RaceRoom - The Game Client

The game is free of charge and only requires you to register as a member here on RaceRoom Online to play.
You will be asked to register as a part of the installation process, if you are not already a member.

The game contains competitive and lifelike AI opponents and a time attack mode with live competitions.
We will run hot-lap competitions at all times over the coming months, cycling through various difficulty, car and track configurations.
Clock a fast lap and win prizes or dominate the leaderboards.

http://www.raceroom.net/games/raceroom-the-game/