The results of the analysis of elite world and European synchronized swimming female athletes' performances in free routine (solo) have been presented. Comparative analysis of executing single elements and free routine on the whole has been made. Several elements constituting competitive composition structure of elite female athletes have been identified. «SynchroTest» method has been developed for the assessment of free routine providing objective and informative estimation of free routine and including evaluation of temporal and quantitative parameters of competitive routine. This method may be recommended for sports events with complex coordinated structure of motions.