US breaks 27-year-old record in women's 4x100

21:27, Aug 10 2012

Carmelita Jeter crossed the finish line pointing the baton at the clock showing a world record of 40.82 seconds as the United States won the women's Olympic 4x100-metre relay for the first time since 1996.

Tianna Madison, 200-metre champion Allyson Felix and Bianca Knight gave the US a big lead heading into the anchor leg by Jeter, the 100 silver medalist.

Their time smashed the old record of 41.37 by East Germany in 1985.

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AP