Whakaotihia te rerenga e whai ake nei: I te tau 1970, i haere a Bartlett ki te United States ki te whakataetae i roto i te raupapa o te USAC Championship (aka Indy Car), e ngana ana, e kore hoki e tohu mo te
Ko te Indianapolis 500. I whakataetae a Bartlett i etahi atu whakataetae Indy Car e toru, engari kaore i oti.