Thunderhill Raceway Park

Thunderhill Raceway Park is a motorsports complex located 7 miles West of Willows, California, United States, in the Sacramento Valley. It is the venue for the longest automobile race in the United States, the 25 Hours of Thunderhill, held annually during the first weekend in December.

Thunderhill Raceway Park has everything you need for a first-rate track experience

3-mile east track with 200’ elevation change

2-mile West track

5-mile combined track

Over 10 different configurations

315’ x 550’ skid pad

662’ x 363’ autocross pad

Two large, covered parking areas

Large, multi-story, air-conditioned club house

Restrooms and showers

Covered patio areas

Meeting and lounge areas

Free Wi-Fi available in the 3 and 2 mile paddock areas.

Sunoco Fuel station with Standard 110 leaded, Sunoco SS 100 unleaded, 96 and 91 premium

Full-service tire shop

RV power hookups

Garage, locker & trailer storage

Thunderhill Grill & catering

Facility Rules & Regulations
Thunderhill has a DB limit of 103 for all vehicles and mufflers are required.

Entrance to the paddock to drop off vehicles and trailers or for early arrival when camping has been previously setup is 5:30 pm.

Paddock speed limit is 10mph or less.

Keep fire lanes open at all times.

Unauthorized vehicles including ATV’s, golf carts, motorized bikes, scooters, or skateboards are NOT allowed on racetrack at Thunderhill Park. No one under 16 allowed on any ATV, golf cart, motorized bike, or scooter.

People may walk or ride a bicycle on the track after hours with permission from Thunderhill Raceway Park management.

Recycle Bins Are available in the paddock area; please use them appropriately.

Please do not throw trash on the ground. There are trash cans throughout the paddock.

Illegal drugs, explosives, guns, bows and arrows, sling shots, and similar devices are prohibited. Anyone found with these items will be asked to leave the property.

NO FIREWORKS ALLOWED!

Pets allowed into the track must be on a leash at all times. Please clean up after your pet. Pet access is a privilege not a right. The track reserves the right to deny pet access to the property at any time.

No open campfires or barrel fires are allowed. Only contained, manufactured barbeques and grills are permitted.

No race engines can be run before 7:30 am or after 6:00 pm Quiet time is from 10pm – 7:30am. Please be courteous to your neighbors by not playing loud music or making loud noises between these hours.

No waste water dumping is allowed. There are RV dump areas a few miles from track. Please see Thunderhill Park Management for directions.

Offensive signs, public drunkenness and loud profanity will not be tolerated.

The selling of unauthorized merchandise is not permitted.

Please do not overload the electrical hookups with excessive cords, etc. as you may cause outages for your neighbors.

Thunderhill Raceway Park is not responsible for theft, damage, or loss of property.