2021 Algarve motorcycle Grand Prix

The 2021 Algarve motorcycle Grand Prix (officially known as the Grande Prémio Brembo do Algarve) was the seventeenth round of the 2021 Grand Prix motorcycle racing season. It was introduced as a response to the COVID-19 pandemic and was held at the Algarve International Circuit in Portimão on 7 November 2021.

In the MotoGP class, Ducati secured its second consecutive Constructors' Championship.

In the Moto3 class, Pedro Acosta won the Riders' Championship after main title rival Dennis Foggia crashed on the last lap after being hit by Darryn Binder. Acosta became the first rookie rider to win a World Championship since Loris Capirossi who won the 125cc championship in. Acosta is also the second youngest rider ever to win a world championship, just one day older than Capirossi.

MotoGP
The race, scheduled to be run for 25 laps, was red-flagged after 23 full laps due to an accident involving Iker Lecuona and Miguel Oliveira.

Moto3

 * Gabriel Rodrigo withdrew from the event after Friday practice due to persistent shoulder pain.

Championship standings after the race
Below are the standings for the top five riders, constructors, and teams after the round.

MotoGP

 * Riders' Championship standings


 * Constructors' Championship standings


 * Teams' Championship standings

Moto2

 * Riders' Championship standings


 * Constructors' Championship standings


 * Teams' Championship standings

Moto3

 * Riders' Championship standings


 * Constructors' Championship standings


 * Teams' Championship standings