Hall's abilities drew international attention at the 1960 United States Grand Prix at Riverside. Driving his own already-past-its-prime Lotus-Climax, he ran a surprising fifth for much of the race until the differential started to give way a few laps from the end. Of Hall's run, Competition Press (now Autoweek) wrote, “It looks as if Texas has another international caliber driver ready to take Carroll Shelby’s place now that Shelby has announced his retirement.”