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Sydney McLaughlin-Levrone and the United States blew away the field in the women's 4x400-meter relay to win gold.
McLaughlin-Levrone blew up the rest of the race on the second leg with a split of 47.70 seconds.
After that, all Gabby Thomas and Alexis Holmes had to do was run a clean race with a massive lead.
The quartet of McLaughlin-Levrone, Thomas, Holmes and Shamier Little set an American record with a 3:15.27.
Results
1. United States - 3:15.27
2.