Red Bull's caffeine-injected Air Race thrillfest is coming to Detroit/Windsor this weekend for round 3 of the 2009 season. With a course set along the Detroit River, it promises to be a Planelopnik-packed weekend. Here's a preview.

We'll let Red Bull Air Race commenter, Nick Fellows and former Air Race pilot, Steve Jones explain the course and the obstacles the daring Red Bull pilots will face this year.

Image credit: Flickr [via Red Bull]