RACE: 52nd Indianapolis 500

DATE: May 30, 1968

WINNER: Bobby Unser

AVERAGE SPEED: 152.882 mph

WHAT HAPPENED: Unser won the first of his three Indy 500s when he inherited the lead just eight laps from the finish when Joe Leonard's engine expired.

NOTABLE: Pratt & Whitney's turbine engine — the "Wedge Turbine" — was used in the Lotus 56 entries. Mike Spence was killed in a May 7 practice session when a tire broke off his Wedge Turbine and struck him in the head.