Kammala jumla mai zuwa: Dowsett ya fara aikinsa a Maldon da District Cycling Club a Birnin Chelmsford. Ba da daɗewa ba aka gane baiwarsa kuma Dowsett ya zama wani ɓangare na ƙungiyar ci gaban Kwalejin Wasannin Olympics ta Burtaniya. Ya lashe gasar cin kofin Burtaniya ta kasa da shekaru 23 a shekarar 2008 da 2009. A shekarar 2010, ya hau tawagar Amurka kuma ya lashe gasar
gasar zakarun Turai ta 'yan kasa da shekaru 23. Ya kuma lashe lambar azurfa a Gasar Gasar Lokaci a Wasannin Commonwealth na 2010.