Yumuk, Elvan DenizGüngörmüş, Hamdi AlperCeyhan, OnurGerçek, Sevim2026-01-242026-01-2420252717-9966https://doi.org/10.53434/gbesbd.1810087https://hdl.handle.net/20.500.12868/3404This study aims to determine the mediating role of leisure motivation in the relationship between serious leisure activities and psychological wellbeing among cyclists. The research employs a descriptive design based on a relational survey model. The sample consisted of 286 cyclists (208 male, 78 female) selected through snowball sampling. The mean age of participants was 27.51±12.41 years. Data collection instruments included the Serious Leisure Inventory and Measure-Short Form (?=0.93), Leisure Motivation Scale (?=0.78), and Psychological Wellbeing Scale (?=0.88). Mediation analysis was conducted using Hayes’ (2018) PROCESS macro Model 4 with 5000 bootstrap resampling procedures. Pearson correlation analysis revealed positive moderate significant relationships among all variables (peninfo:eu-repo/semantics/openAccessSports and RecreationSpor ve RekreasyonArticle10.53434/gbesbd.1810087304124133