 Cockrell akapinda uye akapedza kudzidza paProvidence Day School muCharlotte, North Carolina muna 2016, kwaakanga ari mutambi. Muna 2016, akahwina menduru yegoridhe mumakwikwi evakadzi e400 metres hurdles, aine hunyanzvi hwevanhu 55.20, pa2016 IAAF World U20 Championshipsrakaitirwa muBydgoszcz, Poland. Akakundawo menduru yegoridhe mumakwikwi evakadzi e4 × 400 metres relay. 