United States
- Alabama 10
- Alaska 5
- Arizona 18
- Arkansas 3
- California 58
- Colorado 18
- Connecticut 10
- Delaware 2
- District of Columbia
- Florida 42
- Georgia 11
- Hawaii 3
- Idaho 13
- Illinois 21
- Indiana 19
- Iowa 17
- Kansas 7
- Kentucky 12
- Louisiana 6
- Maine 5
- Maryland 15
- Massachusetts 15
- Michigan 21
- Minnesota 19
- Mississippi 6
- Missouri 4
- Montana 4
- Nebraska 3
- Nevada 2
- New Hampshire 4
- New Jersey 15
- New Mexico 4
- New York 47
- North Carolina 28
- North Dakota
- Ohio 20
- Oklahoma 6
- Oregon 7
- Pennsylvania 20
- Puerto Rico 2
- Rhode Island 2
- South Carolina 10
- South Dakota 2
- Tennessee 15
- Texas 47
- Utah 12
- Vermont 2
- Virginia 32
- Washington 18
- West Virginia 2
- Wisconsin 19
- Wyoming 3
Triathlon Calendar United States 2026-2027
Monthly updates for United States
Get new running races (and updates) in your inbox every month.
Explore the best triathlons in the United States for 2026-2027! Our updated list features 680 exciting races across the country. Find your next race in the United States below and join the running community at these great events!
September 2026
A sprint triathlon in Lake Orion with an open water swim, 12.4 mile mixed-terrain bike and a 5K trail run on September 13, 2026. Registration opens October 21, 2025 and entries are capped at 100 participants.
A short-course triathlon in Knoxville on September 13, 2026, featuring a 100 yard swim, about a 5.3 mile bike and a 4 km run, with individual and two or three person relay divisions and multiple age and weight classes.
Lake-based triathlon in Fort Worth offering sprint and super sprint distances with chip timing and USA Triathlon sanction.
Multi-sport event at Sandy Creek Park in Athens offering sprint distance swim bike run, aquabike, and duathlon formats on September 13 2026. A sprint relay option allows teams of two or three.
A multi-format triathlon at Foster Memorial Town Beach in Sag Harbor on September 13, 2026, featuring an Olympic course with a 1.5K swim, 23.8 mile bike and 10K run, plus Super Sprint, Aquabike, relay and BikeRun options.
Sprint triathlon at Square Lake Park in Stillwater MN with a 0.5 mile swim, 18.5 mile bike and 3.1 mile run plus post race barbecue and awards.
A multisport festival at Hueston Woods State Park Beach on September 13, 2026 offering triathlons, duathlons, aquabikes, aquathlons, open swims and open runs with event tees, finisher medals and a catered post race meal.
Multi-event sprint tri at Typhoon Texas in Katy on September 13, 2026 offering sprint tri, RunBikeRun, RunSwim, 400-yard swim and a 5K run.
A sprint triathlon at George Wyth State Park featuring a 500 meter swim, 16.5 mile bike and 5K run, with individual, relay and swim only options supporting the Family YMCA of Black Hawk County.
A USAT sanctioned sprint at Trane Technologies Campus in Davidson NC featuring a 750 meter swim, 12.7 mile bike and 5K run. Multiple categories include age group, novice, relay and aquabike options.
A coastal IRONMAN 70.3 in Santa Cruz with a 1.2 mile ocean swim, a 56 mile bike on Highway 1 and a flat half marathon finishing on the beach.
Full-distance IRONMAN in Madison featuring a lake swim, rolling bike course and hilly run that finishes at the Wisconsin State Capitol and serves as a 2027 Worlds qualifier.
Experience a premier women's triathlon in Hopkinton featuring a swim, bike and run. This event offers individual and relay categories with a capped participant field for an focused racing atmosphere.
Experience a multisport challenge at Shaver Lake with triathlon, duathlon, and running events held at Camp Edison. Enjoy hilly bike routes and scenic trail runs followed by a tri tip lunch and finisher celebrations.
Join the final event of the series at Clermont Waterfront Park featuring Triathlons, Duathlons, and 5K runs. Experience the Kraken themed race with new double distance challenges and relays along scenic Lake Minneola.
Experience a flat and fast multi sport event at the scenic Public Landing in Snow Hill. Choose from triathlon, duathlon, or aquabike formats featuring a beach swim and a straight bike course.
A multisport race day at Mary Barness Community Pool on September 13, 2026 offering triathlon, duathlon, relays and Aquavelo with pool swims and a 10 mile bike leg; registration is digital only and USAT membership is required.
Experience a multisport festival at DeGray Lake Resort State Park featuring triathlon, duathlon, and aquabike events. Choose between Olympic and Sprint distances set against the scenic backdrop of the Caddo River and Ouachita mountains.
Experience a USAT sprint triathlon at The Boulders at Lake Tyler. This event features a 650 meter swim, a 13 mile bike ride, and a 5k run available for individuals or relay teams.
Join this USAT sanctioned multisport event in Lexington featuring triathlon, duathlon, and aqua-bike options. Cycle through scenic horse country and enjoy a swim in a heated outdoor pool at Spindletop Hall.