National Speedway Directory and Track Guide Announce Support of Tire Rack One Lap of America

NSD announces its coverage of the 2011 One Lap of America Race.

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Track Guide iPhone App Launched for Motorsports Fans

National Speedway Directory announces the arrival of TRACK GUIDE, a new iPhone app for the motorsports industry. Available in the iPhone App Store, race fans, teams, and owners have a complete listing of over 1,350 race tracks in the palm of their hand.

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