Disappointment for one of Canada's medal hopefuls on Tuesday. Triathlete Simon Whitfield crashed his bike and had to withdraw from the race.

Canada's synchronized swimmers narrowly missed the podium and the women's basketball team were outmatched and eliminated by the U.S.

China's Liu Xiang had to bow out of the 110m hurdles but not before creating one of the most moving moments of the Games.

Britain had another great day at the velodrome while the U.S. women added to their success in gymnastics.

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  • Heartbreak

    Canada's Simon Whitfield is hugged by his wife, Jennie, after crashing out of the men's triathlon at the 2012 Summer Olympics, Tuesday, Aug. 7, 2012, in London. (AP Photo/Then Canadian Press, Sean Kilpatrick)

  • After The Dive

    Alexandre Despatie of Canada dives during the men's 3-meter springboard diving semifinal at the Aquatics Centre in the Olympic Park during the 2012 Summer Olympics in London, Tuesday, Aug. 7, 2012. (AP Photo/Mark J. Terrill)

  • Making The Throw

    Canada's Elizabeth Gleadle takes a throw in a women's javelin throw qualification round during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Tuesday, Aug. 7, 2012. (AP Photo/Matt Dunham)

  • Triathlon Hero

    Great Britain's Alistair Brownlee, top, is congratulated by Spain's Javier Gomez after Brownlee won the gold medal in the men's triathlon at the 2012 Summer Olympics, Tuesday, Aug. 7, 2012, in London. (AP Photo/Darron Cummings)

  • Royal Blur

    Triathletes ride by Buckingham Palace during the men's triathlon at the 2012 Summer Olympics, Tuesday, Aug. 7, 2012, in London. (AP Photo/Emilio Morenatti)

  • Fallen Hero

    China's Liu Xiang reacts after falling in a men's 110-meter hurdles heat during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Tuesday, Aug. 7, 2012. (AP Photo/Anja Niedringhaus)

  • Looking Back

    Jamaica's Usain Bolt competes in a men's 200-meter heat during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Tuesday, Aug. 7, 2012. (AP Photo/Lee Jin-man)

  • One, Two, Three

    This picture taken with a fisheye lens shows Australia's Henry Frayne participating in the men's triple jump qualifying round during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Tuesday, Aug. 7, 2012. (AP Photo/David J. Phillip)

  • In Flight

    Chinese gymnast Feng Zhe performs on the parallel bars during the artistic gymnastics men's apparatus finals at the 2012 Summer Olympics, Tuesday, Aug. 7, 2012, in London. (AP Photo/Gregory Bull)

  • Determination

    China's Liu Xiang kisses his hurdle after falling in a men's 110-meter hurdles heat during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Tuesday, Aug. 7, 2012. (AP Photo/Anja Niedringhaus)

  • Comrades In Arms

    China's Liu Xiang is helped from the track by Britain's Andrew Turner, left, and Spain's Jackson Quinonez after falling in a men's 110-meter hurdles heat during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Tuesday, Aug. 7, 2012. (AP Photo/Anja Niedringhaus)

  • Right Side Up

    Ona Carbonell Ballestero and Andrea Fuentes Fache compete during women's duet synchronized swimming final at the Aquatics Centre in the Olympic Park during the 2012 Summer Olympics in London, Tuesday, Aug. 7, 2012. Spain took the silver medal in the event. (AP Photo/Mark J. Terrill)

  • Play For The Crowd

    Canada's Marie-Pier Boudrreau Gagnon, front, and Elise Marcotte start their routine during the women's duet synchronized swimming free routine at the Aquatics Centre in the Olympic Park during the 2012 Summer Olympics in London, Monday, Aug. 6, 2012. The pair finished in fourth place. (AP) Photo/The Canadian Press, Ryan Remiorz)

  • Underwater Ballet

    Huang Xuechen and Liu Ou of China compete during women's duet synchronized swimming final at the Aquatics Centre in the Olympic Park during the 2012 Summer Olympics in London, Tuesday, Aug. 7, 2012. China won the bronze medal in the event. (AP Photo/Mark J. Terrill)

  • A Careful Balance

    U.S. gymnast Alexandra Raisman performs on the balance beam during the artistic gymnastics women's apparatus finals at the 2012 Summer Olympics, Tuesday, Aug. 7, 2012, in London. (AP Photo/Gregory Bull)

  • Captain Britain

    Britain's Chris Hoy celebrates winning the gold medal in the track cycling men's keirin, during the 2012 Summer Olympics in London, Tuesday, Aug. 7, 2012. Hoy set a British record with his sixth Olympic gold medal Sunday, defending his title in the keirin to finish off a dominating track cycling program for the home nation. (AP Photo/Christophe Ena)

  • Dressed To The Nines

    Members of the Great Britain equestrian dressage team from left, Carl Hester, Laura Bechtolsheimer, and Charlotte Dujardin celebrate after receiving their gold medal in the equestrian dressage team competition at the 2012 Summer Olympics, Tuesday, Aug. 7, 2012, in London. (AP Photo/David Goldman)

  • Oh! Canada

    Canada's Derek Drouin wraps himself in the Canada flag as he celebrates his bronze in the men's high jump finals at the Olympic Stadium during the Summer Olympics in London on Tuesday, August 7, 2012.