International GT Open - Round 1 - PortimãoThe Autódromo Internacional do Algarve, also referred to as Portimão Circuit, is a 4.653 km (2.891 mi) race circuit located in Portimão, Algarve region, Portugal. The development includes a karting track, off-road track, technology park, five-star hotel, sports complex and apartments.The circuit was designed by Ricardo Pina Arquitectos. The construction was finished in October 2008, as part of a public-private development aimed at raising the attractiveness of the region, and the circuit was homologated by both the FIM in October 2008 and the FIA two days later.The circuit resembles old Nürburgring and Spa-Francorchamps, mainly because of its constantly undulating nature. Drivers like it and observe that there are big downhill slopes and right-hand turns after the main straight, and that the track is good for overtaking because of the circuit width.The track has been hosting international series such as ELMS, DTM, WEC, etc. First visit of the International GT Open was in 2010. In 2020 and 2021, during the pandemic period, the track hosted the F.1 GP of Portugal. Since 2020 it is also part of the MotoGP calendar.