Nobeyama Ultramarathon

The Nobeyama Ultramarathon, officially the Hoshi no Sato Yatsugatake Nobeyama Highland 100km Ultramarathon, is a legendary high altitude road ultra in Nobeyama, Minamimaki Village (Nagano Prefecture), Japan, known for its tough profile and crisp mountain air. It is hosted by the Hoshi no Sato Yatsugatake Nobeyama Highland 100km Ultramarathon Executive Committee, made up of local municipalities including Minamimaki Village, Koumi Town, Kitaaiki Village, Minaaiki Village, and Kawakami Village.