Swimming Day Eleven - 14th FINA World Championships

SHANGHAI, CHINA - JULY 26: Bronze medalist Natalie Coughlin of the United States poses after the Women's 100m Backstroke Final during Day Eleven of the 14th FINA World Championships at the Oriental Sports Center on July 26, 2011 in Shanghai, China. (Photo by Clive Rose/Getty Images)

2012 U.S. Olympic Swimming Team Trials - Day 2

OMAHA, NE - JUNE 26: Natalie Coughlin looks on as she prepares to compete in preliminary heat 17 of the Women's 100 m Backstroke during Day Two of the 2012 U.S. Olympic Swimming Team Trials at CenturyLink Center on June 26, 2012 in Omaha, Nebraska. (Photo by Al Bello/Getty Images)

Natalie Coughlin of the US Olympic Swimm

Natalie Coughlin of the US Olympic Swimming team poses during a photo session during the 2012 Team USA Media Summit on May 14, 2012 in Dallas,Texas.AFP PHOTO/JOE KLAMAR (Photo credit should read JOE KLAMAR/AFP/GettyImages)

2012 U.S. Olympic Swimming Team Trials - Day 2

OMAHA, NE - JUNE 26: Natalie Coughlin competes in preliminary heat 17 of the Women's 100 m Backstroke during Day Two of the 2012 U.S. Olympic Swimming Team Trials at CenturyLink Center on June 26, 2012 in Omaha, Nebraska. (Photo by Jamie Squire/Getty Images)

2012 U.S. Olympic Swimming Team Trials - Day 5

OMAHA, NE - JUNE 29: Natalie Coughlin walks off of the pool deck after she competed in preliminary heat 13 of the Women's 100 m Freestyle during Day Five of the 2012 U.S. Olympic Swimming Team Trials at CenturyLink Center on June 29, 2012 in Omaha, Nebraska. (Photo by Jamie Squire/Getty Images)

2012 Team USA Media Summit

DALLAS, TX - MAY 14: Swimmer, Natalie Coughlin, poses for a portrait during the 2012 Team USA Media Summit on May 14, 2012 in Dallas, Texas. (Photo by Ronald Martinez/Getty Images)

Santa Clara International Grand Prix - Day 2

SANTA CLARA, CA - JUNE 01: Natalie Coughlin competes in the 100 meter women's butterfly during day 2 of the Santa Clara International Grand Prix at George F. Haines International Swim Center on June 1, 2012 in Santa Clara, California. (Photo by Ezra Shaw/Getty Images)

2012 U.S. Olympic Swimming Team Trials - Day 1

OMAHA, NE - JUNE 25: (L-R) Lyndsay De Paul, Dana Vollmer and Natalie Coughlin compete in heat 17 of the Women's 100 m Butterfly during the 2012 U.S. Olympic Swimming Team Trials at CenturyLink Center on June 25, 2012 in Omaha, Nebraska. (Photo by Al Bello/Getty Images)

Swimming Day Ten - 14th FINA World Championships

SHANGHAI, CHINA - JULY 25: Aya Terakawa (R) of Japan Natalie Coughlin of the United States talk in the water after they finished swimming in heat six of the Women's 100m Backstroke heats during Day Ten of the 14th FINA World Championships at the Oriental Sports Center on July 25, 2011 in Shanghai, China. (Photo by Ezra Shaw/Getty Images)

Swimming Day Ten - 14th FINA World Championships

SHANGHAI, CHINA - JULY 25: Natalie Coughlin of the United States reacts after she swam in the second heat of the Women's 100m Backstroke semifinal during Day Ten of the 14th FINA World Championships at the Oriental Sports Center on July 25, 2011 in Shanghai, China. (Photo by Ezra Shaw/Getty Images)

Swimming Day Ten - 14th FINA World Championships

SHANGHAI, CHINA - JULY 25: Natalie Coughlin of the United States swims in the second heat of the Women's 100m Backstroke semi finals during Day Ten of the 14th FINA World Championships at the Oriental Sports Center on July 25, 2011 in Shanghai, China. (Photo by Ezra Shaw/Getty Images)

