Congratulations to Margarita Mamun, winner of the rhythmic gymnastics individual all-around competition at the 2016 Summer Olympics 2016-08-21 18:10:00 Vladimir Putin sent a message of congratulations to Margarita Mamun, Olympic champion and winner of the rhythmic gymnastics individual all-around competition at the 2016 Summer Olympics in Rio de Janeiro, Brazil. The message reads, in part: “Thanks to your talent, mastery and many years of training with experienced coaches, you have achieved a true triumph and have befittingly continued the best traditions of our rhythmic gymnastics masters. I wish you good health, good luck and, of course, new sports victories under the colours of the Russian flag.”