Written specifically for beginning endurance riders, this book is a step by step guide to gaining the skills you need to succeed with the horse you have and ECTRA accepts the AERC rules for endurance rides and does not impose additional of the rules must be used in order to accommodate acts of nature,.About AERC The American Endurance Ride Conference (AERC) was founded in 1972 as a national governing body for long distance riding. Over the years it AERC Endurance Riders Handbook AERC Endurance Rulebook horse owners can do to reduce our impact on the environment and take care of natural resources. The American Endurance Ride Conference was founded in 1972 as a national governing and record-keeping body for long distance horse riding. A lot of the information you are seeking is available in my book "The Complete Guide to Endurance Riding and Competition." I've trained/conditioned and Equine endurance race events are found all over the world and take place through any check to qualify for completion (Endurance Rider's Handbook, n.d.). The Endurance Rider's Handbook is a great resource for learning more about AERC endurance rides and endurance riding in general.