Synchronised Swimming Maria Lenk Aquatics Centre Aug 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 London Olympics duet gold medallists Svetlana Romashina and Natalia Ishchenko (RUS) Competition area Start platform Events Swimmers perform one technical routine (based on list of compulsory moves)and one free routine in both duet and team events (eight swimmers per team) Pool: Depth 3m. Fitted with speakers so swimmers can keep time with music while underwater 20m 30m Scoring Three panels of five judges assess technical and artistic abilities. Highest and lowest marks are discarded and remainder added together to give final score for routine Judges BASIC POSITIONS Ballet leg Ballet leg double Flamingo Vertical Crane Fishtail Tuck Front pike Back pike Dolphin arch Surface arch Bent knee Tub Split Knight Side fishtail Sources: Rio 2016, Olympic.org, FINA Pictures: AP, Getty Images