Swimming Day Fifteen - 14th FINA World Championships

SHANGHAI, CHINA - JULY 30: (L-R) Natalie Coughlin, Dana Vollmer and Rebecca Soni of the United States cheer on Melissa Franklin on the way to winning the gold medal in the Women's 4x100m Medley Relay during Day Fifteen of the 14th FINA World Championships at the Oriental Sports Center on July 30, 2011 in Shanghai, China. (Photo by Clive Rose/Getty Images)

Swimming Day Fifteen - 14th FINA World Championships

SHANGHAI, CHINA - JULY 30: (L-R) Natalie Coughlin, Rebecca Soni, Dana Vollmer and Melissa Franklin of the United States pose with their gold medals in the Women's 4x100m Medley Relay during Day Fifteen of the 14th FINA World Championships at the Oriental Sports Center on July 30, 2011 in Shanghai, China. (Photo by Clive Rose/Getty Images)

USOC Portrait Shoot

WEST HOLLYWOOD, CA - NOVEMBER 18: Swimmer Natalie Coughlin poses for a portrait during the USOC Portrait Shoot at Smashbox West Hollywood on November 18, 2011 in West Hollywood, California. (Photo by Harry How/Getty Images for USOC)

Speedo Unveils FASTSKIN 3

NEW YORK, NY - NOVEMBER 30: Natalie Coughlin speaks to the media during a press conference to debut the new Speedo FASTSKIN 3 at Skylight Studios on November 30, 2011 in New York City. (Photo by Mike Stobe/Getty Images for Speedo)

Club SI Swimsuit Hosted By PURE Nightclub At Caesars Palace

LAS VEGAS, NV - FEBRUARY 16: SI bodypaint model. swimmer Natalie Coughlin arrives at Club SI Swimsuit hosted by the Pure Nightclub at Caesars Palace at the Pure Nightclub at Caesars Palace on February 16, 2012 in Las Vegas, Nevada. (Photo by Jacob Andrzejczak/Getty Images for Sports Illustrated)

Golden Goggle Awards

NEW YORK - NOVEMBER 22: Natalie Coughlin of the U.S. National Swim Team poses for a photo on the red carpet prior to the 7th Annual Golden Goggle Awards at the Marriott Marquis on November 22, 2010 in New York City. (Photo by Mike Stobe/Getty Images)

Golden Goggle Awards

NEW YORK - NOVEMBER 22: Rebecca Soni of the U.S. National Swim Team celebrates with teammates Jessica Hardy, Natalie Coughlin and Dana Vollmer after winning Relay Performance of the Year award during the 7th Annual Golden Goggle Awards at the Marriott Marquis on November 22, 2010 in New York City. (Photo by Mike Stobe/Getty Images)

10th FINA World Swimming Championships (25m) - Day Two

DUBAI, UNITED ARAB EMIRATES - DECEMBER 16: Natalie Coughlin of USA celebrates after winning the final of the Women's 100m Backstroke during the 10th FINA World Swimming Championships (25m) at the Hamdan bin Mohammed bin Rashid Sports Complex on December 16, 2010 in Dubai, United Arab Emirates. (Photo by Shaun Botterill/Getty Images)

10th FINA World Swimming Championships (25m) - Day Two

DUBAI, UNITED ARAB EMIRATES - DECEMBER 16: Natalie Coughlin of USA poses with her Gold medal after winning the Women's 100m Backstroke final on day two of the 10th FINA World Swimming Championships (25m) at the Hamdan bin Mohammed bin Rashid Sports Complex on December 16, 2010 in Dubai, United Arab Emirates. (Photo by Clive Rose/Getty Images)

