Swimmer Elizabeth Beisel poses for a portrait at the U.S. Olympic Committee Media Summit in Beverly Hills, Los Angeles, California March 8, 2016. "Right now I love the song called "Condfident" by Demi Lovato; it's empowering and inspiring before I work out," said Beisel. REUTERS/Lucy Nicholson

Swimmer Elizabeth Beisel poses for a portrait at the U.S. Olympic Committee Media Summit in Beverly Hills, Los Angeles, California March 8, 2016. "Right now I love the song called "Confident" by Demi Lovato; it's empowering and inspiring before I work out," said Beisel. REUTERS/Lucy Nicholson

Elizabeth Beisel of the U.S. adjusts her cap following the women's 400m individual medley heats at the Aquatics World Championships in Kazan, Russia August 9, 2015. REUTERS/Hannibal Hanschke

Gold medallist Katinka Hosszu (C) of Hungary poses with other medallists at the women's 400m individual medley victory ceremony during the World Swimming Championships at the Sant Jordi arena in Barcelona August 4, 2013. Spain's Mireia Belmonte Garcia (L) finished second in the event and took the silver medal, while Elizabeth Beisel of the U.S. finished third and took the bronze. REUTERS/Albert Gea (SPAIN - Tags: SPORT SWIMMING)

Bronze medalist Elizabeth Beisel of the U.S. poses with her medal at the women's 400m medley victory ceremony during the World Swimming Championships at the Sant Jordi arena in Barcelona August 4, 2013. REUTERS/Michael Dalder (SPAIN - Tags: SPORT SWIMMING HEADSHOT)

Elizabeth Beisel of the U.S. poses with her bronze medal at the women's 400m individual medley victory ceremony during the World Swimming Championships at the Sant Jordi arena in Barcelona August 4, 2013. REUTERS/Albert Gea (SPAIN - Tags: SPORT SWIMMING HEADSHOT)

Gold medalist Hungary's Katinka Hosszu (C) poses with silver medalist Spain's Mireia Belmonte (L) and bronze medalist Elizabeth Beisel of the U.S. at the women's 400m medley victory ceremony during the World Swimming Championships at the Sant Jordi arena in Barcelona August 4, 2013. REUTERS/Michael Dalder (SPAIN - Tags: SPORT SWIMMING)

Elizabeth Beisel of the U.S. smiles after her women's 400m individual medley heats during the World Swimming Championships at the Sant Jordi arena in Barcelona August 4, 2013. REUTERS/Gustau Nacarino (SPAIN - Tags: SPORT SWIMMING)

Elizabeth Beisel of the U.S. swims in the women's 400m individual medley heats during the World Swimming Championships at the Sant Jordi arena in Barcelona August 4, 2013. REUTERS/Gustau Nacarino (SPAIN - Tags: SPORT SWIMMING)

Elizabeth Beisel of the U.S. swims in the women's 400m individual medley heats during the World Swimming Championships at the Sant Jordi arena in Barcelona August 4, 2013. REUTERS/Gustau Nacarino (SPAIN - Tags: SPORT SWIMMING)

Elizabeth Beisel of the U.S. swims in the women's 400m individual medley heats during the World Swimming Championships at the Sant Jordi arena in Barcelona August 4, 2013. REUTERS/Albert Gea (SPAIN - Tags: SPORT SWIMMING)

Elizabeth Beisel of the U.S. swims in the women's 400m individual medley heats during the World Swimming Championships at the Sant Jordi arena in Barcelona August 4, 2013. REUTERS/Albert Gea (SPAIN - Tags: SPORT SWIMMING)

Elizabeth Beisel of the U.S. swims in the women's 400m individual medley heats during the World Swimming Championships at the Sant Jordi arena in Barcelona August 4, 2013. REUTERS/Michael Dalder (SPAIN - Tags: SPORT SWIMMING)

Elizabeth Beisel of the U.S. competes in the women's 200m individual medley semi-final during the World Swimming Championships at the Sant Jordi arena in Barcelona July 28, 2013. REUTERS/Albert Gea (SPAIN - Tags: SPORT SWIMMING)

Elizabeth Beisel of the U.S. competes in the women's 200m individual medley semi-final during the World Swimming Championships at the Sant Jordi arena in Barcelona July 28, 2013. REUTERS/Albert Gea (SPAIN - Tags: SPORT SWIMMING)

Elizabeth Beisel of the U.S. poses with her bronze medal at the women's 200m backstroke victory ceremony during the London 2012 Olympic Games at the Aquatics Centre August 3, 2012. REUTERS/Michael Dalder (BRITAIN - Tags: SPORT SWIMMING OLYMPICS)

