For more information on affiliated endurance and competitive trail riding organizations, please check out:
American Endurance Riders Conference aerc.org
United States Equestrian Federation www.usef.org/_IFrames/breedsDisciplines/discipline/allEndurance.aspx
Southeast Endurance Riders Association (SERA) www.seraonline.org
Southeastern Distance Riders Association (SEDRA) www.distanceriding.org
Federation Equestrian International (FEI) www.fei.org
Arabian Horse Association (AHA) www.arabianhorses.org and AHA Region 12 www.aharegion12.com
Endurance World http://www.endurance-world.com