10th FINA World Swimming Championships (25m) - Day Two

DUBAI, UNITED ARAB EMIRATES - DECEMBER 16: Natalie Coughlin of USA celebrates after winning the final of the Women's 100m Backstroke during the 10th FINA World Swimming Championships (25m) at the Hamdan bin Mohammed bin Rashid Sports Complex on December 16, 2010 in Dubai, United Arab Emirates. (Photo by Shaun Botterill/Getty Images)

10th FINA World Swimming Championships (25m) - Day Four

DUBAI, UNITED ARAB EMIRATES - DECEMBER 18: Natalie Coughlin, Kathryn Hoff, Jessica Hardy and Dana Vollmer of USA (Silver) in the final of the Women's 100m Freestyle Relay during the 10th FINA World Swimming Championships (25m) at the Hamdan bin Mohammed bin Rashid Sports Complex on December 18, 2010 in Dubai, United Arab Emirates. (Photo by Shaun Botterill/Getty Images)

United States Team Press Conference Day Eight - 14th FINA World Championships

SHANGHAI, CHINA - JULY 23: Natalie Coughlin of the United States participates in a press conference on Day Eight of the 14th FINA World Championships at the Main Press Center of the Oriental Sports Center on July 23, 2011 in Shanghai, China. (Photo by Quinn Rooney/Getty Images)

United States Team Press Conference Day Eight - 14th FINA World Championships

SHANGHAI, CHINA - JULY 23: Natalie Coughlin of the United States participates in a press conference on Day Eight of the 14th FINA World Championships at the Main Press Center of the Oriental Sports Center on July 23, 2011 in Shanghai, China. (Photo by Feng Li/Getty Images)

US swimmer Natalie Coughlin competes in

US swimmer Natalie Coughlin competes in the heats of the women's 100-metre backstroke swimming event in the FINA World Championships at the indoor stadium of the Oriental Sports Center in Shanghai on July 25, 2011. AFP PHOTO / FRANCOIS XAVIER MARIT (Photo credit should read FRANCOIS XAVIER MARIT/AFP/Getty Images)

US swimmer Dara Torres (L), Natalie Coug

US swimmer Dara Torres (L), Natalie Coughlin (2nd R) Rebecca Soni (2nd L) and Christine Magnuson pose after the women's 4 x 100m medley relay swimming final medal ceremony at the National Aquatics Center during the 2008 Beijing Olympic Games in Beijing on August 17, 2008. Australia broke the world record in the women's 4x100metres medley relay with a time of three minutes 52.69 seconds in the final at the Beijing Olympics. The US team was second and China was third. AFP PHOTO / GREG WOOD (Photo credit should read GREG WOOD/AFP/Getty Images)

Women's Sports Foundation Presents The 29th Annual Women's Sports Foundation Awards Gala - Arrivals

NEW YORK - OCTOBER 14: Swimmer Natalie Coughlin attends the 29th annual Salute to Women in Sports Awards presented by the Women's Sports Foundation at The Waldorf-Astoria Hotel on October 14, 2008 in New York City. (Photo by Andrew H. Walker/Getty Images for WSF)

Stanford Cardinal v California Golden Bears

BERKELEY, CA - NOVEMBER 22: Swimmer Natalie Coughlin smiles at the California Golden Bears and Stanford Cardinal NCAA football game on November 22, 2008 at Memorial Stadium in Berkeley, California. (Photo by Jed Jacobsohn/Getty Images)

Santa Clara International Grand Prix

SANTA CLARA, CA - JUNE 12: Natalie Coughlin of the USA looks on during the XLII Santa Clara International Invitational Swim Meet on June 12, 2009 at the Santa Clara Swim Club in Santa Clara, California. (Photo by Jed Jacobsohn/Getty Images)

Olympics Day 4 - Swimming

BEIJING - AUGUST 12: Natalie Coughlin of the United States waits to receive the gold medal during the medal ceremony for the Women's 100m Backstroke held at the National Aquatics Center on Day 4 of the Beijing 2008 Olympic Games on August 12, 2008 in Beijing, China. (Photo by Clive Rose/Getty Images)