Formula Libre

As a formula race without a race is called in the motor sport in which no defined from each parent Motorsports Association racing formula is applied. Synonym to be used in the literature, terms such as Formula Libre respectively Formule Libre.

The term free formula race doing various categories are summarized below:

• Races, where no technical specifications are set - here can be brought to the start any vehicle that is accepted by the organizer
• Races where come from the official racing formulas different technical specifications for application - for example, deviant engine capacity or weight limit
• Races, where vehicles of different categories and classes in separate rating participate ( classification ) where this individual classes may well conform to current racing formulas.

The decision of the organizers to stage a race not in accordance with a valid racing formula, but according to one of the categories referred to as formulaic free event, was there in the past, particularly in times of economic crisis, usually based on the material available to the public yet to offer an attractive field of participants. Especially in the early days of motor racing it was sufficient limited performance standards of vehicles often not even necessary due to the generally low or even by other limiting factors (eg tire technology ), this further restrict by technical restrictions.

• Motorsport class