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Beppu-Oita Marathon
Marathon miles past steaming hot springs and seaside vistas
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Kagawa Marugame International Half Marathon
One of the world's fastest half marathon courses
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Kishu Kuchikumano Marathon
Passes UNESCO-listed Kumano Kodo pilgrimage road
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Ehime Marathon
Past Matsuyama Castle in Shikoku's Ehime
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Karatsu 10-Mile Road Race
Past Karatsu Castle and its pine-lined shore
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Kochi Ryoma Marathon
Named for Kochi's samurai hero, Sakamoto Ryoma
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Ome Marathon
Japan's historic 30K that launched Olympic careers
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Kyoto Marathon
Historic marathon past shrines castles and bamboo groves
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Kitakyushu Marathon
Big-city marathon out to the Kanmon Strait
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Kumamoto Castle Marathon
A marathon circling the walls of Kumamoto Castle
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Hirakata February Ecomarathon
Loops the Yodogawa riverside path, capped at 200 runners
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Iwaki Sunshine Marathon
Fukushima's seaside marathon along the Iwaki coast
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Inuyama Half Marathon
Riverside course beneath Japan's oldest wooden castle
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Soja Kibiji Marathon
Okayama's largest marathon along the ancient Kibiji road
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Osaka Marathon
Urban marathon through Osaka historic streets and landmarks
Save any of these to your season in RunCalendar and hear the morning entries open. Free on iPhone, no account needed.
Every race here is published by its organiser; RunCalendar checks the date and the entry window against the organiser's own page and rebuilds this calendar every night. A confirmed date shows its day; a provisional one shows only its month. Last updated 22 October 2026.