Portugal's history with the motorcycle Grand Prix is unconventional. The country hosted its first Grand Prix in 1987, but neither of its first two editions took place on Portuguese soil. The 1987 race, held under the title Gran Premio Marlboro de Portugal, was staged at the Jarama circuit in Spain because the Circuito do Estoril was not yet approved for motorcycle racing. The 1988 edition followed at the Jerez circuit, also in Spain, named EXPO '92 in reference to the Seville world exposition. This makes Portugal the only country to have hosted multiple Grands Prix under its flag while using circuits in another nation.
The race moved to Portuguese soil in 2000 when the Estoril Circuit was homologated for international motorcycle racing. The Grande Premio Marlboro de Portugal ran at Estoril from 2000 to 2004 and continued under changing sponsor names through 2012. The Estoril circuit, located near Lisbon on the Atlantic coast, provided a dramatic backdrop with its challenging layout. The event ended at Estoril after 2012 when an agreement between the circuit owners and the Portuguese government could not be renewed, and the race was dropped from the 2013 calendar in favour of the new Circuit of the Americas in the United States.
The Portuguese Grand Prix returned in 2020 as the season finale of an altered calendar shaped by the COVID-19 pandemic. The chosen venue was the Algarve International Circuit at Portimão, which had served as a reserve circuit since 2017. The 2020 race was held without spectators after public health concerns arose from the Formula 1 race at the same venue held one month earlier, where social distancing protocols had not been maintained.
The Portimão round proved an immediate success in sporting terms. The circuit's dramatic elevation changes, blind crests, and flowing medium-high speed corners provide a visually spectacular race and a unique technical challenge. The race returned in 2021 as the third round of the season and again in 2022. From 2023 the Portuguese Grand Prix became the season-opening event, held in late March.
The Algarve International Circuit is located near the coastal town of Portimão in the Algarve region of southern Portugal. Its undulating layout incorporates significant changes in elevation that distinguish it from flat contemporary circuits and produce dramatic television imagery. The circuit demands exceptional chassis balance and rider adaptability, with commitment required through blind corners where the exit point cannot be seen from the entry. It has quickly become a favourite among riders for its technical demands and rewarding character.
In the 2024 season, Portugal hosted its first MotoE World Championship race at Portimão, making it the eighth country to host a MotoE World Championship event. The combination of the premier MotoGP class and the all-electric MotoE category demonstrated the circuit's versatility and its growing importance to the championship.
Sponsor names at Portimão have included MEO (2020), 888 (2021), and Tissot (2022–2024). The event was titled Qatar Airways Grand Prix of Portugal for 2025 and Repsol Grand Prix of Portugal for 2026.
Portimão's rapid rise to prominence since 2020 reflects the quality of both the circuit and the racing it produces. Its blend of natural drama, technical challenge, and scenic southern European setting has made the Portuguese motorcycle Grand Prix one of the most anticipated rounds on the modern MotoGP calendar, closing the long gap since the Estoril era with a venue of comparable prestige.