The Jockey Club
- Regulates horseracing in Great Britain, owns and operates thirteen racecourses, manages the Newmarket training grounds, and raises and manages charitable funds for horseracing in the UK.
- http://www.thejockeyclub.co.uk/

PETA: End the Suffering of Dogs in the Iditarod
- Activism site campaigning against sponsorship of the race.
- http://www.peta.org/feat/sled/index.html

GreyhoundRacingSucks.com
- Personal page dedicated to trying to end greyhound racing.
- http://www.greyhoundracingsucks.com

Australian Racing Industry Welfare Guidelines
- Adapted from recommendations by the International Group of Specialist Racing Veterinarians, these guidelines cover all aspects of racing, from the initial preparation of horses to their retirement.
- http://www.racingnsw.com.au/page.asp?parm=vet.WELFAREGUIDELINES

Grey2K USA
- A national organization dedicated to ending greyhound racing. Provides contacts, reasons for their motivation, news items, membership details, volunteer opportunities, and upcoming events.
- http://www.grey2kusa.org/