United States
- Alabama 9
- Alaska 4
- Arizona 15
- Arkansas 3
- California 57
- Colorado 15
- Connecticut 4
- Delaware 2
- District of Columbia 1
- Florida 41
- Georgia 8
- Hawaii 4
- Idaho 8
- Illinois 19
- Indiana 12
- Iowa 10
- Kansas 3
- Kentucky 8
- Louisiana 5
- Maine 3
- Maryland 14
- Massachusetts 13
- Michigan 17
- Minnesota 10
- Mississippi 5
- Missouri 7
- Montana 5
- Nebraska 4
- Nevada 3
- New Hampshire 3
- New Jersey 10
- New Mexico 5
- New York 51
- North Carolina 26
- North Dakota
- Ohio 11
- Oklahoma 6
- Oregon 3
- Pennsylvania 15
- Puerto Rico 2
- Rhode Island 1
- South Carolina 9
- South Dakota 2
- Tennessee 13
- Texas 51
- Utah 14
- Vermont 1
- Virginia 30
- Washington 10
- West Virginia 1
- Wisconsin 25
- Wyoming 1
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 595 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
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.
Cal Tri Houston on September 13, 2026 at Typhoon Texas in Katy offers sprint-format events including a reverse triathlon, RunBikeRun, RunSwim, swim-only, and a 5K.
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.
Sprint triathlon at Trane Technologies Campus in Davidson NC with a 750 m swim, 12.7 mile bike and 5K run on September 13, 2026.
Monthly updates for United States
Get new running races (and updates) in your inbox every month.
IRONMAN 70.3 Santa Cruz on September 13, 2026 includes a 1.2 mile ocean swim, a 56 mile bike on Highway 1 and a flat half marathon along coastal bluffs.
IRONMAN Wisconsin in Madison is an IRONMAN triathlon with a lake swim, rolling bike, hilly run and a Capitol finish, noted for strong spectator support.
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.
A multi-discipline event at Clermont Waterfront Park with sprint and double triathlon, duathlon, aquabike, aquathlon and a 5K plus themed medals and age-group awards.
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.
Multisport event in Warrington on September 13, 2026 with pool swim, bike and run options including triathlon, duathlon, Aquavelo and relays.
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.
Experience a scenic multisport event at Crystal Cove State Beach featuring swim legs in the Pacific Ocean and a closed bike course on the Pacific Coast Highway. Choose from triathlon duathlon aquabike or trail run options.
A sprint triathlon on September 13, 2026 in Dover-Sherborn featuring a .25 mile swim at Farm Pond, a 14.3 mile bike route, and a 3.4 mile run.
At Rockaway Beach competitors swim in open Atlantic water, bike two flat six mile loops on the boardwalk, and finish with an out and back 3 mile run along the boardwalk. Relay and aquabike options are offered and no USAT license is required.
Two mile kayak plus a 3.5 mile trail run at Quarry Springs Park with solo, relay, and run only options, shirts, awards, and free photos.
Sprint triathlon in Kewaskum featuring a 5K run, 2 mile kayak, and 13 mile bike ride, with relay teams and a 1 mile youth run option.