The circuit's origins date to 1954, when the route was laid out for a treasure hunt through the city streets. Shortly after the event, participants proposed using the same roads for amateur racing. The first motorsport events followed and the venue has hosted racing continuously since, with motorcycle racing added in 1967, establishing the dual-discipline format that defines the Macau Grand Prix weekend to this day.
The circuit layout has remained essentially unchanged since 1957, making it one of the most historically stable racing venues in the world. The only significant infrastructure modification came in 1993, when the pit and paddock complex was relocated. That work also removed a gravel trap near the Reservoir Bend. The entire circuit perimeter is lined with Armco barriers painted in black and yellow stripes, leaving no margin for error.
The Guia Circuit measures 6.120 kilometres in length and is defined by an unusual combination of features rarely found together on any street circuit. Two long straights allow Formula Three cars to reach top speeds of approximately 260 km/h, while the tight Melco Hairpin narrows the track to a width of just seven metres — one of the most constrained points of any top-level racing venue. An elevation variation of more than 30 metres between the highest and lowest points of the lap adds a further dimension that sets it apart from flat street circuits. Together these characteristics — speed, narrowness, elevation, and unrelenting barriers — have made the Guia Circuit a genuine proving ground for car control and race craft.
The circuit hosts the Macau Grand Prix weekend in November each year, encompassing multiple races across categories. Current events include the FIA FR World Cup, the FIA GT World Cup, the FIA F4 World Cup, the TCR World Tour Macau Guia Race, the Macau Motorcycle Grand Prix, the Greater Bay Area GT Cup for GT4 machinery, and the Macau Roadsport Challenge.
Historically the circuit hosted Formula Three racing over many decades, a period that produced some of the sport's most compelling racing and launched the careers of numerous drivers who went on to Formula One. The World Touring Car Championship and its successor the World Touring Car Cup also held rounds at Macau between 2005 and 2019, with those races known as the FIA WTCC Race of Macau and the FIA WTCR Race of Macau respectively. The Asian Touring Car Series visited in multiple seasons between 2000 and 2011. The Porsche Carrera Cup Asia held rounds at the circuit from 2003 to 2007.
The circuit has attracted demonstration runs from Formula One machinery. In 2003, Ralph Firman drove a Jordan EJ13 Formula 1 car as part of the Macau Grand Prix's 50th anniversary celebrations, setting a demonstration lap time of 1:55.714.
Two principal grandstands serve spectators around the circuit: one along the pit straight and one at the Lisboa Bend, which is the circuit's most photogenic corner and a frequent location for overtaking attempts and incidents alike.
The Guia Circuit is represented in multiple racing simulation titles owing to its distinctive character and historical prestige within the motorsport community. Its combination of pure speed and extreme technical demands makes it a benchmark circuit for simulation developers and a popular challenge for sim racers seeking to replicate one of real-world motorsport's most unforgiving environments.