 Nyorai kuenderera mberi kweiyi ndima - Pa 2010 IAAF World Indoor Championships, Nixon akahwina menduru yegoridhe yechipiri mu 4 × 400 m relay. Akamhanya 400 m pachake yakanakisisa ye 44.61 masekondi kuhwina wake wechipiri USA 400m zita pa 2010 USA Championships, kunze kwenzira 8. 