|With high speed waterfront straights, and tricky elevation shifts, Rio de Janeiro Circuit was built to test even the heartiest of drivers while providing a stunning backdrop to any race. Narrow city streets and tunnels open up to mountain views, it’s easy to get distracted by so much ambience so paying attention to braking zones is important. Gorgeous beaches flash by and, beyond them, the unmistakable thumb-shaped slice of Sugarloaf Mountain rises ahead of you. Behind you, brightly colored favelas dominate the landscape like a box of candy spilling out over the hills. If you had a moment of respite, you could pause to enjoy the view of the outstretched arms of the world-famous Christ the Redeemer statue in the distance. As it stands, however, you’re surrounded by 23 opponents on the tight, winding streets of Rio, and you have a race victory waiting with your name on it…|
— Official description 
Rio de Janeiro, also known as Circuito do Rio de Janeiro, is an environment featured in Forza Motorsport, Forza Motorsport 6, Forza Motorsport 6: Apex, and Forza Motorsport 7. It appears as the showcase track of Forza Motorsport 6.
Based on the real life city of Rio de Janeiro, Circuito do Rio de Janeiro takes racers through coastal roads with a view of the ocean and into the city of Rio de Janeiro, complete with scenic views of the city, Sugarloaf Mountain, and the Christ the Redeemer.
The original Forza Motorsport features a different rendition of Rio de Janeiro, with only 1 layout configuration. Releases since Forza Motorsport 6 have featured 5 track layouts, each having reverse versions:
- Full Circuit
- National Circuit
- Coast Loop
- Mountain Circuit
- Mini Circuit
|Full Circuit (FM)||Full Circuit||National Circuit||Coast Loop||Mountain Circuit||Mini Circuit|
|Distance||2.26 mi (3.64 km)||3.83 mi (6.16 km)||2.84 mi (4.57 km)||1.32 mi (2.13 km)||1.01 mi (1.63 km)||0.68 mi (1.09 km)|
- Going too fast through the straights is not recommended, as many high-speed straights are immediately followed by sudden sharp corners.
- Some of Rio de Janeiro's roads are narrow, making clean racing more difficult.