The official site of Ironman racing series, including the World Championship in Hawaii. Some history, training tips, news and the skinny on where to go to qualify for the greatest race of all.

The official international governing body for the Olympic sport of Triathlon. News, events, results, photos, athlete profiles.

Program for the beginner offering instruction and tips in the swim, bike and run. Includes a discussion group, training logs and many important resources.

Community and resource site. Triathlon yellow pages, photos, event listings, club listings, and discussions.

The major organization representing the biathlon worldwide, the site includes history, news, events, and a results section.

Online triathlon magazine with product reviews, a bike fit guide, training tips, and several regular columnists. The editor is Dan Empfield, the founder of Quintana Roo.

Support St. Louis Metro Area triathles with events calendar, training and competitions, message board and members only area.

Personalized triathlon training emphasizing long distance events. Website includes training articles, tips, and triathlete discussion forum.

On-line magazine for long-distance triathlon. Race reports, news, calendars and athlete information.

Official sanctioning body of triathlon, duathlon and multisport events. Site provides race calendar and results, top athletes, photos, links.

Triathlon news, message board and classifieds; powered by Active.

Triathlon news, calendar, race coverage, training tips, forum and links.

Sponsors of the original Off-road triathlon (1.5 km Swim, 30 km Mountain Bike, 11 km Trail Run). Features race calendar, point standings, gear, news and information.

Triathlon and Duathlon race production services. Race directing, set-up, and computerized timing and results. Site also contains race information, results, coaching and nutrition advice.

Promotes and governs triathlon, duathlon and multisport athletes through events, clubs, news, performance, development, and a members only area.

Held in Madison. Features updates, course details, registration information, discussion forum, volunteer and participant information and news, merchandise, and contacts.

Annual Ironman distance triathlon held in Penticton, British Columbia.

Daily triathlon and duathlon news from around the world.

Listing of triathlon and multisport events, local and worldwide. Updated daily.

The official governing body of triathlon in the US. Rankings, schedule, merchandise, travel information. Not just for the pros.

Open to all ability levels. Provides merchandise, a photo gallery, past results, contacts, registration details, and charity information.