Relative age of youth swimmers and their sporting performance at the end of the season - Mendoza-Castejón, D.; Trinidad, A.; De la Calle, L. M.; Belando-Pedreño, N. (PLOS ONE, 2025)
Keywords: junior elite sport; swimming; relative age effect; development; performance; physique; age; performance development; competition period; USA; junior sports; endurance sports