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Customer Service
Email: webmaster@ussx.com

MGM Grand Questions:
800.929.1111

Ticketmaster Inquiries:
702-474-4000

Website Problems:
webmaster@ussx.com

Public Relations/Credentials:
Denny Hartwig

Amateur Arenacross Invitations/Application Kits All registration packets have been sent! For further information please contact lbeatty@feldinc.com

Mailing Address:
Feld Motor Sports 4255 Meridian Parkway Aurora, IL 60504