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Triathlon - Wikipedia, the free encyclopedia
A triathlon is a multiple-stage competition involving the completion of three continuous and sequential endurance disciplines. While many variations of the sport exist, triathlon, in its most popular form, involves swimming, cycling, and running in immediate succession over various distances.
https://en.wikipedia.org/wiki/Triathlon
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USA Triathalon
USA Triathlon sanctions over 4,300 events each year. Find an event near you by searching the calendar. For webinars, conferences, clinics, and other USA Triathlon non-race events, visit the USA Triathlon Calendar page.
https://www.teamusa.org/usa-triathlon/events/sanctioned
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Triathlon - Triathlon Events & Races - ACTIVE
Triathlon is one of the fastest-growing sports out there and this is the perfect place to sign up for triathlon races and events near you.
http://www.active.com/triathlon
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The American Triathlon Calendar
The American triathlon calendar by states.
http://www.trifind.com
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The Official Triathlon Resource
The official triathlon resource. Triathlon event information, news, results, rankings, rules, education, and more from the International Triathlon Union.
http://www.triathlon.org
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World Triathlon Series
At the ITU World Triathlon Series, the world's fastest triathletes travel to iconic cities to compete head-to-head in Standard and Sprint distance races for a chance to be crowned World Champion.
http://wts.triathlon.org
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Ironman
You'll become part of the IRONMAN family and gain exclusive access to global IRONMAN events, where you can follow friends and family members who are racing, track your favorite pros, and keep up with all the race-day coverage, such as photos, videos and our live blog.
http://www.ironman.com/#axzz3gBIXjy8p
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Ironman 70.3
Race in one of triathlon's main hubs, with its downtown college scene and mountain culture.
http://www.ironman.com/triathlon/events/americas/ironman-70.3/boulder.aspx#axzz3gBIXjy8p
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Ultra Triathlon
Welcome to the USA Ultra Triathlon Website.
http://www.usaultratri.com
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Summer Olympics
The official page of the Olympic triathlon.
http://www.olympic.org/triathlon