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 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.
Late season triathlon at White Bear Lake offering Sprint and Olympic distances, Aqua Bike options, relay teams, free photography, awards and a post-race barbecue.
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 5K run, 20K bike, and 5K run around Pleasant Ridge Park and county roads near Fairview and Girard, held on 09/20/2026. Individual and two person relay options are available and the event supports the Erie Cancer Wellness Center.
Newport Harbor Triathlon in Newport OR on September 20, 2026 offers adult and youth triathlons, an aquabike, a relay option, and an open 5K.
IRONMAN 70.3 Washington Tri-Cities in Richland, Washington features a 1.2 mile swim in the Columbia River, a 56 mile bike through wine country, and a flat 13.1 mile run on riverfront trails. The event received high athlete ratings for the swim.
A community triathlon in Albany, CA on 20 September 2026 featuring a Super Sprint main course with individual and 2-3 person relays plus a shorter mini triathlon for kids and adults, all centered at the Albany Aquatic Center and surrounding streets.
A paddle, bike and run event in Bay City on September 20, 2026, offering two-person canoe team and relay options plus an individual kayak division, with paddle on the Kawkawlin River and bike and run courses nearby.
A family-centered adventure race at Prairie Creek Reservoir on September 20, 2026. Teams use map and compass to find optional checkpoints while hiking, canoeing, and mountain biking; canoe rental is included.
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.
A community event at Brandenburg Park offering a 5K run or walk and an individual duathlon with a 5K run plus a 2 mile kayak on Sept 20, 2026.
A two-day triathlon festival at Lake Anna State Park featuring Olympic and Sprint races, beach time trial swim starts, rolling country bike courses and shaded park run loops with on-site athlete amenities.
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 IRONMAN at Jones Beach with a sheltered swim in Zach's Bay, a fully closed 56 mile bike on Wantagh Parkway and a run along the Jones Beach Boardwalk.
A charity sprint triathlon at Skyline Aquatics Center in Mesa, AZ that raises funds to help underprivileged children attend learn to swim and summer recreation programs. Timing is provided by 4 Peaks Racing with triathlon chips.