<prompt> Pedzisa mutsara unotevera: Weld akakunda Knoxville Nationals ya1963, mutambo wokutanga mumakwikwi emota dzinomhanya. Weld akamhanya mumakwikwi eUSAC Championship Car mumwaka wa1965-1972, aine makumi matatu nematanhatu ekutanga basa, kusanganisira  <response>: 1970 Indianapolis 500. Akapedza ari pamusoro gumi 11 nguva, nezvakanakisisa kupedza kwake panzvimbo 4th muna 1970 pa Sacramento. Akanga ariwo 1967 USAC Sprint Car Series shasha. Akanga ari mutyairi wokupedzisira kuti atungamirire motokari inofambiswa neNovi injini yakakurumbira paIndianapolis Motor Speedway paakawira panguva yekuedza kukodzera muna 1966. 