Missy Franklin (C) of the U.S. celebrates with her gold medal with team mate bronze medallist Elizabeth Beisel and silver medallist Russia's Anastasia Zueva (R) during the women's 200m backstroke victory ceremony at the London 2012 Olympic Games at the Aquatics Centre August 3, 2012. REUTERS/Toby Melville (BRITAIN - Tags: SPORT OLYMPICS SPORT SWIMMING)

Gold medallist Missy Franklin (C) of the U.S., who set a new world record, poses with bronze medallist compatriot Elizabeth Beisel and silver medallist Russia's Anastasia Zueva (L) at the women's 200m backstroke victory ceremony during the London 2012 Olympic Games at the Aquatics Centre August 3, 2012. REUTERS/Jorge Silva (BRITAIN - Tags: SPORT OLYMPICS SPORT SWIMMING)

Gold medallist Missy Franklin (C) of the U.S., who set a new world record, poses with bronze medallist compatriot Elizabeth Beisel and silver medallist Russia's Anastasia Zueva (L) at the women's 200m backstroke victory ceremony during the London 2012 Olympic Games at the Aquatics Centre August 3, 2012. REUTERS/Jorge Silva (BRITAIN - Tags: SPORT OLYMPICS SPORT SWIMMING)

Gold medallist Missy Franklin (C) of the U.S., who set a new world record, is hugged by bronze medallist compatriot Elizabeth Beisel as silver medallist Russia's Anastasia Zueva (L) looks on at the women's 200m backstroke victory ceremony during the London 2012 Olympic Games at the Aquatics Centre August 3, 2012. REUTERS/Jorge Silva (BRITAIN - Tags: SPORT OLYMPICS SPORT SWIMMING TPX IMAGES OF THE DAY)

Gold medallist Missy Franklin (L) of the U.S., who set a new world record, hugs bronze medallist compatriot Elizabeth Beisel at the women's 200m backstroke victory ceremony during the London 2012 Olympic Games at the Aquatics Centre August 3, 2012. REUTERS/Jorge Silva (BRITAIN - Tags: SPORT OLYMPICS SPORT SWIMMING)

Bronze medallist Elizabeth Beisel of the U.S. poses at the women's 200m backstroke victory ceremony during the London 2012 Olympic Games at the Aquatics Centre August 3, 2012. REUTERS/Jorge Silva (BRITAIN - Tags: SPORT OLYMPICS SPORT SWIMMING)

Winner Missy Franklin (L) of the U.S., who set a world record, receives congratulations from third-placed compatriot Elizabeth Beisel after the women's 200m backstroke final during the London 2012 Olympic Games at the Aquatics Centre August 3, 2012. REUTERS/Toby Melville (BRITAIN - Tags: SPORT OLYMPICS SPORT SWIMMING)

Winner Missy Franklin (2nd L) of the U.S., who set a world record, receives congratulations from another swimmer in the race, as second-placed Russia's Anastasia Zueva (2nd R) embraces third-placed Elizabeth Beisel of the U.S. after the women's 200m backstroke final during the London 2012 Olympic Games at the Aquatics Centre August 3, 2012. REUTERS/Gary Hershorn (BRITAIN - Tags: SPORT OLYMPICS SPORT SWIMMING)

Winner Missy Franklin (L) of the U.S., who set a world record, receives congratulations from third-placed compatriot Elizabeth Beisel after the women's 200m backstroke final during the London 2012 Olympic Games at the Aquatics Centre August 3, 2012. REUTERS/Jorge Silva (BRITAIN - Tags: SPORT OLYMPICS SPORT SWIMMING)

Winner Missy Franklin (L) of the U.S., who set a world record, speaks with third-placed compatriot Elizabeth Beisel after the women's 200m backstroke final during the London 2012 Olympic Games at the Aquatics Centre August 3, 2012. REUTERS/Michael Dalder (BRITAIN - Tags: SPORT OLYMPICS SPORT SWIMMING)

Winner Missy Franklin of the U.S., who set a world record, receives congratulations from third-placed compatriot Elizabeth Beisel after the women's 200m backstroke final during the London 2012 Olympic Games at the Aquatics Centre August 3, 2012. REUTERS/Michael Dalder (BRITAIN - Tags: SPORT OLYMPICS SPORT SWIMMING)

Missy Franklin (L) of the U.S. celebrates with team mate Elizabeth Beisel after they took gold and bronze in the women's 200m backstroke final during the London 2012 Olympic Games at the Aquatics Centre August 3, 2012. REUTERS/Gary Hershorn (BRITAIN - Tags: SPORT OLYMPICS SPORT SWIMMING)

Missy Franklin (L) of the U.S. celebrates with team mate Elizabeth Beisel after they took gold and bronze in the women's 200m backstroke final during the London 2012 Olympic Games at the Aquatics Centre August 3, 2012. REUTERS/Gary Hershorn (BRITAIN - Tags: SPORT OLYMPICS SPORT SWIMMING)

