Allyson Felix won a women’s track record sixth Olympic gold medal, helping the United States win the 4x400-meter relay.

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Felix, who also won gold in the 4x100 relay and silver in the 400 meters, ran the final leg of the race as the Americans won in 3 minutes, 19.06 seconds. Courtney Okolo ran the first leg, followed by Natasha Hastings and Phyllis Francis.

Jamaica took silver and Britain got bronze.