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Half Marathons in Japan 2026 4 events

21.1 kilometres (13.1 miles) — the bridge between the 10K and the full marathon. Browse upcoming events in Japan.

Upcoming races

RunningIn 2 weeks

Run Kumamoto Half

◎ Kumamoto, Japan▤ Nov 24, 2026

21.1 km

RunningIn 3 weeks

Sendai Half Marathon

◎ Sendai, Japan▤ Dec 1, 2026

21.1 km

RunningIn 3 months

Run Nagano Half

◎ Nagano, Japan▤ Feb 10, 2027

21.1 km

RunningIn 13 months

Okinawa Half Marathon 2027

◎ Okinawa, Japan▤ Nov 24, 2027

21.1 km

Also in Japan

5K Races in Japan 10K Races in Japan Marathons in Japan 50K Races in Japan 100K Races in Japan Ultramarathons in Japan

Half Marathons in Japan 2026 | Racelify