Missy Franklin (L) of the U.S. celebrates with team mate Elizabeth Beisel after they took gold and bronze in the women's 200m backstroke final during the London 2012 Olympic Games at the Aquatics Centre August 3, 2012. REUTERS/Gary Hershorn (BRITAIN - Tags: SPORT OLYMPICS SPORT SWIMMING)

Elizabeth Beisel of the U.S. waves after placing first in her women's 200m backstroke semi-final during the London 2012 Olympic Games at the Aquatics Centre August 2, 2012. REUTERS/Michael Dalder (BRITAIN - Tags: OLYMPICS SPORT SWIMMING)

Elizabeth Beisel of the U.S. swims to a first place finish in her women's 200m backstroke semi-final during the London 2012 Olympic Games at the Aquatics Centre August 2, 2012. REUTERS/Jorge Silva (BRITAIN - Tags: OLYMPICS SPORT SWIMMING)

Elizabeth Beisel of the U.S. reacts after placing first in her women's 200m backstroke semi-final during the London 2012 Olympic Games at the Aquatics Centre August 2, 2012. REUTERS/Tim Wimborne (BRITAIN - Tags: OLYMPICS SPORT SWIMMING)

Elizabeth Beisel of the U.S. starts her women's 200m backstroke semi-final during the London 2012 Olympic Games at the Aquatics Centre August 2, 2012. REUTERS/Toby Melville (BRITAIN - Tags: OLYMPICS SPORT SWIMMING)

Elizabeth Beisel of the U.S. waves after placing first in her women's 200m backstroke semi-final during the London 2012 Olympic Games at the Aquatics Centre August 2, 2012. REUTERS/Toby Melville (BRITAIN - Tags: OLYMPICS SPORT SWIMMING)

Elizabeth Beisel of the U.S. swims in her women's 200m backstroke semi-final during the London 2012 Olympic Games at the Aquatics Centre August 2, 2012. REUTERS/David Gray (BRITAIN - Tags: OLYMPICS SPORT SWIMMING)

Elizabeth Beisel of the U.S. spits water after her first place finish in heat 3 of the women's 200m backstroke event during the London 2012 Olympic Games at the Aquatics Centre August 2, 2012. REUTERS/Tim Wimborne (BRITAIN - Tags: SPORT SWIMMING OLYMPICS)

Russia's Anastasia Zueva, Elizabeth Beisel of the U.S., France's Alexianne Castel and China's Bai Anqi (front-back) start their women's 200m backstroke heat during the London 2012 Olympic Games at the Aquatics Centre August 2, 2012. REUTERS/Toby Melville (BRITAIN - Tags: OLYMPICS SPORT SWIMMING)

(From L to R) France's Alexianne Castel, Elizabeth Beisel of the U.S., Russia's Anastasia Zueva and Canada's Sinead Russell are seen underwater as they swim in the women's 200m backstroke heats during the London 2012 Olympic Games at the Aquatics Centre August 2, 2012. REUTERS/Michael Dalder (BRITAIN - Tags: SPORT SWIMMING OLYMPICS)

Elizabeth Beisel of the U.S. poses with her silver medal during the women's 400m individual medley victory ceremony at the London 2012 Olympic Games at the Aquatics Centre July 28, 2012. REUTERS/Michael Dalder (BRITAIN - Tags: SPORT SWIMMING SPORT OLYMPICS)

China's Ye Shiwen (R), with her gold medal, smiles with silver medal winner Elizabeth Beisel of the U.S. during the women's 400m individual medley victory ceremony at the London 2012 Olympic Games at the Aquatics Centre July 28, 2012. Ye smashed the world record to win the gold medal on Saturday with a time of four minutes 28.43 seconds. REUTERS/David Gray (BRITAIN - Tags: SPORT OLYMPICS SPORT SWIMMING)

Elizabeth Beisel (L) of the U.S. and China's Ye Shiwen and Ye's compatriot Li Xuanxu stand with their silver, gold and bronze medals for the women's 400m individual medley during the London 2012 Olympic Games at the Aquatics Centre July 28, 2012. REUTERS/David Gray (BRITAIN - Tags: SPORT OLYMPICS SPORT SWIMMING)

China's Ye Shiwen (C) holds her gold medal next to silver medallist Elizabeth Beisel of the U.S. (R) and bronze medallist Li Xuanxu of China during the women's 400m individual medley victory ceremony at the London 2012 Olympic Games at the Aquatics Centre July 28, 2012. REUTERS/Toby Melville (BRITAIN - Tags: SPORT OLYMPICS SPORT SWIMMING)

