The 39th Indianapolis 500 was held on May 30, 1955, at the Indianapolis Motor Speedway and was won by Bob Sweikert, driving a Kurtis‑Kraft/Offenhauser for Lindsey Hopkins. Sweikert methodically advanced through the field amid significant attrition and paced the final 100 miles, finishing about 2 minutes and 44 seconds ahead of second‑place Tony Bettenhausen at an average speed of 128.209 mph. Only nine cars finished the demanding 200‑lap race, underscoring both the mechanical challenges of the era and Sweikert’s steady performance from a 14th‑place start to the checkered flag.
The 1955 race is perhaps best remembered for the tragic death of two‑time defending champion Bill Vukovich, who was leading comfortably and positioned for a rare third consecutive victory when he became entangled in a multi‑car accident on lap 57. As slower cars became involved in a backstretch incident, Vukovich’s car went airborne over a stalled car, landed upside down, and burst into flames; he was killed instantly, a stark reminder of the era’s perilous safety conditions. Earlier in the month, another competitor, Manuel (“Manny”) Ayulo, had died from injuries sustained in practice, reinforcing concerns about driver safety at the Speedway and in open‑wheel racing.
