The first races were held in 2009 and 2010 as 1000 Kilometres of Algarve, as part of Le Mans Series calendar.

Since 2017, it is run in 4 hours format, as part of the European Le Mans Series.

The 1000 Kilometres of Algarve was run for the first time in 2009, and was the third round of the Le Mans Series.

[2] For 2011, the Portuguese round of the Le Mans Series used the Autódromo do Estoril instead,[3] and the 1000 km of Algarve hasn't been run since.

In 2017 Portimão took the place of Estoril in the European Le Mans series calendar, in a 4 hour race.