Half Marathons in Japan 2026 6 events
21.1 kilometres (13.1 miles) — the bridge between the 10K and the full marathon. Browse upcoming events in Japan.
Upcoming races
RunningIn 5 weeks
Tokyo Legacy Half Marathon
◎ Tokyo, Japan▤ Oct 18, 2026
21.1 km
RunningIn 6 weeks
Matsumoto Half Marathon
◎ Matsumoto, Japan▤ Oct 23, 2026
21.1 km
RunningIn 2 months
Run Kumamoto Half
◎ Kumamoto, Japan▤ Nov 24, 2026
21.1 km
RunningIn 3 months
Sendai Half Marathon
◎ Sendai, Japan▤ Dec 1, 2026
21.1 km
RunningIn 5 months
Run Nagano Half
◎ Nagano, Japan▤ Feb 10, 2027
21.1 km
RunningIn 14 months
Okinawa Half Marathon 2027
◎ Okinawa, Japan▤ Nov 24, 2027
21.1 km