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The purpose of this study were to identify how significant the effect of high intensity bodyweight training to physical fitness, body mass index and body fat percentage of mastergym member fitness Yogyakarta. This study applied pre-experimental design with one-group pretest-posttest design. The population in this study was all members aged between 19-25 years old, active for minimally 2 months, and willing to participate in the training for 16 sessions. The Sample in this study was chosen by random sampling and obtained 10 people. The data was collected through test and measurement. The instruments used were rockport test, stadiometer, scale and scinfold caliper. The data were analyzed using t-test. The study result identified that t-test of VO2Max data figured out t count value of 3.000 > t table of 2.262, and p value of 0,015 < 0,05, which described a significant raise of Vo2Max. The result of t test of IMT figured out t count value of 6.957 > t table of 2.262, and p value of 0,000 < 0,05 which described a significant body weight loss. The result of t test of body fat figured out t count value of 9.221 > t table of 2.262, and p value of 0,000 < 0,05 which described a significant body fat loss.