The two remaining teams arrive in St. Louis, ready for their final big sell. Tyler Florence challenges the teams to create three different dishes in 30 minutes to serve to two of the most renowned grill chefs in St. Louis, with the winner getting a v... (more)aluable head start on the finale weekend. On their way to the Chicago showdown, they hit Springfield, Ill., for a Lincoln-themed sale. Once in Chicago, the teams have to hit three different ethnic neighborhoods with three different ethnic dishes. The team that first sells 50 dishes in each location will be crowned the champion of the Great Food Truck Race and drive away $50,000 richer.