- 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.
- Adventure Race - The 2005 Swamp Stomp 24-36 Hour Adventure Race will feature more than $12,000 in cash and prizes.
- Adventure Race Reports - Offers message board with reports, stories and articles. Also features a world wide calendar with links to related sites.
- 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.
- Adventure racing Costa Rica - Adventure racing Costa Rica operates challenging races through Costa Rica. Calendar, adventure training and tips.
- Adventure Racing Zone - Provides news, forum, event calendar, photo galleries, articles, and related links.
- Authentique Adventure - Learn more about one of the founders of adventure racing, Gerard Fusil, plans for the future. The next race is planned for 2005/2007. In the meatime he is organising an annual event in Reunion
- Checkpoint Zero - Adventure Racing news, events, forums, a growing comprehensive directory.
- CITGO/Gray Goat Multisport - Resources bringing athletes together to support both one another and the community for multisport racing. Includes racing Calendar, photographs and results and reports.
- dynamicadventure.co.uk - Company based in Southern England who offer one day events for novice racers. Calendar of events together with race reports.
- Elemenja: Gateway to adventure racing - Elemenja: Gateway to adventure racing information, tips and gear. This provides AR event calendars, training tips, trip reports, gear reviews and gear.
- Euforia Expeditions - Adventure races in Costa Rica - Web site on adventure sports and related expeditions and races in Costa Rica. It includes information on coming events, forums plus tips.
- European Adventure Race Cup - Euroadventure is the first European adventure race cup. Sign up your adventure race or your AR team. Your race can become a part of Euroadventure.net. Includes Team listing forum and advertising opportunities
- Eventrate.com - News and reviews of endurance, ultra and adventure races with product reviews, discussion forums, and training advice.
- 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.
- Gravity Check Florida's Extreme Community - Florida's extreme sport community. For all the latest new and events in adventure racing, mountain biking, rock climbing, and triathlon.
- Hairy Scary Evolutions - Offers information, tips, links, event calendar, and training for individuals and team building oriented to the sport of adventure racing.
- Indiana AR - News and services for adventure racers and multisport enthusiasts in Indiana (USA) and surrounding states.
- Infiterra Sports LLC. - Michigan adventure racing including cycling, canoeing, triathlons, rappelling, climbing, orienteering, and other adventure sports.
- iSportsDigest.com/Adventure Racing - A directory of related sites.
- Odyssey Adventure Racing - Extreme, long and short-distance racing and training provided by the people who have done the races.
- Rattlesnake Racing Texas Adventure Racing - Adventure Racing site with a Texas race calendar, race information and links to other adventure racing sites.
- 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.
- Steel Sports Adventure Racing - Promotes adventure racing in East Texas and Northwest Louisiana. Includes news, events, results, standing, forum, and registration.
- The South African Adventure Racing Site - A site for South African adventure racers, dedicated to news, events, clubs, articles and reports.
- WorldAR - Dedicated to adventure racing and endurance sports. International teammate and race event finder. Training help and information.