These games differentiated breaststroke, backstroke, and freestyle. For medley events, freestyle means any style other than backstroke, breaststroke or butterfly. At Nationals, Phelps won the 200-meter freestyle, 200-meter backstroke, and the 100-meter butterfly. In the 100-meter freestyle and the 200-meter backstroke, she placed fourth. He took part at the 100m backstroke and 100m breaststroke events. In the 200-meter backstroke, Phelps finished in 4th place in 1&colon;56.98. She swept the women's backstroke events, winning gold in both the 100-meter and 200-meter backstroke. She finished fifth in the final of the 100-meter backstroke. She placed eighth in the final of the 100-meter backstroke. He also won silver in the 200-meter backstroke. Peirsol's first gold came in the 100-meter backstroke. She advanced to the semi-finals and placed twelfth overall in the 200-meter backstroke. In the 200-meter backstroke, Beisel finished first with a time of 2&colon;08.80. She formerly held the world record in the 200-meter backstroke (long course). Baker was also selected to the 2015 World Championships roster in the 100-meter backstroke.