2021 will be the first year backyard to be held in Kyoto prefecture.
Set in the natural grass cross country course of the Sanbe Nishihara, Ooyama National Park, located in the center of Shimane.
Located altitude is 450m, the maximum temperature is 12 ℃, the minimum temperature is 2 ℃, and you can feel the next season to come when you visit the grassland in late autumn.

This race is one of the BULSS (Back Yard Ultra Last Samurai Standing) races to be held in Japan.
We plan to organize all 47 prefectures in Japan to have prefecture (State) championships in the future.
This year (2021) we plan to organize in 5 prefectures and this is one of them.