28 from 18 nations were the competitors in Richard Petty Motorsports . 12 (from 4 confederations) were the number of teams who competed in Richard Petty Motorsports . 1871; 148 years ago (1871) is when Richard Petty Motorsports was founded  . The official site of Richard Petty Motorsports is www.hardrock100.com . 29 July – 11 August 1984 was when it was held . The venue for Richard Petty Motorsports was Pauley Pavilion . The no. of events in sport was 18
The sport Richard Petty Motorsports had 28 contestants 