Official Pinewood Derby Rules 

Car Dimension Rules 

 The overall length of the car shall not exceed 7 inches. 

 The overall width of the car shall not exceed 2 ¾ inches. 

 The car must have 1 ¾” clearance between the wheels. 

 The car must have 3/8” clearance underneath the body so it does not rub on the track. 

Derby Car Weight Rules 

 The car shall not exceed 5.0 ounces. 

 The official race scale that is used at car check-in shall be considered final. 

Car Modifications Not Allowed

 The official pine wood block must be used. The block may be shaped in any way that is desired. 

 Wheels provided must be used. The wheels may not be cut, drilled, beveled or rounded. You may remove the seams and imperfections from the wheels. 

 The axles may be altered, polished and lubricated. 

Other Derby Race Rules 

 Once a car passes inspection and is entered into the race, only race committee members can touch it. 

 If the car loses a wheel, or is otherwise damaged, the racer shall have time to make repairs. 

 Each car must pass inspection by the official inspection committee before it will be allowed to compete.

 The Inspection Committee has the responsibility to disqualify those cars that do not meet these rules.

 Cars from previous years cannot be used to race the current year, all cars must be made new each year.