Olympics Day Nine: What you may have missed

BBC Sport rounds up the action you might have missed on Day Nine of London 2012.

ATHLETICS: Usain Bolt left the rest of the field in his wake to secure his second successive 100m Olympic gold medal.

GYMNASTICS: Louis Smith and Max Whitlock won silver and bronze on the pommel horse.

ATHLETICS: Christine Ohuruogu won 400m Olympic silver , beaten in the final by Sanya Richards-Ross.

SAILING: Ben Ainslie became the most decorated Olympic sailor in history after he clinched his fourth straight gold medal.

ATHLETICS: Ethiopia's Tiki Gelana won gold in the women's marathon in an Olympic record time of two hours, 23 minutes and seven seconds.

BOXING: Lightweight Natasha Jonas became the first female Briton to win an Olympic boxing match as the women's event made its debut at the Games.

TENNIS: Andy Murray captured the biggest title of his career as he beat world number one Roger Federer in straight sets in the men's final.

TENNIS: Murray then won silver in the mixed doubles as he and Laura Robson were beaten by Max Mirnyi and Victoria Azarenka.

CYCLING: Ed Clancy added to his tally of medals with a bronze in the omnium, with Dane Lasse Norman Hansen taking gold.

ATHLETICS: World champion Ezekiel Kemboi secured Kenya's first gold medal of London 2012 with victory in the men's 3,000m steeplechase

WEIGHTLIFTING: China's Zhou Lulu wins the gold medal in the women's super heavyweight class after a world record-breaking duel with Russia's Tatiana Kashirina.