Yuliya Efimova is a Russian swimmer who won an Olympic bronze medal in 2012. She first found success as a teenager in 2007, winning gold in the 50m and 200m breaststroke at the European Junior Championships. Efimova has since won numerous medals at the World Championships and Universiade, including gold medals in the 200m and 50m breaststroke and setting a Universiade record in the 100m breaststroke. She is considered one of the best breaststroke swimmers competing across all distances.