The research aims to compare the effect of general and specific repeated sprint training on the development of some physical and functional abilities of young kumite players in karate, The researchers use experimental methodology with two groups design (2 experimental groups) and pre-post measurements, The research sample was chosen in Purposive method, (20) kumite juniors under 14 years registered in the Egyptian karate Federation in season 2022/2023 were divided as follows (10) juniors of general repeated sprint training group, (10) juniors of specific repeated sprint training group, The researchers add general and specific repeated sprint programs (8 weeks by two training units per week) as additional training units to the basic program for the two experimental groups, the results of this study were both general and specific repeated sprint training has a positive effect on developing some of physical and functional abilities of young kumite players in karate, and there are statistical differences between the two experimental groups in some of physical and functional abilities, The researchers recommend to use both general and specific repeated sprint training on developing some physical and functional abilities of young kumite players in karate, In addition to directing the results of this study to karate coaches to be able to benefit from its results.