http://www.universalsports.com 2015, Beijing, China, the 15th Track and Field World Championships, In the Women's 4x400 meters relay, Allyson Felix gave the lead to Team USA, but Jamaican anchor Novlene Williams-Mills took it back for the win at 3:19.13, by .43 seconds. (Call your TV provider and ask for Universal Sports to watch full events on TV and online.)

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