U.S. women’s 4x400m relay dominates heat

NBC Olympics
The U.S. women’s relay team of Quanera Hayes, Shamier Little, Aaliyah Butler and Kaylyn Brown dominated their heat in 3:21.44.
NBC Olympics
The U.S. women’s relay team of Quanera Hayes, Shamier Little, Aaliyah Butler and Kaylyn Brown dominated their heat in 3:21.44.
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