Longtime racer finds success in Touring 4 in a 12-year-old RX-8 Don Knowles has a long and storied history in production-based sports car racing. A six-time SCCA national champion, he also has a number of wins in professional racing, mostly in the Escort Endurance Series. Knowles holds the world record...

Bart Wolf is our pick for the person most likely to take the Sports 2000 SCCA National Championship. (Photo by Dennis Wood) Who Will Win, part 1 The 2013 SCCA National Championship Runoffs marks a significant milestone, as the Sports Car Club of America celebrates the 50th running of its...