Stock car races were held at Yellowhead International Speedway on Sunday, July 7. Here are the results: Thunder stock car winners - Heat 1:Rodney Rosenthal. Heat 2: Marty Sharp. Feature: Rodney Rosenthal. Street stock winners - Heat 1 A: Richard Hiebert. Heat 1 B: Dave Clark. Heat 2: Dave Clark. Feature: Dave Clark. Mechanics race: Cortney Matkowski. Ladies race: Carolyn Heinrich. The next stock car race is on Sunday, July 28 at 2 p.m.