Melissa Franklin Johnson is an American former competition swimmer and five-time Olympic gold medalist. She formerly held the world record in the 200-meter backstroke. As a member of the U.S. national swim team, she also held the world records in the 4×100-meter medley relay.
The swimming portion of the 2011 FINA World Championships was held July 24–31 at the Shanghai Oriental Sports Center in Shanghai, China. Swimming is one of five aquatic disciplines at the championships.
The American team competed at the 2011 World Aquatics Championships in Shanghai, China from July 16 to July 31. The United States topped the gold medal count in the competition with 17 golds and finished the competition with 32 total medals, behind China's 36. 16 of the 17 gold medals came from the swimming competition and one came from the open water swimming competition. Individually, Michael Phelps won the most overall medals in the competition with seven. Ryan Lochte won the most gold medals among the male competitors with five and finished the competition with six medals total.
The women's 200 metre individual medley competition of the swimming events at the 2011 World Aquatics Championships took place July 24 and 25. The heats and semifinals took place July 24 and the final was held July 25.
The women's 100 metre backstroke competition of the swimming events at the 2011 World Aquatics Championships were held on July 25 with the preliminary round and the semifinals and July 26 with the final.
The men's 100 metre backstroke competition of the swimming events at the 2011 World Aquatics Championships was held on July 25 with the preliminary round and the semifinals and July 26 with the final.
The men's 200 metre butterfly competition of the swimming events at the 2011 World Aquatics Championships was held on July 26 with the heats and the semifinals and July 27 with the final.
The women's 200 metre freestyle competition of the swimming events at the 2011 World Aquatics Championships was held on July 26 with the heats and the semifinals and July 27 with the final.
The women's 50 metre backstroke competition of the swimming events at the 2011 World Aquatics Championships took place on July 27 with the heats and the semifinals and July 28 with the final.
The women's 200 metre butterfly competition of the swimming events at the 2011 World Aquatics Championships was held on July 27 with the heats and the semifinals and July 28 with the final.
The women's 100 metre freestyle competition of the swimming events at the 2011 World Aquatics Championships was held in July 2011; the heats and the semifinals were held on 28 July and the final on 29 July.
The men's 200 metre backstroke competition of the swimming events at the 2011 World Aquatics Championships was held on July 28 with the heats and the semifinals and July 29 with the final.
The women's 200 metre breaststroke competition of the swimming events at the 2011 World Aquatics Championships was held on July 28 with the heats and the semifinals and July 29 with the final.
The men's 200 metre breaststroke competition of the swimming events at the 2011 World Aquatics Championships was held on July 28 with the heats and the semifinals and July 29 with the final.
The women's 4×200 metre freestyle relay competition of the swimming events at the 2011 World Aquatics Championships took place July 28. The heats and final were held on July 28.
The women's 50 metre butterfly competition of the swimming events at the 2011 World Aquatics Championships was held on July 29 with the heats and the semifinals and July 30 with the final.
The women's 50 metre breaststroke competition of the swimming events at the 2011 World Aquatics Championships was held on July 30 with the heats and the semifinals and July 31 with the final.
The men's 50 metre backstroke competition of the swimming events at the 2011 World Aquatics Championships was held on July 30 with the heats and the semifinals and July 31 with the final.
The women's 4 x 100 metre medley competition of the swimming events at the 2011 World Aquatics Championships was held on July 30 with the heats and the final.
