This study was conducted with the aim to determine differences in motor skillsof boys of the age from 10 to 13, divided into groups: Footballers, Karate players and Nonathletesfrom the area of city of East Sarajevo. The study included athletes from Football club“Tango”, athletes from Karate club “Igman” and pupils from “Sveti Sava” primary school,“Petar Petrović Njegoš” primary school, “Aleksa Šantić” primary school and “Jovan Dučić”primary school. Total sample of participants was 84 boys. The sample was divided into threegroups:1. Footballers (24 boys from FC “Tango”)2. Karate players (23 boys from KC “Igman”) and3. Non-athletes (37 boys included only in teaching of physical education).Boys athletes (Footballers and Karate players) were included in sport activity at least for4 years. After statistical data processing, the results of the study showed that there arestatistically significant differences in motor skills between the participants.