Grand American Road Racing Association
- Offers news and information on the Rolex Sports Car Series and the Grand-Am Cup Street Stock series. Includes schedule, photos, results, standings, archives, driver details, rules, regulations, and message board.
- http://www.grandamerican.com/

Touring Challenge for Corvettes
- A road racing series specifically designed to provide amateur Corvette racers a forum to compete against one another, at an affordable level on race tracks around the US.
- http://www.tccracing.com/

Sports and Touring Car Racing
- Open to drivers with street prepared cars. Includes driving tips, event schedule, track details, news and rules.
- http://www.satcarracing.com/

Porsche Club GB Motorsport Division
- Porsche Racing in the UK, the Porsche Cup and Porsche Classic Championships. See the racing Calendar, race results, driver profiles and details of the cars.
- http://www.msdpcgb.co.uk/

GT America Stock Car Series
- ASA/NASCAR style road racing stock cars. Races held at tracks throughout the United States.
- http://www.gtamerica.com