2023 Mustang Roundup MCA Regional Judged Mustang Show Online registration for 2023 Mustang Roundup Judged Show (Sat 7/15) is open here (MCAShows.com). 2023 RU signup form – without Preservation Class 1Download 2023-RU-signup-form-without-Preservation-Class-1Download Share this:Click to print (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Reddit (Opens in new window)