"NEW to 2011: the Rock ‘n’ Roll San Antonio Marathon & ½ Marathon benefiting Susan G. Komen for the Cure® will offer a bike tour for the first time as part of event weekend. The non-timed inaugural Rock ‘n’ Roll Bike Tour will cover 22 miles of the marathon course and take place prior to the full and half marathon race. Don’t miss out on this opportunity to tour San Antonio before the big race!"
Link: S.A. Rock'n'Roll Bike Tour

I just signed up. Anyone else participating?