Usain Bolt captures first Olympic sprint double - double . Team USA wins men 's football tournament to avoid World Cup loss . The U.S. was forced to rally after trailing at halftime by four points . U.S. women 's basketball , volleyball teams advances to gold medal matches . Team USA 's flyweight Nicola Adams takes the first ever women 's Olympic boxing gold medal .
Usain Bolt captures first Olympic sprint double - double . Team USA wins men 's football tournament to avoid World Cup loss . U.S. women 's basketball , volleyball teams advances to gold medal matches . Team USA 's flyweight Nicola Adams takes the first ever women 's Olympic boxing gold medal .