Course
Marathon42.2 km
10K10 km
Key dates
- ★Race daySun 6 Dec 2026
Date confirmed with the organiser · entry window checked by RunCalendar
About
The Shonan International Marathon starts in the seaside town of Oiso and follows Japan's famous Shonan coastline in Kanagawa Prefecture, with views across Sagami Bay. The race offers marathon and 10K distances along this popular stretch of coast south of Tokyo.
Your next race, seen from above.
Save Shonan International Marathon to your season and RunCalendar reminds you the morning entries open and before they close. Free on iPhone, no account needed.
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Save Shonan International Marathon to your season and RunCalendar reminds you the morning entries open and before they close. Free on iPhone, no account needed.
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