat.: M50)
Nationality: JPN JPN Japan
RunnerID: 426037
 

6 search results (6 Events, 600 km).  (More)

2026 1 Event, 100 km  (More)
28.06.2026 Lake Saroma 100 Km Ultramarathon (JPN) 100km
9:41:56 h Isaka, Kenji   Overall: 415 M: 375 Cat M50: 65
2025 1 Event, 100 km  (More)
29.06.2025 Lake Saroma 100 Km Ultramarathon (JPN) 100km
10:43:22 h Isaka, Kenji   Overall: 523 M: 470 Cat M45: 67
2019 1 Event, 100 km  (More)
19.05.2019 Tokyo Shibamata 100 km (JPN) 100km
10:18:23 h Isaka, Kenji   Overall: 177 M: 168 Cat M40: 27
2018 1 Event, 100 km  (More)
03.06.2018 Tokyo Shibamata 100 km (JPN) 100km
10:27:44 h Isaka, Kenji   Overall: 152 M: 137 Cat M40: 34
2015 1 Event, 100 km  (More)
06.06.2015 Tokyo Shibamata 100 km (JPN) 100km
10:15:00 h Isaka, Kenji   Overall: 173 M: 168 Cat M35: 25
2013 1 Event, 100 km  (More)
01.06.2013 Tokyo Shibamata 100 km (JPN) 100km
10:42:26 h Isaka, Kenji *Kanagawa Pref.  Overall: 192 M: 175 Cat M35: 28

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 2026 2025 2019 2018 2015 2013
100km 9:41:56 9:41:56
(993/379) 		10:43:22
(2211/808) 		10:18:23
(2048/825) 		10:27:44
(2301/931) 		10:15:00
(2219/923) 		10:42:26
(2613/797)

Comparison table

Comparison of performances in races with multiple participations

   2026 2025 2019 2018 2015 2013
Tokyo Shibamata 100 km 4     10:18:23 10:27:44 10:15:00 10:42:26
Lake Saroma 100 Km Ultramarathon 2 9:41:56 10:43:22