© OKUSHINANO100

Okushinano 100 is a trail-running race and event brand celebrating the landscapes and trails of Okushinano, Japan. Its signature event is a 100-kilometre trail race, created to help more people enjoy the region’s trails and to support a future in which both trail running and Okushinano can thrive for generations. The 2026 race is scheduled for June 5–7.

The official website provides practical information for participants and visitors, including race details, course maps, schedules, access guidance, accommodation and tourism information, entry details, results, and frequently asked questions. It also shares event news, photographs and videos, along with information about volunteering and trail maintenance. Updates include reports on trail monitoring and race photography.

The event is run by the Okushinano 100 Organizing Committee, based at Sportheim Alp. Through its race and related resources, Okushinano 100 connects runners with the area while highlighting the care and community involvement that help keep its trails accessible and enjoyable