A wreck after the green flag to start the #Indy500! Marco Andretti's day is DONE in his 20th start. | NTT INDYCAR SERIES

What's the worst Indy crash? The 2017 Indy 500 saw one of the most terrifying crashes in the race’s history when Jay Howard lost control exiting Turn 1, clipped Ryan Hunter-Reay, and slid up into Scott Dixon’s path. Dixon’s car launched off Howard’s, flew through the air, and slammed into the inside barrier, disintegrating on impact. Miraculously, both drivers walked away uninjured. #Indy500 #ScottDixon #JayHoward #IndyCar #Motorsport #RacingCrash #OpenWheelRacing #MotorsportHistory #RaceDay #cr

Worst Indy 500 crash? During practice for the 1991 Indianapolis 500, rookie Mark Dismore suffered one of the most violent crashes in Indy history. While exiting Turn 4 at over 215 mph, Dismore brushed the outside wall, which broke his car’s suspension and sent him spinning backward toward pit road. His car struck the inside fence, burst into flames, then slammed nearly head-on into the end of the pit wall—an impact so severe it ripped the car in two and exposed Dismore’s legs. He endured a broke