picture of 2020 USCS Flip Flop 50 at Riverside International Speedway

Completed, Nov 6-7, 2020
 

The biggest event of the year at Riverside International Speedway welcomes USCS Sprint cars for the Flip Flop 50 feature twin 25-lap $2,500-to-win main events. The first feature starts straight up from Friday night qualifying rounds and second on starts inverted from finish of first. The event also features a $2,500 bonus to win second feature from the tail of the field.