Pérez-González, BenitoIván Baragaño, IyánBonal, JoséLeón Quismondo, JairoFernández Luna, ÁlvaroBurillo Naranjo, Pablo2025-12-032025-12-032025Pérez-González, Iván-Baragaño, I., Bonal, J., León-Quismondo, J., Fernández-Luna, Á., & Burillo, P. (2025). Born to win? Investigating the relative age effects in the big five European women's football leagues. Frontiers in Sports and Active Living, 7, 1546913. https://doi.org/10.3389/fspor.2025.15469132624-9367https://hdl.handle.net/11268/16564This study examines the presence of the Relative Age Effects (RAEs) among players in the top five European women's football leagues during the 2023/24 season. A total of 1,634 professional players from the Women's Super League (England), Liga F (Spain), Frauen-Bundesliga (Germany), Serie A Femminile (Italy), and Division 1 Féminine (France) were analyzed. Birth date distributions were assessed to determine the prevalence of RAEs both collectively and within each league.engAttribution 4.0 Internationalhttp://creativecommons.org/licenses/by/4.0/journal article10.3389/fspor.2025.1546913open accessAtletaClubPreparación físicaGoal 3: Ensure healthy lives and promote well-being for all at all ages