香川が誇る讃岐山脈を舞台に、1周約40km、累積標高 約2,800mのマッドネスなコースで開催するトレイルランニングレース。
in the Sanuki Mountains, which is the pride of Kagawa Prefecture, this trail running race will be held on a hard course with one laps of approximately 40 km and cumulative elevation of approximately 2,800 m.