United Sports of America was one of the country's premier motorsports promoters.

Russ Cline was one of the founding partners of United Sports of America, the country’s leading presenter of arena and stadium motorsports shows featuring monster trucks, mud racers, tractor pulling and other acts including Robbie Knievel.  The company entertained millions in the United States, Canada and Puerto Rico for more than 14 years, playing more than 1200 event nights each season.

The company managed the following:

  • Venue bookings and lease agreements
  • Talent booking
  • Construction
  • Marketing, Promotion & PR
  • Video production and licensing
  • Event management and production
  • Sponsorship sales


United Sports of America was sold to Live Nation in 1998 and was acquired by Feld Entertainment in 2008.