After a rain and mud delay of a few weeks, the Dirt Derby is back with their second in the weekly Anaerobic Annihilation race tonight out at the Austin/Del Valle Motorcross Park (ADVMX). The B race race starts at 6.30, A race at 7.30.

There is once again booty to be gotten by racing:

Each night you race gives you a chance to win a Surly frame courtesy of The Peddler Bike Shop, and we’re giving out free entries to winners and random participants. So come out and take part in some of the most fun mountain biking in Central Texas.

Check out the Dirt Derby site for more details.