Featuring 75th Anniversary Stock & Super Stock Class Eliminations! Event Schedule Monday, August 10th Stacking Begins: 12pm Sportsman competitors may begin arriving at BIR. Stacking takes place on the road course in preparation for Tuesday parking. (No stacking prior to 12pm, please do not arrive before that time) Tuesday, August 11th Parking & Ticketing: 12pm-8pm Overnight stacking resumes at 8pm NHRA Racer Registration / Run Sticker Pickup | Noon – 5:00 PM (BIR Shirt Shack)

Based on feedback received from Top Dragster and Top Sportsman competitors across the country regarding field sizes, qualifying, and maximum dial-ins, NHRA will implement the following changes for the 2027 season. Field Sizes Field sizes will remain consistent with historical precedent, with each Division continuing to determine the field size for its LODRS events. For specific information regarding field sizes at individual events, please contact your Division Office or visi

July 24th-26th, 2026 The West Central National Open Series resumes the 2026 campaign in Eau Claire, Wisconsin this weekend for a Doubleheader event. Don't miss your chance to get your hands on a 75th Anniversary Wally and valuable grade points as we pass through the halfway point of the season. For more event information, please visit our Event Page