Issue addressed: An important strategy for increasing children's physical activity is to enhance children's opportunities for school recess physical activities, yet little isknown about the influence of school recess physical activitieson children's health-related quality of life (HRQOL). The purpose of the present study was to explore the relationship between Australian primary school children's enjoyment of recess physical activities and HRQOL. Methods: The study consisted of children at two Australian primary schools (n = 105) aged 8-12 years. The Lunchtime Enjoyment Activity and Play questionnaire was used to measure school children's enjoyment of school recess physical activities. The Pediatric Quality of Life Inventory 4.0 was used to measure children's HRQOL. Researchers applied linear regression modelling in STATA (ver. 13.0) to investigate the relationship between children's enjoyment of school recess physical activities and HRQOL. Results: It was discovered that primary school children's enjoyment of more vigorous-type school recess physical activities and playing in a range of weather conditions was associated with children's improved HRQOL. Conclusion: The findings from this study suggest that health providers and researchers should consider providing primary school children with opportunities and facilities for more vigorous-intensity school recess physical activities as a key strategy to enhance children's HRQOL. So what? Considering a social-ecological model framework of the key predictors of children's enjoyment of school recess physical activities may provide valuable insight for school health providers into the multiple levels of influence on children's HRQOL when developing school settings and activities for school recess.