The aim of this study is to analyse the participation motivation for extracurricular activities; study on primary school students. It also analysed whether such factors as age and sex change on the basis of their participation motivation. The population of the study is composed of 797 students in primary school and, the sample is composed of 513 students. Students participating in the extracurricular activities were included in an activity each month. Implementations continued for seven months. The activities were implemented, "Participation Motivation Scale," as a data collection tool, was applied to the students. As a result, it was determined that male and female students attending to the activities deemed "skill development" as the most important factor. There was statistically significant difference between female and male students such sub-dimensions as "fun," "success/status," and "movement/being active" in the study. The positive impacts of participation will, enthusiasm and excitements and also the students' physical, psychological and social developments were observed.