Pedzisa mutsara unotevera: Stephens akakwikwidza mumitambo mitatu mu2008 Summer Paralympics, achipedza ari wechi11 pakukanda dhisiki, wechi8 pakukanda chibhakera uye wechi4 pakukanda pfumo. Muna 2011, Stephens akahwina menduru yegoridhe pa
Paralympic Athletics World Championships muNew Zealand, achinyora zvakanakisisa zvehupenyu hwe39.11 mamita mujavelin. Akatevera izvi nekurekodha rekodhi yenyika, kuCzech Athletics Open muOlomouc, muvarume F57 javelin ine chinhambwe chemamita 41.37.