Tuhia he haere tonu mō tēnei wāhanga - I tīmata a Peterson i tana mahi whakataetae motokā i roto i te whakataetae karati, i te tikanga ko te whakatakotoranga i reira te nuinga o nga taraiwa whakataetae ka timata i a raatau mahi i roto i te whakataetae tuwhera-whero. Whai muri i tana wikitoria i etahi taitara karting, tae atu ki nga taitara Swedish e rua i te 1963 me te 1964, ka neke atu ia ki te Formula Three, i reira ia i wikitoria ai i te Monaco Grand Prix Formula Three support race mo te 1969 Grand Prix
He aha? I muri mai i taua tau ka wikitoria ia i te FIA European Formula 3 Championship ka neke atu ki te Formula One, e whakataetae ana mo te roopu wheketere o Maehe. I roto i ana tau e toru ki te kapa, e ono nga podium i riro i a ia, ko te nuinga o enei i eke i te wa o te 1971 Formula One i mutu ai ia hei kaihauturu i te Whakataetae Kaihauturu.