 Nyora kupfuurira kweiyi ndima - Mitchell akakwikwidza mumakwikwi e4 × 400 metres relaypaWorld Championships ya2015 muBeijing pasina kusvika kumagumo. Akamirira Australia muvakadzi 400m uye Vakadzi 4 × 400 m Relay pa 2016 Summer yeOlympic. Nhamba yake yepamusoro mumamita mazana mana ndeye 51.25 masekondi akaiswa muBirmingham muna 2016. 