Alonso Callejo, AntonioManzano, José MaríaGarcía Unanue, Jorge FernandoGuitart Trench, MarcCarles, BertaGallardo, LeonorFelipe Hernández, José Luis2026-02-102026-02-102025Alonso-Callejo, A., Manzano, J. M., Garcia-Unanue, J., Guitart, M., Carles, B., Gallardo, L., & Felipe, J. L. (2026). Methodological insights into the acceleration–speed profile: Optimizing data analysis for reliable application in elite female and male football. International Journal of Sports Physiology and Performance, 21(1), 33-40. https://doi.org/10.1123/ijspp.2025-02921555-02651555-0273https://hdl.handle.net/11268/16810This study aimes to evaluate the reliability of the acceleration–speed profile in elite male and female football players across 3 competitive seasons. Specifically, it is assessed how the number and type of microcycles influence the reliability of theoretical maximal acceleration (A0) and speed (S0).engFútbolRendimiento atléticoFisiologíajournal article10.1123/ijspp.2025-0292embargoed accessDeporteAtletaInvestigación médicaGoal 3: Ensure healthy lives and promote well-being for all at all ages