Fatima Imad Jasim and Iman Sabeeh Hussien 2023. The contribution percentage of the first (20) meters and the last (20) meters in the performance of elite sprinters in the (100, 200, 400) meter races. Modern Sport. 22, 3 (Sep. 2023), 0065–0075. DOI:https://doi.org/10.54702/ms.v22i3.1136.