
Marathons in Kumamoto
Kumamoto has one marathon in our database in Japan, centred on Kumamoto. Kumamoto Castle Marathon typically draws around 1,500 finishers. Browse the races below for course maps, elevation profiles, typical weather, and practical race-day detail to help you choose your next start line. Plan by month on our marathon calendar or filter by country and region.

Nearby Marathons
Other races closest to Kumamoto.

Shimonoseki Kaikyo Marathon
The Shimonoseki Kaikyo Marathon draws approximately 9,000 finishers each November on a harbor road in Shimonoseki, Japan. The narrow strait setting gives the race a dramatic maritime character from start to finish. The course passes Kanmon Strait waterfronts, fishing-port districts, and repeated sea views toward Kitakyushu. Kanmon Strait waterfronts and fishing-port districts rise and fall beside repeated sea views toward Kitakyushu across the narrow channel.
Next race: Sunday, 1 November 2026