Multisport 101
Triathlon, duathlon, aquathlon, winter triathlon. Welcome to Multisport 101, your online resource for everything you wanted to know about the world of endurance sports. What is multisport? Swimming, cycling, running. Put them together in a variety of combinations and you have multisport. In this section, you will find out more about the variety of sports that USA Triathlon supports and you will learn how you can get involved in the community of multisport.

Getting Started
You may have seen an ad for a local triathlon or watched a major event on TV, a friend or family member may have even competed and you're curious about their experience. Regardless of how you were exposed to the world of multi-sport, you are interested in learning more and want to know the next step to take to become a part of the multi-sport community. Why not join USAT?
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Join USAT
Join USA Triathlon today and start living the multisport lifestyle. Join online and have instant access to your temporary membership card, benefits, and rankings. If you've already competed in a USAT-sanctioned triathlon, find out how you can apply the one-day fee you paid toward a yearly membership.
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History of Sport
What started as off-beat training exercises for runners, has evolved into one of the fastest growing sports in the world. The first known swim/bike/run triathlons were held at San Diego’s (Calif.) Mission Bay in 1974. One athlete who raced at the first Mission Bay Triathlon, John Collins, took the triathlon concept to Hawaii and used it several years later to combine three of Oahu’s endurance events – the Waikiki Rough Water Swim, the Around-Oahu Bike Ride and the Honolulu Marathon – into one race: the Ironman.
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Sports
Triathlon, Duathlon, Aquathlon, Winter Triathlon. Wondering what sport best matches your interest and skills? Find out more about the sports that USA Triathlon is involved with throughout the country.
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Etiquette
The next time someone blows by you on their $6000 aero carbon fiber rocket ship bike or swims over the top of you like they are wrestling an alligator, smile and say, “Thank you have a great day!”
While that may be a difficult thing to do in reality, there are some things you can do in terms of etiquette and sportsmanship to ensure that you and your fellow competitors have a great race or training day.
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Training
Looking to take your performance to the next level or just looking for some tips to help you get to the starting line? USA Triathlon Certified Coaches have written numerous articles and how-tos designed for the beginning to the advanced multisport athlete.
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Racing Tips
Okay, you've been training for months and you are feeling pretty fit, now what? It's time to test your skills on the racecourse. But you still may have some concerns about how you will do in a race. In this section USA Triathlon's Certified Coaches offer their advice and expertise to help guide you through your event.
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Rules
USA Triathlon has issued a set of rules to maintain consistency and order from race to race across the country. The rules include sections on membership, and rules of conduct for swimming, cycling, running, and transition. Also included are special sections on protests, hearings and appeals, and rules modifications for physically challenged athletes.
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Regions
Our country is divided into 10 Regional Federations that provide benefits to multisport athletes on a local level. The primary objective of a Regional Federation is to assist in the development and growth of the multisport lifestyle within the designated states of the region.
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Clubs
Whether you are looking to join a club or looking to start a club, USA Triathlon has the resources you are looking for. USA Triathlon actively promotes clubs to potential members and works to create new programs to encourage activity throughout the club system.
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FAQ
Have a specific concern you need addressed and don't know where to look? We have put together lists of frequently asked questions, arranged by department, that hopefully will give you the answer you need.
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Resources
Looking for the latest news and trends in multisport? Check out these useful online resources to keep ahead of the game.
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Contact Info
Have a question you need answered by USA Triathlon or do you need to contact someone at the National Office? View our list of departments and staff members.
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