website introduction：TrainingPeaks is highly recommended by professionals and individuals from around the world for providing the best tools for monitoring, analyzing and planning human performance.
website introduction：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.
website introduction：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.
website introduction：The major organization representing the biathlon worldwide. Includes history, news, events, and a results section.
website introduction：Program for the beginner offering instruction and tips in the swim, bike and run. Includes a discussion group, training logs and many important resources.
website introduction：The official international governing body for the Olympic sport of Triathlon. News, events, results, photos, athlete profiles.
website introduction：Triathletes' resource for online registration for thousands of triathlon events nationwide and internationally, from sprint to ironman distance.
website introduction：Listing of triathlon and multisport events, local and worldwide. Updated daily.
website introduction：Multi-sport magazine bringing news and features on triathlon and duathlon from around the world. Includes information on current issue, forum, and subscription details.
website introduction：Recognized by the International Olympic Committee as the world governing body for the sport. Includes news, rules, competitions, results, links, and a forum.
website introduction：The official governing body of triathlon in the US. Rankings, schedule, merchandise, travel information. Not just for the pros.
website introduction：Includes a club directory, membership information, calendar and results.
website introduction：Promotes and governs triathlon, duathlon and multisport athletes through events, clubs, news, performance, development, and a members only area.
website introduction：Information based source for new triathletes. Featuring an active triathlon discussion forum, articles, variety of specific sections, online coaching services, weight training, heart rate monitoring resources and news.
website introduction：The national governing body for Triathlon in Australia.
website introduction：The World Cup IBU, the history of biathlon center, the Italian team, pictures, and links.
website introduction：Offers several programs to assist triathletes with their swimming from beginning swimmer to elite triathlete. Site also contains articles, tips, local coaches, and a free newsletter.
website introduction：Offers reviews of triathlon training and gear. Also provides local directory, forums, weblogs, news, and race listings.
website introduction：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.
website introduction：An all-inclusive winter training destination for cyclists and triathletes in Tucson, Arizona and Montana. Fully guided, supported training rides.
website introduction：Race results and information for events in the West Midlands.
website introduction：Information on triathlon in the Southeastern US, an online retail catalog, a used bike bulletin board, and a detailed race calendar for selected events.
website introduction：These abstracts interpret research articles for practicing coaches and others interested in applied sport science.
website introduction：A source for duathlon and triathlon races. Race information and schedule, calendar, entry form, results, and links.
website introduction：[Floripa] Official Brazil Triathlon Ironman Site. Description of the course, history, map, photo album from Florianópolis, event structure, register online and email addresses to the organization of the event.