Course
Marathon42.2 km
10km10 km
Key dates
- ★Race dayTue 3 Nov 2026
Date confirmed with the organiser · entry window checked by RunCalendar
About
The Gunma Marathon follows a flat course along the Tone River in Maebashi, Japan, prized by runners chasing a personal best. Held each November, the race offers marathon and 10K distances through Gunma's countryside, with the flat riverside route drawing a strong field of time-focused runners every year.
Your next race, seen from above.
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Save Gunma 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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