China's Ye Shiwen (L) is congratuled on her first place finish in the women's 400m individual medley final by second place finisher Elizabeth Beisel of the U.S. during the London 2012 Olympic Games at the Aquatics Centre July 28, 2012. REUTERS/David Gray (BRITAIN - Tags: SPORT OLYMPICS SPORT SWIMMING)

Elizabeth Beisel of the U.S. starts the women's 400m individual medley final during the London 2012 Olympic Games at the Aquatics Centre July 28, 2012. REUTERS/David Gray (BRITAIN - Tags: SPORT OLYMPICS SWIMMING)

Elizabeth Beisel of the U.S. swims during the women's 400m individual medley heats at the London 2012 Olympic Games at the Aquatics Centre July 28, 2012. REUTERS/Tim Wimborne (BRITAIN - Tags: SPORT OLYMPICS SPORT SWIMMING)

Elizabeth Beisel of the U.S. swims during the women's 400m individual medley heats at the London 2012 Olympic Games at the Aquatics Centre July 28, 2012. REUTERS/Tim Wimborne (BRITAIN - Tags: SPORT OLYMPICS SPORT SWIMMING)

Elizabeth Beisel of the U.S. swims during the women's 400m individual medley heats at the London 2012 Olympic Games at the Aquatics Centre July 28, 2012. REUTERS/David Gray (BRITAIN - Tags: SPORT OLYMPICS SPORT SWIMMING)

Elizabeth Beisel of the U.S. swims during the women's 400m individual medley heats at the London 2012 Olympic Games at the Aquatics Centre July 28, 2012. REUTERS/David Gray (BRITAIN - Tags: SPORT OLYMPICS SPORT SWIMMING)

Elizabeth Beisel of the U.S. swims during the women's 400m individual medley heats at the London 2012 Olympic Games at the Aquatics Centre July 28, 2012. REUTERS/David Gray (BRITAIN - Tags: SPORT OLYMPICS SPORT SWIMMING)

Elizabeth Beisel of the U.S. swims during the women's 400m individual medley heats at the London 2012 Olympic Games at the Aquatics Centre July 28, 2012. REUTERS/Toby Melville (BRITAIN - Tags: SPORT OLYMPICS SPORT SWIMMING)

Ryan Lochte (L) and Elizabeth Beisel take part in a training session of the U.S. swimming team at the main pool of the Aquatics Centre before the start of the London 2012 Olympic Games in London July 24, 2012. REUTERS/David Gray (BRITAIN - Tags: OLYMPICS SPORT SWIMMING)

Ryan Lochte (L) and Elizabeth Beisel take part in a training session of the U.S. swimming team at the main pool of the Aquatics Centre before the start of the London 2012 Olympic Games in London July 24, 2012. REUTERS/David Gray (BRITAIN - Tags: OLYMPICS SPORT SWIMMING)

Elizabeth Beisel waves before the medal ceremony for the women's 200m backstroke during the U.S. Olympic swimming trials in Omaha, Nebraska, July 1, 2012. REUTERS/Jeff Haynes (UNITED STATES - Tags: SPORT SWIMMING SPORT OLYMPICS)

Elizabeth Beisel swims in her women's 200m backstroke heat during the U.S. Olympic swimming trials in Omaha, Nebraska, June 30, 2012. REUTERS/Jeff Haynes (UNITED STATES - Tags: SPORT SWIMMING SPORT OLYMPICS)

Elizabeth Beisel swims in the women's 200m individual medley semifinal during the U.S. Olympic swimming trials in Omaha, Nebraska, June 27, 2012. REUTERS/Jeff Haynes (UNITED STATES - Tags: SPORT SWIMMING SPORT OLYMPICS)

Elizabeth Beisel swims in the women's 200m individual medley semifinal during the U.S. Olympic swimming trials in Omaha, Nebraska, June 27, 2012. REUTERS/Jeff Haynes (UNITED STATES - Tags: SPORT SWIMMING SPORT OLYMPICS)

Elizabeth Beisel swims in the women's 200m individual medley semifinal during the U.S. Olympic swimming trials in Omaha, Nebraska, June 27, 2012. REUTERS/Jeff Haynes (UNITED STATES - Tags: SPORT SWIMMING SPORT OLYMPICS)

Elizabeth Beisel reacts to the fans after winning the women's 400m individual medley final during the U.S. Olympic swimming trials in Omaha, Nebraska, June 25, 2012. REUTERS/Jeff Haynes (UNITED STATES - Tags: SPORT SWIMMING)

Elizabeth Beisel (L) reacts after winning the women's 400m individual medley final with second place finisher Caitlin Leverenz during the U.S. Olympic swimming trials in Omaha, Nebraska, June 25, 2012. REUTERS/Jeff Haynes (UNITED STATES - Tags: SPORT SWIMMING)