The problem in this study is the weak endurance of fighters at persinas ASAD college Pondok Pesantren Luhur Miftahul Huda Pekanbaru. The title of this research is "The Influence of Running Exercises Up and Down the Stairs On The Endurance of Fighters At Persinas ASAD College Pondok Pesantren Luhur Miftahul Huda Pekanbaru". So that the future goal of the Fighters can show even better performance…