Method for washing sportswear items in a traditional-type rotating-drum clothes washing machine, the method comprising at least a main wash phase, a rinse phase and a final spin-extraction phase, wherein a preliminary wash phase to be performed in cold water, without any detergent addition and under reduced mechanical agitation of the clothes is carried out in advance of the main wash phase. This preliminary wash phase is followed by a soil settling step with the machine at a standstill, and a subsequent water outlet step.