Gabby Thomas competed against the fastest women alive in the women's 200m final and won a bronze medal with a time of 21.87 seconds.
Thomas finished just behind Jamaica's Elaine Thompson-Herah and Christine Mboma of Namibia.
Elaine Thompson-Herah posted a national record time of 21.53 in the women's 200m final.
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It is her second gold of the Tokyo Games after she won the 100m with an Olympic record 10.61 on Saturday.
Mboma ran a time of 21.81 seconds to win the silver medal.