Thoroughbreds is a 1944 American drama film directed by George Blair, written by Wellyn Totman and Franklin Coen, and starring Tom Neal, Adele Mara, Roger Pryor, Paul Harvey, Eugene Gericke and Doodles Weaver.

Rusty Curtis of the U.S. Cavalry division is unhappy about the Army's plan to replace horses with tanks.

After a medical discharge, Rusty tries to buy his old military mount, Sireson, but wealthy socialite Sally Crandall outbids him.

Sally's father hires Rusty to train the horse for a big steeplechase race.

Jack returns and overhears a conversation leading him to believe Rusty intends to lose the race on purpose.