1) Appeared in a derby 2) Competed 3) Competed at Churchill Downs 4) Competed at daytona 5) Competed at indy 6) Competed at Le Mans 7) Competed at pimlico 8) Competed in a slalom 9) Competed in NASCAR 10) Competed in the indy 500 11) Competed with Seattle Slew 12) Dashed 13) Did a 10K 14) Did a 440 Found on https://www.crosswordclues.com/clue/raced