Akagi Forest Trail Race
Located in Gunma, the Akagi Forest Trail Race offers a cross-country-style 30KM and 15KM course.
Running Events supported by Samurai Sports
2022 Eco Marathon Series
Marathon to 10K from Kansai to Kanto! The Eco Marathon series of road races emphasize sustainability and charity.
Shinshu Tenku Trail Race
Race 20KM in beautiful Nagano! Run on both trail and road along the Hijiriyama Trail with plenty of elevation.
Osaka Yodo River Citizens Marathon & Half Marathon
Located in Osaka, the Osaka Yodo River Citizens Marathon offers both a full marathon and half marathon course.
Ise Half Marathon & 5KM (Oise-san Marathon)
Located in Mie Prefecture, the Ise Half Marathon & 5KM combines the best of Japan with an unforgettable race experience!
Tamagawa Genryu Trail Race
Located near the Kosuge Hot Spring in Yamanashi Prefecture, the Tamagawa Genryu Trail Race offers a 20KM course.
Gassan Ryujin (Half) Marathon
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!
Tokyo Women’s Trail Race
A 15KM trail race challenge with no cut-off times set in the woods of western Tokyo - ladies only!
Mt. Mitake Trail Race
Located in Ome, right outside of Tokyo, the Mt. Mitake Trail Race offers a challenging 13km course.
Hachimine Mountain Trail Race
With nearly 30KM and 1,200 meters of elevation gain, this perennial year-end race is not for the faint of heart!