 Complete the following phrase:  Quanera Hayes born March 7, 1992 is an American sprinter specializing in the 400 meters distance. She won the bronze medal at the 2016 World Indoor Championships and is the 2020 US Olympic Trials champion in the womens 400 m. She has earned several gold medals for the United States in the 4 × 400 m relay, including at the World Championships and World Relays in 2017, as well as the World Indoor Championships in 2016 and 