July 4th of 1990, the National Endurance Driving Association (NEDA) was formed at a drive in Grass Valley, California. NEDA is administrated by Cliff and Kathy Lewis. There is a board of advisors who assist in planning, sanctioning and scheduling NEDA events. Silver Springs, Nevada.

Pacific Northwest Endurance Rides, Inc. (PNER) is an organization composed of people interested in endurance riding in this region. As of July, 2003, PNER had over 600 active members. Membership in PNER offers fun, social, competitive, and educational benefits.

The Club was founded in 1982 under the name of Highland Long Distance Riding Club. The name of the Club was subsequently changed to the Scottish Endurance Riding Club (SERC). Endurance Riding can be enjoyed at any level. Any horse or pony, which is fit, healthy, and sound can successfully take part in “shorter” long distance rides.

TADRA is an Arabian horse distance riding club chartered by Arabian Horse Association (AHA). We promote Endurance riding, Limited Distance riding and Competitive Trail riding. As a regional distance ride club, our membership area covers TX, OK, KS, MO, AR and LA. We have 3 membership classes. Regular AHA, Junior AHA and Associate (no AHA).

British Eventing is the governing body for Eventing in Great Britain and regulates the sport as well as organising and scheduling many events throughout the country. Site offers information on membership, team and event news, a list of accredited British eventing trainers, history of eventing, and much more.

IDCTA is a not-for-profit, educational and social organization whose purpose is to represent its membership in national equestrian groups and provide a unified voice to further causes of interest to it members. It is an associate member of theUnited States Eventing Association (USEA) and the United States Dressage Federation (USDF)

The U.S. Eventing Association is committed to the development of the sport of Eventing by providing its members with competitions that are enjoyable, educational, fair and affordable. The US Eventing Association is a 501C3, not-for-profit organization, established for its educational and promotional endeavors.

An equestrian youth organization in Jefferson County, Colorado for ages 9 to 19 maintaining several drill teams based upon level and expertice of riding. Membership information, news, events, kid's corner, and teams.

Based in New Zealand. AWEC hold Endurance and CTR rides every month in the Woodhill Forest. Info on Endurance and Competitive Trail Riding horse riding in New Zealand.

Endurance Riding in South Africa is overseen by the Endurance Ride Association, a non-profit organisation. The Association has a Council (elected and appointed members. all unpaid volunteers) who meet regularly to discuss issues of importance to the sport. The Association is affiliated with the SA National Equestrian Federation.