 Leonard eventually led for 21 laps before retiring with a broken turbocharger.Leonard then got back-to-back second-place finishes at the Rex Mays Classic 150 at Wisconsin State Fairgrounds Park Speedway and the Schaefer 500 at Pocono International Raceway; in the latter Leonard battled with Mark Donohue for the win, until Leonard stretched his fuel hose during his final pit stop.Leonard won the California 500 at Ontario Motor Speedway.