Winners from the Thunder stock heat races June 27 at the Yellowhead International Speedway.: heat one, Chris Stadnyk (06), heat two, Chris Stadnyk (06). Thunder stock feature race trophy winner: Levi Wilcott. Street stock heat races: heat one, Miles Brooks (72), heat two, Richard Hiebert (28). Street stock feature race trophy winner: Dave Clarke (5). Mechanics race winner: Dave Oryschak (72). Media race: Ron Hannah (40). The next race date is scheduled for July 10 at 5 p.m.