- AARG - Atlanta Adventure Racing Group - Other racers to train with around Atlanta.
- Alberta Adventure Racing Club - The group is an informal collection of people who are interested in outdoor activites. This is meant to provide a venue for people to exchange information and ideas. Anyone who decides to participate in outdoor activities does so on their own responsibility.
- ARAUKI - Adventure Racing Association of the UK and Ireland. Promotes the sport of adventure racing and provides a host of facilities for adventure racing enthusiasts
- Atlanta TrailBlazers Adventure Racing Club - USA based club in Georgia. Monthly meetings and training. Resources for finding teammates, race calendar and adventure racing tips. Message board together with links to other sites.
- Colorado Front Range Outdoor Groupies (FROG) - Adventure Racing and Outdoors club for the Front Range of Colorado - based in Colorado Springs. Training, Team Building, Club Activities, E-Mail List.
- Frontier Adventure Racing - (Club F.A.R.) Toronto-based, founded by members of Team Subaru Outback, they are educating new racers about this growing extreme sport.
- Greater Toronto Online Adventure Racing - Greater Toronto Online Adventure Racing community. It's a place to discuss your race victories (or DNFs), find team members, learn about the latest gear, see how others train and find out about upcoming adventure racing events.
- Hall Dunnerdale Harriers, Triathlon, Lake District, UK - Hall Dunnerdale Harriers, Triathlon, Lake District, UK, Athletics, Orienteering, Club
- Houston Adventure Racing Team, Inc. - Introducing adventure racing to the Houston area, providing information on gear, training, racing calendar, photographs and coming soon a team builder section.
- Indiana Circle of Adventure Racers - A local group in Indianapolis, supporting the sport of Adventure Racing, with news, race calendar, information, reports and links
- Irish Adventure Racing - The home site of the Irish Adventure Racing Squad.
- Louisiana Adventure Racing Web site - Provides information on adventure races, nutrition, equipment, training, events, team finder newsletter and chat.
- Merseyventure - Adventure racing in the UK, Three Peaks guide, links, forum, gallery, routes and maps for outdoor activities.
- Mongrels Adventure Racing Club - An introduction to Adventure Racing, ideas for how to get started and information about how the club can help you. training and gear articles and race reports.
- Nashville Adventure Racers - News, schedules, events, a message board, and contacts.
- New Mexico Adventure Racing Club - NMARC formed in 2004 to foster the knowledge and skills among our club, from beginners to advanced racers, to successfully participate in the growing sport of Adventure Racing.
- New York Adventure Racing Association - The New York Adventure Racing Association (NYARA) is a not-for-profit organization working to promote, organize, and foster adventure racing and racers in the greater Metro New York area.
- Pacific Northwest Adventure Racing (PNWAR) - "Building Adventure Racing in the Pacific Northwest" Adventure race information Community forum Pacific Northwest AR teams NW Event Calendar
- PDX Adventure Racer (Portland, OR) - We provide our members a resource for teammate finding, knowledge, skills, tips and tricks, training, gear discounts and benefits, and general socialization. We are a free club with several hundred members all dedicated to the sport of Adventure Racing.
- South Carolina Adventure Racing Association - A non proft association formed to promote the sport of adventure racing in South Carolina and provide resources to new and experienced adventure racers.
- Southern California Adventure Racing Buddies - SCARAB is a club for Southern California adventure racers of all levels to meet teammates, train together, and share information.
- Southern Michigan Adventure Club - The Southern Michigan Adventure Club (SMAC) was formed in July 2000 to promote the sport of adventure racing throughout Southern Michigan and beyond.
- Southern Spiders ARC - One of the first British adventure racing clubs based in southern England. Offers members a chance to meet other like minded persons to form teams to race locally and abroad.
- The New England Adventure Racing Association - Features news, calendar, photos, race results, and related links.
- United States Adventure Racing Association (USARA) - Official site of governing body of adventure racing in the US. Provides race info, results, listserv, email forum, Adventure World magazine, membership form and benefits.
- WeCeFar Adventure Racing Club - A non-profit membership organization dedicated to sharing and promoting the adventure racing experience. WeCeFAR holds club races, skills clinics, and organizes workouts in the Tampa/St. Petersburg area
- Wisconsin Adventure Racing Society - Events include orienteering, on and off road biking, canoeing, trekking, and land navigation.
- Woodbridge Adventure Racers - Woodbridge Virginia Adventure Racers offers events calendar, training opportunties, message board and photographs.