The 2011–12 CONCACAF Champions League Group Stage were played from August to October 2011. The matchdays were August 16–18, August 23–25, September 13–15, September 20–22, September 27–29, and October 18–20, 2011. The draw for the Preliminary Round and the Group Stage was held on May 18, 2011, at the CONCACAF headquarters in New York City. Teams from the same association (excluding "wildcard" teams which replace a team from another association) may not be drawn with each other.