Kammala wannan jumla: A kakar wasa ta farko a Formula One, Hamilton ya yi aiki tare da kare zakaran zakaran duniya Fernando Alonso wanda ya koma McLaren bayan barin Renault. Hamilton ya burge a lokacin da ya fara tsere a Ostiraliya, ya wuce Alonso zuwa juya daya kuma sau biyu ya jagoranci tseren. Hamilton ya kasance a gaban abokin aikinsa a mafi yawan tseren, amma dabarar ta ba Alonso damar ɗaukar matsayi na biyu a zagaye na ƙarshe na pitstops. Dennis ya ce, jim kaɗan bayan tseren, "Tsarin ya fi son Fernando". Daga karshe Hamilton ya gama na uku, ya zama direba na farko tun lokacin da Jacques Villeneuve ya gama a kan podium a tseren farko. Gwarzon zakaran duniya sau uku Niki Lauda, ya yaba wa Hamilton a matsayin mafi kyawun rookie da ya taɓa gani A zagaye biyu na gaba a Bahrain da Barcelona, Hamilton ya gama na biyu a bayan Felipe Massa don jagorantar gasar zakarun duniya, don zama matashi mafi ƙanƙanta da ya taɓa jagorantar gasar zakarun duniya. Bayan kammala na biyu a bayan Alonso a Monaco, Hamilton ya ba da shawarar an hana shi yin tsere da abokin aikinsa, amma FIA ta share McLaren bayan bincike. Bayan tseren, shugaban kungiyar McLaren Ron Dennis ya yarda cewa sakamakon ya riga ya ƙaddara ta ƙungiyar, cewa saboda haɗarin motar aminci, an yanke shawarar sadaukar da dabarun Hamilton. Dennis ya ce game da shawarar da ƙungiyar ta yanke, "Ya kamata ka yanke shawara tun da wuri a kan wanda zai ci tseren. Hamilton ya samu nasarar farko da kuma nasara ta farko a aikinsa na Formula One a gasar. Bayan mako guda Hamilton ya lashe, ya zama dan Birtaniya na farko tun bayan John Watson a
1983 don lashe tseren Formula One a Amurka.