May 30-31, 2026
"Doggone Buttonwillow" **NEW CIRCUIT* Presented by NecksGen Buttonwillow Raceway Park, Buttonwillow CA
{Race 2 of 3: Southwest Endurance Cup}- Format: 7+8 Hour Enduro
- Car Entry (includes Captain): EARLY DOG DISCOUNT $500 USD plus $500 per add'l driver.
- The event requires a minimum of four (4) driver entries (or a total entry fee of $2,000, with a minimum of two (2) drivers). Drivers 5th, 6th, 7th, etc. goes FREE!
- Early dog discount ends April 30, 2026; then regular fee $550 per driver.
- FRIDAY PRACTICE DAY: The track will be hosting a practice day on Friday, May 29, 2026; Participants will register the morning of at the Classic track office. Costs are $385 full day 9am - 5pm and $275 half day 1pm - 5pm.
- Event Information and Schedule to be posted shortly.
- REGISTER HERE starting Saturday, November 1, 2025 at 12:00pm PDT!
