NASCAR At Darlington Raceway: Carl Edwards On Top As The Track Too Tough To Tame Looms NASCAR hits up the Track Too Tough To Tame for the Showtime Southern 500. Atop the point standings, Carl Edwards is in the midst of the best stretch of his career. The 2011 Sprint Cup Season reaches its ten-race mark this weekend with the Showtime Southern 500 at the Darlington Raceway. The Track Too Tough To Tame is NASCAR’s oldest speedway, pre-dated by only the .527-mile Martinsville Speedway … Read more on SB Nation