The Duet routine competition at the 2022 South American Games was held on 7 and 8 October 2022.
Results The Technical Routine was started on 7 October. The Free Routine was held on 8 October.
RankNationSwimmersTotalTechnical RoutineFree RoutinePointsRankPointsRankPointsRank Jullia SoaresLaura Miccuci 158.5894 1 77.9227 1 80.6667 1 Estefanía RoaMelisa Ceballos 154.9484 2 75.7817 2 79.1667 2 Soledad GarcíaTrinidad García 151.2995 3 73.7662 3 77.5333 3 4 Camila PinedaLuisina Caussi 147.1990 4 72.2990 4 74.9000 4 5 Agustina MedinaClara De León 146.2301 5 72.1301 5 74.1000 5 6 Camila FernándezMaría José Ccoyllo 141.3571 6 69.4904 6 71.8667 6 7 Albany AvilaMelissa Ceballos 139.4210 7 67.8210 7 71.6000 7
References