Active.com: Adventure Racing
   Adventure Racing/Eco-Challenge racing and training information, online registration for national and world-wide adventure races, race coverage, and message boards for adventure racing enthusiasts.
   http://www.active.com/moresports/adventureracing/

Adventure Race Reports
   Offers message board with reports, stories and articles. Also features a world wide calendar with links to related sites.
   http://www.zdap.com/

Adventure Racing Chronicles
   A multimedia site delivering training information for adventure racers. Includes training tips, equipment, nutrition, technical skills, navigation, team dynamics, gear reviews and cost comparison.
   http://www.archronicles.com/

Adventure Racing Zone
   Provides news, forum, event calendar, photo galleries, articles, and related links.
   http://www.adventureracingzone.com

Checkpoint Zero
   Adventure Racing news, events, forums, a growing comprehensive directory.
   http://www.checkpointzero.com

Elemenja: Gateway to Adventure Racing
   AR event calendars, training tips, trip reports, gear reviews and gear.
   http://www.elemenja.com

Full Moon Adventure Company
   Based in Alberta and British Columbia. Our Adventure Racing series offers something for both seasoned and novice racers alike. Choose from a 6, 12 or 36 hour race.
   http://www.fmij.com

Hairy Scary Evolutions
   Offers information, tips, links, event calendar, and training for individuals and team building oriented to the sport of adventure racing.
   http://www.hairyscaryevolutions.com/

Indiana AR
   News and services for adventure racers and multisport enthusiasts in Indiana (USA) and surrounding states.
   http://www.indianaar.com/

Infiterra Sports LLC.
   Michigan adventure racing including cycling, canoeing, triathlons, rappelling, climbing, orienteering, and other adventure sports.
   http://www.infiterrasports.com

Odyssey Adventure Racing
   Extreme, long and short-distance racing and training provided by the people who have done the races.
   http://www.oarevents.com/

Rattlesnake Racing Texas Adventure Racing
   Adventure Racing site with a Texas race calendar, race information and links to other adventure racing sites.
   http://www.rattlesnakeracing.com

SleepMonsters.com
   Worldwide portal with news, events, race reports, calendar, forum, photos, team and racer profiles, and training articles and advice. Also provides special sections for Australia, Canada, United Kingdom, and United States.
   http://www.sleepmonsters.com

The South African Adventure Racing Site
   A site for South African adventure racers, dedicated to news, events, clubs, articles and reports.
   http://www.ar.co.za

baarbd.org - Bay Area Adventure Racing Babes and Dudes
   Adventure racing portal serving Northern California. News, calendar, forums, AR glossary, email list, teams, athletes, races, cross-training, gear and nutrition. Focuses on connecting athletes, race directors and vendors.
   http://www.baarbd.org

dynamicadventure.co.uk
   Company based in Southern England who offer one day events for novice racers. Calendar of events together with race reports.
   http://www.dynamicadventureracing.co.uk/