Portimão

The Algarve International Circuit, also known as the Portimão Circuit, is a race track in Portimão, in Portugal's Algarve region. It is 4.653 kilometres long, has 15 corners and runs clockwise. The complex also includes a karting track, an off-road track, a technology park, a hotel and a sports facility. The circuit was designed by the architectural firm of Ricardo Pina. Construction finished in October 2008, and the FIM homologated the track on 11 October 2008, with the FIA following two days later.

On 2 November 2008 the circuit hosted the final round of the World Superbike Championship. A Formula One test with McLaren and Honda was scheduled for 15 to 17 December 2008, and Ferrari also ran at the track. Toyota tested there on 20 January 2009, running its new TF109 for the first time. The GP2 Series held its 2009 season finale at Portimão in September. Because of its almost constant undulation, the circuit resembles the old Nürburgring and Spa-Francorchamps. Drivers in the A1 Grand Prix series remarked that the width of the track makes overtaking easier and that the new asphalt offered little grip.

The circuit reached Formula One through the revised 2020 calendar, reshaped by the COVID-19 pandemic. The Portuguese Grand Prix took place there from 23 to 25 October 2020, the first race of that name since 1996 at Estoril. Portimão hosted it again from 30 April to 2 May 2021. Lewis Hamilton won both races for Mercedes, and neither decided a world championship. No Formula One race was planned at Portimão for 2022.