Tickets are now available for the ninth-annual U.S. Open at the MGM Grand Garden Arena in Las Vegas October 13-15, 2006. Regarded as one of off-road motorcycling’s premier races, the U.S. Open is the final `major’ race of the motocross season. Ricky Carmichael’s win at last year’s U.S. Open capped of a banner season as he won the World Supercross GP, AMA Supercross Series, 250cc AMA Motocross and the Motocross des Nations titles.Tickets are available for as low as $20 through Ticketmaster.com. Fans can upgrade their weekend experience with the X-Treme Package. X-Treme Packages include premium tickets for all 3 days, U.S. Open t-shirt, hat, and weekend long pit pass. X-Treme Packages are only available through www.ussx.com.Last year Suzuki’s Ricky Carmichael swept both motos in the AMA Supercross class. Yamaha’s Bret Metcalfe, of Murrieta, Calif., won the AMA Supercross Lites U.S. Open championship, winning moto 1 and finishing second in moto 2. Honda’s Andrew Short, of Colorado Springs, Colo., won the second night of racing in the AMA Supercross Lites class. Suzuki’s Blake Wharton, of Pilot Point, Texas, won the overall in the 85cc class.”It has been an unbelievable year for me,” said Carmichael after winning his third U.S. Open championship. “I am really excited for Suzuki, and this is a big night for them. They gave me an opportunity, and we all worked together on this great season.”The ninth-annual U.S. Open is an invite-only indoor off-road motocross race inside the MGM Grand Garden Arena October 13-15, 2006. Reigning champion Ricky Carmichael stages his defense of the title against the world’s top motocross racers competing for the world’s largest single race purse. Invited riders include 13-time AMA National champion Ricky Carmichael, two-time U.S. Open champion Chad Reed (Yamaha), two-time 125cc regional supercross champion James Stewart (Kawasaki), former 125 Western Regional AMA Supercross Series champion Kevin Windham (Honda) and more to be announced after the upcoming Amp’d Mobile World Supercross GP/Amp’d Mobile AMA Supercross Series.Tickets for the 2006 U.S. Open are on-sale now and available through www.ticketmaster.com, by calling 702/474-4000, or at the MGM Grand Garden Arena box office.About Clear Channel EntertainmentClear Channel Entertainment, a leading producer and marketer of live entertainment events is a subsidiary of Clear Channel Communications (NYSE:CCU), a global leader in the out-of-home advertising industry. Clear Channel Entertainment currently owns, operates and/or exclusively books approximately 130 live entertainment venues, including nearly 100 in North America and more than 30 in Europe. Each year, 69 million people attend approximately 32,000 events promoted and/or produced by the company, including live music events; Broadway, West End and touring theatrical shows; family entertainment shows; museum exhibitions, and specialized sports and motor sports events. In addition, the company’s independently operated athlete representation business, SFX, provides management, marketing and financial consulting services to many of the world’s top professional athletes. Clear Channel Entertainment operates throughout North America, Europe, and Australia. More information may be found by visiting www.cc.com and www.clearchannel.com.About AMA Pro RacingAMA Pro Racing is the leading sanctioning body for motorcycle sport in the United States. Its properties include the THQ AMA Supercross Series, the AMA Motocross Championship Presented by FMF, the AMA Superbike Championship Presented by Parts Unlimited, the AMA Ford Quality Checked Flat Track Championship and the AMA Supermoto Championship. For more information about AMA Pro Racing, visit www.amaproracing.com.