US women's relay team run solo race against the clock to qualify for final - video

The American women's 4x100m relay team compete in a solo timed race to qualify for the final. After appealing to officials following a fumbled baton in the initial heat, the Americans had a target time of 42.70 seconds to beat to qualify for the final. They clock 41.77 USA women's 4x100 team qualify for final in solo run-off after baton blunder Rio 2016 - live updates