1970kii, Bartlett wuxuu u safray Mareykanka si uu ugu tartamo tartanka USAC Championship (aka Indy Car), isagoo isku dayay oo ku guuldareystay inuu u qalmo Indianapolis 500
Waxaad Bartlett wuxuu tartamay seddex tartan oo kale oo Indy Car ah, laakiin wuu ku guuldareystay inuu dhammeeyo.