Appendix O to the FIA International Sporting Code defines the inspection and licensing process for

auto racing Auto racing (also known as car racing, motor racing, or automobile racing) is a motorsport involving the racing of automobiles for competition. Auto racing has existed since the invention of the automobile. Races of various sorts were organise ...

circuits intending to host races sanctioned by the

Fédération Internationale de l'Automobile The Fédération Internationale de l'Automobile (FIA; en, International Automobile Federation) is an association established on 20 June 1904 to represent the interests of motoring organisations and motor car users. It is the governing body for ...

(FIA), motorsport's governing body. The grades issued by the FIA are 1, 2, 3, 4 and 6, depending on the suitability of the circuit for different types and groups of cars, with 1 being the highest grade and the only circuits that can host

Formula One Formula One (also known as Formula 1 or F1) is the highest class of international racing for open-wheel single-seater formula racing cars sanctioned by the Fédération Internationale de l'Automobile (FIA). The World Drivers' Championship, ...

races. A circuit holding a particular grade can also host events featuring categories of cars at lower grades. The grades are issued "with the sole purpose of permitting the registration of races on the FIA International Calendar, for the categories of vehicles specified". Grades 1–4 concern various categories of cars depending on their

power to weight ratio Power-to-weight ratio (PWR, also called specific power, or power-to-mass ratio) is a calculation commonly applied to engines and mobile power sources to enable the comparison of one unit or design to another. Power-to-weight ratio is a measuremen ...

, and grade 6 relates to

autocross Autocross (also called "Solo", "Auto-x" or "Autoslalom") is a timed competition in which drivers navigate one at a time through a defined course on either a sealed or an unsealed surface. It is a form of motorsports that emphasizes safe competitio ...

, rallycross and

ice racing Ice racing is a form of racing that uses cars, motorcycles, snowmobiles, all-terrain vehicles, or other motorized vehicles. Ice racing takes place on frozen lakes or rivers, or on groomed frozen lots. As cold weather is a requirement for natural ...

courses. Grade 5 was previously designated for alternative energy vehicles until September 2022 when this was changed to designate developing circuits with ''FIA Provisional Circuit Licences''.

Grade One

There are 39 Grade One circuit with 49 layouts. Circuits holding Grade One certification may host events involving "Automobiles of Groups D (FIA International Formula) and E (Free Formula) with a weight/power ratio of less than 1 kg/hp." As such, a Grade One certification is required to host events involving

cars.

Grade Two

There are 53 Grade Two circuits for a total of 62 layouts as of December 2022. Circuits holding Grade Two certification may host events involving "Automobiles of Groups D (FIA International Formula) and E (Free formula) with a weight/power ratio of between 1 and 2 kg/hp." If a circuit with a Grade 2 layout also has other layouts in other grade/s, will be shaded on other grade lists.

Grade Three

There are 28 Grade Three circuits for a total of 36 layouts as of December 2022. Circuits holding Grade Three certification may host events involving "Category II Automobiles with a weight/power ratio of between 2 and 3 kg/hp. Since 2020, there is also a specific grade given for Formula E circuits; which is called as "Grade 3E"."

Grade Four

there are 7 Grade Four circuits. Circuits holding Grade Four certification may host events involving "Category I Automobiles. Category II Automobiles with a weight/power ratio higher than 3 kg/hp."

Grade Six

there are 22 Grade Six circuits. Grade Six is split into three parts: Grade 6A for all classes of

Autocross Autocross (also called "Solo", "Auto-x" or "Autoslalom") is a timed competition in which drivers navigate one at a time through a defined course on either a sealed or an unsealed surface. It is a form of motorsports that emphasizes safe competitio ...

vehicles, Grade 6R for all classes of Rallycross vehicles and Grade 6G for all classes of

Ice Racing Ice racing is a form of racing that uses cars, motorcycles, snowmobiles, all-terrain vehicles, or other motorized vehicles. Ice racing takes place on frozen lakes or rivers, or on groomed frozen lots. As cold weather is a requirement for natural ...

vehicles.

Notes

References

{{reflist Circuits,FIA Grade Motorsport venues by FIA Grade