20,000 race cars on a single track looks as insane as it sounds

Ever wondered what it looks like to race 20,000 cars on the same race track, all at once? Who hasn't?!

This is the PC racing game "TrackMania," where the same course was played 20,000 times in real life by thousands of people. The data from those playthroughs was pumped through a single level, resulting in the absolute madness you see above.