The 16th Annual Heartland Nationals at Atoka Motorsports Park in Atoka, OK is just around the corner on Memorial Day Weekend May 23-25. This event is going to be big with both PTN & PSDA on board supporting the show. The race info for this event has been released. Click the links below for event info. For further information, call John at 580-775-8511 or e-mail This email address is being protected from spambots. You need JavaScript enabled to view it..