American Quarter Horse Youth Racing Program
- Offering AQHA youths a chance to apply to learn about Quarter Horse racing. Photos, application, and information on the program. Sponsored by the American Quarter Horse Association.
- http://www.aqha.com/youth/activities/racingexperience.html

Quarter Racing - Ontario
- Promoting the sport in Ontario, Canada. Information on schedule of races, stakes, rules and regulations, entries, sponsors, and board of directors.
- http://www.qrooi.com/

Great Lakes Quarter Horse Association
- Promoting and encouraging interest and participation in Quarter Horse racing within the State of Michigan. Offers race schedule, nominations, membership.
- http://www.glqha.com/

Pacific Coast Quarter Horse Racing Association
- PCQHRA is a non-profit organization incorporated in 1950 to represent California racing Quarter Horse owners, breeders and trainers. Information on races, membership, awards program, and affiliated links.
- http://www.pcqhra.org/

Louisiana Quarter Horse Breeders Association
- State recognized for breeding and racing accredited Louisiana bred Quarter Horses. Provides breeder awards, stallion awards, purse supplements, yearling sales, futurities and derbys, and three $100,000 LA Champions Day Races.
- http://www.lqhba.com

Iowa Quarter Horse Racing Association
- Source for information including events, stakes races, membership, breeders, and racehorse sales.
- http://www.iqhra.com/index.html