 Ramba uchinyora ndima iyi - Pa2012 U.S. Olympic trials, akawana nzvimbo yechipiri mumakwikwi e400m nezvipingamupinyi aine nguva ye54.33 kuti apinde muchikwata cheOlympic. Moline akaita chikwata cheOlympic pazera remakore 22, apedza gore rake rokutanga kukoreji. 