The 1957 Rebel 300 was a NASCAR Convertible Series race in Darlington, South Carolina on May 12, 1957.

While the Rebel 300 was originally a convertible race, it eventually became absorbed into what is now known as the NASCAR Cup Series.

After a Saturday rainout, track president Bob Colvin decided to race on the next clear day, in violation of South Carolina blue laws (the Southern 500 was held on Monday until 1984).

[2] Fireball Roberts would ultimately beat Tim Flock by two laps in front of 17,000 people.

[5] Art Binkley, Dick Beaty and Possum Jones would be the most notable drivers in the lap 29 crashes.