The Effect of Uphill Running And Ladder Drill Training On 50 M Sprint Running Speed of Grade VII Students At SMPN 2 Palu. COMPETITOR: Jurnal Pendidikan Kepelatihan Olahraga, [S. l.], v. 17, n. 2, p. 1617–1627, 2025. DOI: 10.26858/cjpko.v17i2.238. Disponível em: https://competitor.idjournal.eu/index.php/competitor/article/view/238. Acesso em: 24 aug. 2025.