Dee ihe na-esote paragraf a - 2011 hụrụ ka Harrison na-aga n'ihu n'ọkwa dị elu. O meriri asọmpi mbụ ya na asọmpi UCI Track World Cup na Beijing, na-emeri omnium. Ọbịbịa mbụ nke Harrison na UCI World Track Championships bịara na 2011
, nke o meriri ọla nchara dịka akụkụ nke Team Pursuit. A họpụtara ya na ngwụcha mgbe onye na-amalite mgbe niile bụ Ed Clancy dara ọrịa. Harrison mechakwara nke iri na otu na omnium.