Arabian Horse Distance Riding Association
- Works to promote and encourage the use of the Arabian Horse in the sports of Endurance, Competitive Trail Riding, and pleasure trail, and to help inform distance riders across the various regions of the United States about scheduled distance events, inclu
- http://www.ahdra1.com/

South Eastern Distance Riding Association (SEDRA)
- Organization dedicated to the distance sports of endurance, competitive trail riding, and competitive driving in the southeast. Information, membership application, and schedule of events.
- http://www.distanceriding.com

Great Lakes Distance Riding Association
- Information on the club, mileage standings, upcoming rides and past results, and informational links. Michigan.
- http://www.gldra.org

Upper Midwest Endurance and Competitive Rides Association
- A distance riding organization which sanctions AERC endurance and competitive rides throughout the Midwest United States. Information on the association, rides calendar, results, points standings, and links.
- http://www.umecra.com/

Ride and Tie Association
- Two people, one horse, and one tough race. Official homepage explaining the unique sport of Ride and Tie, including information for the competitor, FAQ, races, results, and the annual Ride and Tie Championship and Invitational.
- http://www.rideandtie.org/

Redwood Empire Endurance Riders Club
- Based in Humboldt County in northern California. Promotes several endurance rides annually on the north coast.
- http://www.redwoodendurance.org/

Ozark Country Endurance Riders
- Sanctions AERC sanctioned endurance rides in Missouri, Kansas, Oklahoma and Northern Arkansas. Membership information, monthly newsletter, rides calendar, and year end awards program.
- http://ciwtrailers.com/ozark.htm

Gold Country Endurance Riders Club
- Promoting the sport of endurance riding in California. Information on upcoming sanctioned and regular endurance rides, membership application, bylaws, scrapbooks, newsletter, and links to other endurance sites.
- http://www.gcer.org

AERC Central Region
- Part of the American Endurance Ride Conference, this region includes Texas, Oklahoma, Louisiana, Missouri, Arkansas and Kansas, and the three distance riding organizations, Texas Endurance Riders Association (TERA), Ozark Country Endurance Riders (OCER)
- http://www.aerccentralregion.org/

Texas Arabian Distance Riders Association
- International Arabian Horse Association affilated club promoting endurance, limited distance and competitive trail riding.
- http://www.tadra.org

USA East Endurance
- Part of the American Endurance Ride Council, this region includes the states residing in the eastern time zone. Hosts of the 2001 Pan American Championship Endurance Ride.
- http://www.usa-east.org/

Pacific Northwest Endurance Rides
- Promoting endurance riding in the northwestern United States and British Columbia, Canada. Includes ride calendar for PNER and EARC, results, forms, rules, teams, bulletin board, and links.
- http://www.endurance.net/organizations/PNER/

Nevada All-State Trail Riders
- A non-profit organization formed in 1968 for the purpose of preserving historical trails in Nevada by sponsoring and promoting competitive and recreational horse back riding on these trails. Listing of upcoming endurance rides including the NSTAR 25/50/75
- http://www.nastr.org

Southeastern Association of Trail Riders
- Endurance and Competitive Distance ride club located in southeastern Virginia. Information on membership, upcoming rides calendar, newsletter, mileage standings, awards, and links.
- http://www.seat-va.org/