Backyard Ultra Last Samurai Standing 2023 北海道

Backyard Ultra Last Samurai Standing 2023 新潟

Backyard Ultra Last Samurai Standing 2023 京都

Backyard Ultra Last Samurai Standing 2023 東京

Backyard Ultra Last Samurai Standing 2023 群馬

Backyard Ultra Last Samurai Standing 2023 福島

Backyard Ultra Last Samurai Standing 2023 島根

Backyard Ultra 12 hours

2022 Satellite National Championships

Backyard Ultra Last Samurai Standing 2022 東京