 Rambai muchinyora ndima iyi - McWilliams akatanga kukwikwidza muMitambo yeParalympic muna 2003 uko akahwina menduru yegoridhe nekutora kwake chikamu muMitambo yeParapan American muMar del Plata, Argentina. Muna 2004, akapinda mu2004 Paralympic Gamesiyo yakaitirwa muAthens, Greece uye kwaakawana menduru yake yekutanga yendarira. Muna 2008 akapinda muWorld Organization Volleyball for Disabled iyo yakaitirwa kuIsmaïlia, Egypt uye uko McWilliams akawana bronze yechipiri. Muna 2008 Paralympics iyo yakaitirwa muBeijing, China akahwina menduru yesirivheri yeVakadzi Vakagara Volleyball. Muna 2010, akahwina imwe menduru yesirivheri yeSitting Volleyball World Championships. 