Custom races in Assetto Corsa allow players to design their own unique racing experiences. By selecting cars, tracks, weather conditions, and AI opponents, players can create races that suit their preferences. This feature adds variety and replayability, making it ideal for both casual players and competitive racers who want full control over race conditions.
Log in to the Assetto Corsa Server Manager.

From the Home page, select Custom Races.

Click Create a New Custom Race.

Enter your desired settings for the custom race using the options below.
When done, click Save Custom Race.

Press Start under the desired race to launch it.