United States
- Alabama 13
- Alaska 11
- Arizona 19
- Arkansas 5
- California 61
- Colorado 21
- Connecticut 21
- Delaware 3
- District of Columbia
- Florida 47
- Georgia 16
- Hawaii 3
- Idaho 15
- Illinois 26
- Indiana 26
- Iowa 22
- Kansas 7
- Kentucky 13
- Louisiana 8
- Maine 11
- Maryland 17
- Massachusetts 21
- Michigan 35
- Minnesota 26
- Mississippi 5
- Missouri 9
- Montana 10
- Nebraska 4
- Nevada 2
- New Hampshire 4
- New Jersey 28
- New Mexico 7
- New York 66
- North Carolina 35
- North Dakota 1
- Ohio 23
- Oklahoma 8
- Oregon 8
- Pennsylvania 29
- Puerto Rico 2
- Rhode Island 3
- South Carolina 15
- South Dakota 3
- Tennessee 20
- Texas 55
- Utah 15
- Vermont 3
- Virginia 38
- Washington 22
- West Virginia 6
- Wisconsin 32
- Wyoming 4
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 895 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 multisport event at Horseneck Beach in Westport, MA on September 20, 2026 featuring triathlon, duathlon, relay and aqua bike formats with short swim and run segments. Early registration discounts are offered.
A multisport event at Stony Creek Metropark in Shelby Township, Michigan featuring Olympic, Sprint and Super Sprint triathlon formats, duathlon and aquabike races plus relay options. Registration opens November 27 2025.
A multi-format community event at Kiel High School featuring full and short sprint triathlons, aquabike options, team relays, a Kid's Triathlon, and a 100 yard Raider Dash, with concessions on site and proceeds to the Kiel High School Booster Club.
One Last Tri closes the season at White Bear Lake County Park with sprint and Olympic triathlons, aqua bike and relay options. The course combines rolling hill bike sections through horse country with a flat lakeside run and post race awards and barb..
A multisport event at Twin Cove Point, Birch Lake offering Sprint and Olympic triathlons, relays, aquabike, and swim only options. USAT wetsuit rules apply and registrations can be deferred for a fee.
A multisport event at Camp Manitou-lin in Middleville Michigan on September 20 2026 offering sprint and Olympic triathlon duathlon and aquabike formats plus relays and a month long virtual option.
Wallis Sands Triathlon in Rye, New Hampshire features a 1/3 mile ocean swim, a 14.5 mile bike loop and a 5K run across multiple formats including relays and virtual options. The race is USA Triathlon sanctioned and includes chip timing and a technica..
A multisport event in El Paso on September 20, 2026 offering a sprint triathlon, aquabike, duathlon, relays, a 5K and a kids Splash and Dash for ages 6 to 13. Packet pickup requires photo ID and a USAT membership card.
A one-day triathlon event at Lake Blue Ridge Marina on September 20, 2026 featuring a 400 yard swim, 18 mile bike and 5K run. Race formats include sprint, relay and aqua bike with set registration dates and fees.
A duathlon on 20 September 2026 at Pleasant Ridge Park, featuring a 5 km run, a 20 km bike and a final 5 km run. Individual and two-person relay entries support the Erie Cancer Wellness Center and include fundraising apparel incentives.
A multi-event race day in Newport, Oregon on 09/20/2026 offering triathlon, aquabike, relay and a 5K; proceeds support local youth sports programs.
A half-distance triathlon in Richland, Washington featuring a downriver swim in the Columbia River, a 56-mile bike through vineyards and orchards, and a flat 13.1-mile run on riverfront trails on September 20, 2026.
A community super sprint triathlon in Albany, California featuring pool swim, bike and run courses for adults and children, with proceeds supporting Albany Middle and High School athletics and programs. The event is entirely volunteer run.
Experience a unique triathlon twist in Bay City featuring a 5 km paddle, 20 km bike, and 5 km run. Compete individually in the kayak division or partner up for the canoe team and relay categories.
Cal Tri Austin at Walter E. Long Metropolitan Park on September 20, 2026, offers 18 events across Olympic, sprint and youth sprint distances, including triathlon, duathlon, swim and run formats.
Sprint and Splash pairs a 5K run or walk with a duathlon that adds a 2 mile paddle on Lake St Clair. Held at Brandenburg Park, the event includes a shirt, finisher medal, chip timing and post race refreshments.
A two-day triathlon festival at Lake Anna State Park offering Olympic and Sprint distances with time trial beach swims, rural bike routes and park-centered run courses. Aquabike and relay categories are also included.
A multi-discipline race in Tarpon Springs featuring Sprint and Olympic triathlons, duathlon, aquabike and a 5K run, with swims off Fred Howard Beach, bike courses across Fred Howard Causeway and awards plus finisher medals.
A duathlon event at Mendon Ponds Park produced by First Knight Racing, offering two race formats of 26 and 14 miles and a deferred entry option, with specified registration periods and fees.
A half distance triathlon at Jones Beach featuring a sheltered swim in Zach's Bay, a 56 mile flat bike on the closed Wantagh Parkway, and a run along the Jones Beach Boardwalk on September 26, 2026.