Supercars Endurance Series

The championship began in 2019 under the name GT4 South European Series. It was created and organized by the Portuguese promoter Race Ready, with support from the Stéphane Ratel Organisation (SRO). The season started on 20 April at Nogaro and concluded on 24 November at the Autódromo do Estoril, consisting of five point-scoring weekends with two races each, as well as one non-championship race: the Vila Real International Cup.^[1]

In 2020, the championship was affected by the COVID-19 pandemic. Only two rounds were held in December and January of the following year, but each round featured three races.^[2] Divisions were eliminated, and a single overall champion was crowned.

In 2021, the championship was restructured and renamed Supercars Endurance, opening the series to TCR cars as well. This format continued in 2022. In 2023, a separate overall GT4 championship was created, and other types of touring cars besides TCR were also accepted. The 2023 calendar consisted of four races, two in Portugal and two in Spain.^[3] Three of these races were held in conjunction with the Portuguese Speed Championship.^[4]

For 2024, a calendar of six events was announced, with four of them counting towards each of the following championships: the Iberian Supercars as the Iberian championship, the Portuguese Speed Championship as the national Portuguese championship, and Supercars Spain (Jarama RACE 2024) as the Spanish trophy.^[5]

For 2025, the championship featured a total of six rounds across three classes: Iberian SuperCars, the Portuguese CPV (Campeonato de Portugal de Velocidade), and SuperCars España.^[6]

During the 2026 season, three championships are contested within the Supercars Endurance Series: the Iberian Supercars, the Campeonato de Portugal de Velocidade (CPV), and Supercars España. The logos of the championships are shown below.

• Logos of the championships
• 
  The logo of the Supercars Endurance Series
• 
  The logo of the Iberian Supercars
• 
  The logo of the Campeonato de Portugal de Velocidade (CPV)
• 
  The logo of Supercars España
• 
  The logo of Race Ready Historic & GT Racing, the organizers of the Supercars Endurance Series

All races of the 2025 season were broadcast live on DAZN Spain & Portugal for free with Spanish commentary. In addition, there was an English live stream on the YouTube channels of Alpha Live and the organizer Race Ready. Motorsport Television Deutschland also streamed the races on their YouTube channel with German commentary. The Italian outlet Parc Ferme TV broadcast the races with Italian commentary.

Where the races of the 2026 season will be streamed is still unclear.

Each race weekend follows the format:^[7]

• Optional free/private practice sessions of 40 or 60 minutes maximum.
• Two 15-minute qualifying sessions (Driver 1 participates in Q1, Driver 2 participates in Q2).
• Two 45-minute races, with a mandatory pit stop for the driver change between minutes 20 and 30 of the race (Driver 1 starts Race 1, Driver 2 starts Race 2).
• Handicap system based on extra pit stop time, applied to the top 3 finishers of the previous race (10, 5, and 3 seconds).

The three championships are divided into the following divisions and trophies:

• GT4: GT4 Pro, GT4 Bronze and GT4 Am
• GTC: GTX and GT Cup
• Touring Cars: TCR and TC

Scoring system:

• The worst result of the first six races is discarded.