Basketball requires a good physical fitness condition. a good physical fitness needs an adequate exercise program. one of the popular exercise program is fartlek method. The purpose of this study is to know the effect of fartlek method that have had done for eight weeks (twice in a week) towards the VO2max of SMP Kristen Satya Wacana’s male basketball extracurricular. https://jalyttlers.shop/product-category/dinner-set/