PPIR meaning in Sports ?

Pikes Peak International Raceway (PPIR) is a racetrack in the Colorado Springs area within the city limits of Fountain, Colorado, that by October 12, 1997, was "the fastest 1-mile paved oval anywhere". The speedway hosted races in several series including the Indy Racing League and two NASCAR series (Busch and Truck) until operations were suspended from 2005–08. A wide variety of amateur racing groups use PPIR for racing and training as the circuit is now closed to sanctioned professional auto racing due to the purchase of the track by PPIR LLC from NASCAR/ISC in 2008 after the track was put up for sale in 2006. The sale included a clause that prohibited sanctioned professional auto racing, as well as the need for additional safety upgrades at a cost of $1 million+ for professional racing series that the new ownership had no interest in implementing with the clause in place.