Heartland of America Showdown presented by Trackhouse High Limit Sprint Car Series + B-Mods $50,000 To Win Sprint Car Feature The inaugural High Limit Sprint Car season begins with a bang! Shane Stewart and Justin Marks of Team Trackhouse are joining forces with Brad Sweet and Kyle Larson to offer a whopping $50,000-to-win midweek special. It all goes down at Kansas City's Lakeside Speedway on Tuesday, April 11. Join us for a beautiful night with 50-ish of the best Sprint Car drivers in the world competing for big money. Qualifying is set for 6:30pm CT with Racing beginning at 7:20pm CT.