Pedzisa mutsara unotevera: Diaz akaedzawo kukwikwidza kumitambo yeOlympic yeZhizha ya2012 muLondon, asi akapedza ari wechitanhatu mumakwikwi ake ekupedzisira ekupedzisira pa
2012 UCI BMX World Championships muBirmingham, England, ichitadza kufambira mberi kumativi ekupedzisira kunzvimbo yaidiwa yeOlympic.