Data provided by USA Triathlon
- Events
- Calculators
- Running
- Triathlon
Cycling Events
Triathlon Articles
- Fitness
- Sports
Outdoor Events
- Nutrition
Nutrition Articles
Health & Injury Articles
- Kids & Family
10 Biggest Triathlons in the U.S.
Written by
Let the crowds energize you at a major event. From California to the Sunshine State join the fun at these 10 triathlons across the country. Large participant fields promise crowds that are sure to inspire you all the way to the finish line.
Ironman Florida - 2,421 Finishers in 2012
Panama City Beach, Florida - November 2, 2013
1 of 11
Moderate temperatures and a flat course make this one of the most popular Ironman events out there. The downside is that it's one of the more difficult races to get into.
Philadelphia Triathlon - 2,457 Finishers
Philadelphia, Pennsylvania - June 23, 2013
1 of 11
Enjoy racing through some of the most picturesque and historic setions of Philly. Highlights include a swim that goes downstream and a bike course that includes a section of the TD Bank US pro cycling championship race course.
Ironman 70.3 Augusta - 2,672 Finishers
Augusta, Gerogia - September 29, 2013
1 of 11
This Peach State triathlon starts with a 1.2-mile swim in the Savannah River then takes entrants on a one-loop, scenic hilly bike course through Georgia and into South Carolina.
Malibu Triathlon - 2,717 Finishers in 2012
Malibu, California - September 7, 2013
1 of 11
This event helps elevate triathlon's exposure drawing celebrities like Matthew McConaughey, Ryan Sutter and Mario Lopez. There are actually enough A-listers to warrant a celebrity racing category. The Southern California setting nealry guarantees good weather and great scenery. What more could you ask for in a race?
St. Anthony's Triathlon - 3,023 Finishers
St. Petersburg, Florida - April 28, 2013
1 of 11
Head to this Gulf Coast triathlon and grab a few rays with 3,000 of your closest friends.
USA Triathlon Age Group Nationals - 3,042 Finishers in 2012
Milwaukee, Wisconsin - August 10-11, 2013
1 of 11
Participants in the Olympic-distance event must qualify by finishing in the top 33 percent (or among the top five finishers) at a regional championship or special qualifier, or among the top 10 percent at any USAT-sanctioned event. Registration for the sprint race is open. Find out if you have what it takes to race with the best age groupers in the country.
Nation's Triathlon - 3,166 Finishers in 2012
Washington, D.C., September 9, 2013
1 of 11
Challenge yourself in the nation's capital at this triathlon that features a 1.5K swim in the Potomac River, a 40K bike course through D.C. and a 10K run through historical landmarks.
New York City Triathlon - 3,502 Finishers
New York City, New York - July 14, 2013
1 of 11
Join over 3,000 athletes who sign up to brave the waters of the mighty Hudson River before biking along Manhattan's West Side highway and finishing with a run through New York's famed Central Park.
Wildflower Triathlons - 4,761 Finishers
Bradley, California - May 5, 2013
1 of 11
Looking to put your skills to the test? With one of the most challenging courses anywhere, the Wildflower event is one of the premier triathlons in the world.
Chicago Triathlon - 5,303 Finishers in 2012
Chicago, Illinois - August 25, 2013
1 of 11
Add the "Windy City" to your tri calendar with this long-running event that starts in the water of Monroe Harbor and ends with participants running through beautiful downtown Chicago.