A triathlon is seen as a multi-sport event. Participants in a triathlon are mandated to finish three sequential and continuous events of endurance. The three events that are incorporated into a triathlon are swimming, cycling and running. The Sprint distance involves 750 meters of swimming, 20 kilometers of cycling, and 5 kilometers of running. The Intermediate distance involves 1.5 kilometers of swimming, 40 kilometers of cycling and a 10 kilometer run. The Long Course distance involves 1.9 kilometers of swimming, 90 kilometers of cycling and a 21.1 kilometers run. The Ultra Distance also known as an Ironman triathlon involves 3.8 kilometers of swimming, 180 kilometers of cycling and a 42.2 kilometer run.
Swimming
U.S. Masters Swimming: A large collection of training articles from U.S. Masters Swimming.
Swim Smooth: Animations, tips, and articles to improve swimming technique.
Help for Novice Swimmers: Tons of tips and practice workouts for novice swimmers.
Open Water Swimming: This website features information for triathletes on open-water swimming.
Fear: This website discusses how triathletes can overcome their fear of swimming in open water.
Beginner Triathlete: Good information and resources on the swimming leg for beginner triathletes.
Triathlon Swimming: Five keys to the swimming leg of a triathlon.
Swimming World Magazine: Technique tips for the different strokes.
Swimming Suggestions (PDF): This website provides advice on how swimming is mainly about technique.
Swim Position (PDF): This website explores how the positioning of swimming during a triathlon can affect the final results.
Cycling
Cycling Performance Tips: Offers tips on nutrition, training, equipment and more.
Five Common Cycling Mistakes: Shares advice on common cycling mistakes made by beginners.
Perfect Pedal Stroke: Information on proper cycling technique to maximize energy from each revolution.
EnCYCLINGpedia: Articles on racing, training and other tips from USA Cycling.
Improvement: This website features tips to make cyclists improve their time.
Amateur Endurance: Articles on a variety of cycling topics.
How to Cycle in a Triathlon: This website examines how a person can stay in good form while cycling in a triathlon.
Cycling Drills: Four drills for better cycling and also a bike pace chart so you can get an idea of the amount of time it will take to complete the bike leg of a triathlon.
Bike Workouts: Four one-hour bike workouts to help train to the biking leg of a triathlon.
Triathlon Cycling Advice: Offers tips for beginners, safety, parts, training and more.
Running
100 Running Tips For Beginners: Offers tips on apparel, nutrition, training, racing and more.
Runner's World: Offers articles on a variety of training related topics. There is also a triathlon training page with information on the other legs as well.
Tips for Running Safely: This website presents tips for people on how to run safely.
Technique Drills For Better Running: Offers five drills to help improve running form.
Run the Planet: Tips for training and racing. Be sure to check out the running in a triathlon page too.
Fundamentals: This website introduces people to the basics of running properly.
Run Workouts for Triathletes: Has a workout schedule for preparing for long runs.
Race Performance: This website provides information on how runners can maximize their race performance.
The Final Leg: Offers tips for the running leg of triathlons.
Triathlon Running Tips: This website features tips for runners in triathlons, including common sense approaches to different programs.
Triathlons
Trifind Website: This website allows one to locate triathlons in different states.
Trifind.net Website: This is another website that allows a person to find triathlons in the state of his or her choosing.
Willow Creek Triathlon Website: This website is the official website for a triathlon that benefits veterans who are crippled.
Triathlon Competitor Website: This website is the planet’s leading resource for triathlon event news.
Active Website: This website features a search result list of upcoming triathlons.
Ironman Mexico Website: This website offers information on the Mexican triathlon that is held in September.
Las Vegas Triathlon Information: This website presents information on the 13th annual Las Vegas triathlon.
She Rox Triathlon Website: This website is the official website for a women’s triathlon event that will start in 2011.
L.A. Triathlon Website: This website is the official website of the L.A. triathlon event.
Ironman Austin Website: This website offers information on the Ironman Austin event.