<prompt> Pedzisa mutsara unotevera: Felix akatora nzira zvakare musi waAugust 10, 2012, sechikamu chevakadzi  <response>: 4 × 100 metres relay team naTianna Madison, Bianca Knight, uye Carmelita Jeter. Vane vacho vakakunda nenguva yemasekonzi 40,82, vachiputsa chinyorwa chenyika chenguva refu chemasekonzi 41,37, chakagadzwa neEast Germany muna October 1985. Pausiku hwokupedzisira hwemitambo, August 11, 2012, Felix akamhanya 48.2-yechipiri gumbo pavakadzi veUnited States 4 × 400 metres relay team naDeeDee Trotter, Francena McCorory, naSanya Richards-Ross, vakakunda munguva ye3:16.87, yechitatu-yakakurumidza nguva munhoroondo yeOlympic kuseri kweSoviet Union neUnited States kumaOlympics ezhizha ra1988, uye yechishanu-yakakurumidza nguva yakazara, kusvika panguva iyoyo. 