Fandy Fauzan, Imanuddin Siregar and Muhammad Badrun Siregar 2025. Efforts To Improve Learning Outcomes Of 50 Metres Short Distance Running (Sprint) Through Modification Of Playing In Grade V Students Of Tunas Harapan Elementary School. Journal Physical Health Recreation (JPHR). 5, 2 (May 2025), 302-312. DOI:https://doi.org/10.55081/jphr.v5i2.3840.