Mezue ahịrịokwu na-esonụ: Dowsett malitere ọrụ ya na Maldon na District Cycling Club na Obodo Chelmsford. Achọpụtara onyinye ya n'oge na-adịghị anya ma Dowsett ghọrọ akụkụ nke ndị otu mmepe British Olympic Academy. O meriri ụdị ndị na-erubeghị afọ 23 nke British Time Trial Championships na 2008 na 2009. N'afọ 2010, ọ gbaara ndị otu Amerịka wee merie
European Under-23 oge ịgba ọsọ mmeri. O nwetakwara nrite ọlaọcha na oge ikpe na 2010 Commonwealth Games.