This study aims to find out the Effect of Interval Training Training on the Endurance of Women's Volleyball Athletes Club Gesimpo In Pasaman Barat. This research was conducted at Club Gesimpo Volleyball Court, Aua Kuniang, Pasaman ,Pasaman barat . Held in May-July 2021. The study used the one-group preetest-posttest design method. The population in this study was 8 people consisting of a group …