Kayla Harrison makes judo history

Kayla Harrison's goal was simple: Win a world championship and an Olympic gold medal. She got the first in 2010 to become the first U.S. woman in 46 years to capture a judo

world championship. Now she has achieved Olympic glory and become the first American to win gold in judo. -- By Paul Martella

Olympics Day 6 - Judo

Kayla Harrison of the United States (white) and Gemma Gibbons of Great Britain compete in the Women's -78 kg Judo on Day 6 of the London 2012 Olympic Games at ExCeL on August 2, 2012 in London, England. (Photo by Laurence Griffiths/Getty Images)

Olympics Day 6 - Judo

Gold medalist Kayla Harrison of the United States in the Women's -78 kg Judo on Day 6 of the London 2012 Olympic Games at ExCeL on August 2, 2012 in London, England. (Photo by Laurence Griffiths/Getty Images)

Olympics Day 6 - Judo

Kayla Harrison of the United States (white) and Gemma Gibbons of Great Britain compete in the Women's -78 kg Judo on Day 6 of the London 2012 Olympic Games at ExCeL on August 2, 2012 in London, England. (Photo by Laurence Griffiths/Getty Images)

Olympics Day 6 - Judo

Kayla Harrison of the United States (white) and Gemma Gibbons of Great Britain compete in the Women's -78 kg Judo on Day 6 of the London 2012 Olympic Games at ExCeL on August 2, 2012 in London, England. (Photo by Laurence Griffiths/Getty Images)

Olympics Day 6 - Judo

Gold medalist Kayla Harrison of the United States in the Women's -78 kg Judo on Day 6 of the London 2012 Olympic Games at ExCeL on August 2, 2012 in London, England. (Photo by Laurence Griffiths/Getty Images)

2012 Team USA Media Summit

Judo athlete, Kayla Harrison poses for a portrait during the 2012 Team USA Media Summit on May 13, 2012 in Dallas, Texas. (Photo by Ronald Martinez/Getty Images)

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Kayla Harrison of the US Judo Olympic team poses for pictures during the 2012 Team USA Media Summit on May 13, 2012 in Dallas,Texas.AFP PHOTO/JOE KLAMARJOE KLAMAR/AFP/GettyImages

Kayla Harrison

Kayla Harrison of the U.S. (blue) battles Catherine Roberge of Canada to win the gold medal in the women's -78kg judo contest at the Pan American Games in Guadalajara October 27,2011. REUTERS/Mariana Bazo (MEXICO - Tags: SPORT JUDO)

Kayla Harrison

2010 world champion Kayla Harrison (L) is thrown onto the mat by 2008 Olympian Travis Stevens (R) during a judo demonstration at the U.S. Olympic Committee Media Summit in Dallas, Texas May 13, 2012. REUTERS/Tim Sharp (UNITED STATES - Tags: SPORT OLYMPICS JUDO)

Kayla Harrison

Kayla Harrison of the U.S. reacts after winning her under 78kg women's bronze medal bout against Marhinde Verkerk of the Netherlands at the World Judo Championships in Paris August 26, 2011. REUTERS/Yves Herman (FRANCE - Tags: SPORT JUDO)

Kayla Harrison, Mayra Aguiar

U.S. judoka Kayla Harrison, right, throws Brazil's Mayra Aguiar during the women's under 78 kg category final of the World Judo Championships in Tokyo Thursday, Sept. 9, 2010. Harrison won the bout and became the first American woman to win a gold medal at the judo world championships since 1984. (AP Photo/Junji Kurokawa)

Kayla Harrison, Yelennis Castillo

United States' Kayla Harrison fights with Cuba's Yelennis Castillo, dressing a blue kimono, in their women's -78kg category semifinal match during the World Cup of Judo in Sao Paulo, Sunday, May 30, 2010. (AP Photo/Nelson Antoine)

Kayla Harrison

Gold medalist Kayla Harrison, of the United States, smiles in the podium of the women's -78kg of the judo competition at the Pan American Games in Guadalajara, Mexico, Thursday Oct. 27, 2011. (AP Photo/Javier Galeano)

Celine Lebrun, Kayla Harrison

France's judoka Celine Lebrun, left, fights against Kayla Harrison of Wakefield, Mass. of the United States during the women's -78 kilogram category of the World Judo Championships in Tokyo Thursday, Sept. 9, 2010. (AP Photo/Junji Kurokawa)

Kayala Harrison

Kayla Harrison of the United States reacts after she won the women's under 78 Kg category final of the World Judo Championships against Mayra Aguiar of Brazil in Tokyo Thursday, Sept. 9, 2010. Harrison became the first American woman to win a gold medal at the judo world championships since 1984. (AP Photo/Shizuo Kambayashi)

Kayla Harrison

Kayla Harrison of the United States reacts in the awarding ceremony of the women's under 78 Kg category of the World Judo Championships in Tokyo, Thursday, Sept. 9, 2010. Harrison became the first American woman to win a gold medal at the judo world championships since 1984. (AP Photo/Shizuo Kambayashi)

Kayla Harrison

Kayla Harrison of U.S.A, blue jersey, fights with Marhinde Verkerk of Netherlands, during their women's under 78 kg category third place match at the World Judo Championships in Paris Friday, Aug. 26, 2011. Kayla Harrison won bronze. (Photo/Markus Schreiber)

Kayla Harrison

DALLAS, TX - MAY 13: Judo athlete, Kayla Harrison poses for a portrait during the 2012 Team USA Media Summit on May 13, 2012 in Dallas, Texas. (Photo by Ronald Martinez/Getty Images)

Kayla Harrison (blue jersey) of the US holds Mayra Aguiar (white jersey) of Brazil during their women's over 78kg class semi-final match in the Judo Grand Slam tournament in Tokyo on December 11, 2011. Harrison defeated Aguiar. AFP PHOTO/Toru YAMANAKA (Photo credit should read TORU YAMANAKA/AFP/Getty Images)