Keep updated on road races around Japan. Learn about marathons, half marathons and more - open for registration, scheduled, cancelled, postponed - in 2022. Updated frequently.
Running Events supported by Samurai Sports
Marathon to 10K from Kansai to Kanto! The Eco Marathon series of road races emphasize sustainability and charity.
Explore the natural side of Tokyo with beautiful greenery and steep climbs across a challenging 16KM trail course.
Located in Gunma, the Akagi Forest Trail Race offers a cross-country-style 30KM and 15KM course.
Located near the Kosuge Hot Spring in Yamanashi Prefecture, the Tamagawa Genryu Trail Race offers a 20KM course.
Located in Yamagata's Shonai town, the Gassan Ryujin (Half) Marathon offers a half marathon, 10KM, 5KM, 3KM, and 1.2KM Family Pair categories for runners of all ages and levels!
A 15KM trail race challenge with no cut-off times set in the woods of western Tokyo - ladies only!
Race 20KM in beautiful Nagano! Run on both trail and road along the Hijiriyama Trail with plenty of elevation.
Located in Osaka, the Osaka Yodo River Citizens Marathon offers both a full marathon and half marathon course.
Located in Mie Prefecture, the Ise Half Marathon & 5KM combines the best of Japan with an unforgettable race experience!