Mezue ahịrịokwu na-esonụ: A hapụrụ Harrison n'ime ndị otu Team GB maka
2012 World Championships na 2012 Olympic Games mgbe ndị ọzọ nwere ahụmahụ na-agba ịnyịnya laghachiri na otu. O meriri n'asọmpị ndị na-erubeghi afọ iri abụọ na atọ na British National Time Trial Championships. N'afọ 2013, Harrison laghachiri n'òtù ndị Briten maka asọmpi World Championships, ebe ọ bụ akụkụ nke ndị otu Team Pursuit meriri ọlaọcha. Harrison bịanyere aka na otu ahụ maka oge 2014.