World Endurance Championship

From 2012 onwards, the ACO/FIA World Endurance Championship is the summit of the Endurance pyramid. 2018 is a year of transition with the Super Saison and a 2018-2019 calendar comprising five 6-hours races, the Sebring 1000 Miles and two stagings of the Le Mans 24 Hours.  It is open to two major categories, the LM P1 and LM P2 sport-prototypes and the GT cars, LM GTE Pro and LM GTE Am. The LM P1 category may be the main category, but the LM P2 field grows bigger and stronger each year.

FIA WEC website

24 Hours of Le Mans

Created in 1923, the Le Mans 24 Hours is the ultimate endurance race. Two stagings of this iconic event are included in the FIA WEC 2018-2019 Super Season world championship. It also accepts one-off entries, those from the winning teams in the European Le Mans Series and the Asian Le Mans Series, which receive an invitation. It includes the same categories as the world championship – LM P1, LM P2, LM GTE Pro and LM GTE Am.

Le Mans 24 Hours website

Michelin Le Mans Cup

The Michelin Le Mans Cup is faithful to the Le Mans 24-Hours spirit and is open to GT3 and LM P3 cars. Five 2-hour races are organised in the context of the European Le Mans Series and Road to Le Mans, two 55-minute races on the iconic big Le Mans 24-Hours circuit as curtain-raisers to the Sarthe classic, completes the calendar.

Le Mans Cup website

Road to Le Mans

As a curtain raiser to the Le Mans 24 Hours since 2016, the Road to Le Mans allows the LM P3 teams to familiarise themselves with the famous circuit. Two 55-minute races are organised and count towards the Michelin Le Mans Cup. One-off entries are also accepted.

Road To Le Mans website

European Le Mans Series

The European Le Mans Series followed the Le Mans Series in 2012, the year where the LM P2 became the premier class. This category shares the track with LM GTE, and since 2015 it is also open to LM P3 cars. It has six 4-hour events on the most beautiful tracks in Europe and is often viewed by teams as an essential step before competing in the World Championship.

ELMS website

IMSA WeatherTech Sportscar Championship

This prestigious American championship is open to four categories. The premier category is called “Prototypes” which includes LM P2 and DPi, prototypes that are typically American and were introduced in 2017. The GTs are divided into two classes, GT LM and GT D. The championship consists of ten rounds open to the “Prototype” categories on very different tracks with races of various lengths. Four of the most famous events, the Daytona 24 Hours, the Sebring 12 Hours, the Petit Le Mans and the Watkins Glen 6 Hours make up the Tequila Patron North American Endurance Cup, a championship in the championship.

IMSA website

IMSA PROTOTYPE CHALLENGE BY MAZDA

Launched in 2017, this American series run by IMSA is open to the LM P3 and MPC categories. There are six rounds on the calendar on the most important circuits in North America. This year the first format of two 45-minute races has been replaced by a single 1h 45-minute race.  Four of these events are part of the WeatherTech SportsCars Championship weekends.

Prototype Challenge website

Asian Le Mans Series

The series was launched in 2013 by the Automobile Club de l’Ouest. It’s the incarnation of “Le Mans” type endurance races adapted to the Asian continent. It regroups four races of at least four hours' duration from November 2018 to February 2019 in China, Japan, Thailand and Malaysia. It includes four categories – LM P2, LM P3, GT and GT Cup. The winners of the LM P2, LM P3 and GT categories receive an invitation to compete in the following year's Le Mans 24 Hours.

http://www.asianlemansseries.com/

V de V Endurance Series

The V de V Endurance Series has been attracting a large number of competitors for years by combining GTs, Prototypes, VHCs, single seaters and Funyos in several fields on different European circuits over seven events every year. The Endurance GT / Tourism / LM P3 / PFV field competes in seven races of four or six hours.

V de V website

F4 U.S. Championship

The F4 U.S. Championship was launched in 2016 and is an American single-make series. It consists of six rounds comprising three races for the first five and two for the final that is part of the F1 GP programme on the Circuit of the Americas. The cars are all Ligier JS F4s powered by a Honda engine putting out around 160 bhp and all the cars are shod with Pirelli tyres. The FIA Formula 4 Series are a stepping stone from karting to Formula 3.

F4 US Championship website

F3 Americas Championship

Building on the success of the F4 U.S. Championship, SCCA Pro Racing launched the F3 Americas Championship in 2018, a single-make FIA F3 Regional series. Once again it has the same partners with Pirelli supplying tyres and Honda the engine pushing out around 270 bhp. The calendar is made up of six rounds comprising three heats each for a total of 17 races including the final held like that of the F4 US Championship at the F1 GP meeting on the Circuit of the Americas.

F3 Americas Championship website