<prompt> Ramba uchiverenga ndima iyi - Pamakwikwi eOlympics yeZhizha ya2008 muBeijing, McGrath akakwanisa kupinda muchikwata chake chechipiri cheCanada, semunhu mukuru ane makore 32, munhangemutange yevarume  <response>: nhangemutange nokugamuchira imwe yenzvimbo nhatu dziripo dzorudzi kubva kuCanadian Cycling Association neUnion Cycliste Internationale, yakavakirwa pakuita kwake kwakanakisisa paWorld Cup series, World Championships, uye Mountain Biking World Series. McGrath haana kukwanisa kuenzanisa kuita kwenyeredzi kubva kuAthens, sezvo akatambura nekuputika kwevhiri uye ipapo aifanira kukwira rim yose nzira yakapoteredza tech tech kuitira kuti atsive vhiri rakaputika. Achiziva kuti vhiri rake idzva raiva nerinoyerera zvishoma nezvishoma panzvimbo yakatarwa, McGrath akasarudza kugumisa nhangemutange yake kwasara mavhiri matatu chete uye akapedza ari panzvimbo yechimakumi mana nemana. 