United States
- Alabama 9
- Alaska 4
- Arizona 15
- Arkansas 1
- California 61
- Colorado 15
- Connecticut 3
- Delaware 3
- District of Columbia 1
- Florida 42
- Georgia 5
- Hawaii 4
- Idaho 7
- Illinois 17
- Indiana 11
- Iowa 9
- Kansas 6
- Kentucky 5
- Louisiana 6
- Maine 2
- Maryland 12
- Massachusetts 8
- Michigan 17
- Minnesota 7
- Mississippi 5
- Missouri 8
- Montana 5
- Nebraska 4
- Nevada 3
- New Hampshire 3
- New Jersey 8
- New Mexico 3
- New York 48
- North Carolina 21
- North Dakota
- Ohio 12
- Oklahoma 5
- Oregon 11
- Pennsylvania 17
- Puerto Rico 1
- Rhode Island 1
- South Carolina 7
- South Dakota
- Tennessee 10
- Texas 51
- Utah 17
- Vermont 1
- Virginia 27
- Washington 13
- West Virginia 2
- Wisconsin 19
- 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 568 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 half distance triathlon in Frankfort, Michigan with a Betsie Bay swim, a bike route on historic M22 through Benzie County, and a two-loop 13.1 mile run.
A triathlon at Devil's Lake in Baraboo, Wisconsin on September 20, 2026, offering sprint individual, sprint relay, and a Wisconsin Triathlon Series entry. Distances include a 400 m swim, a 15 mile bike, and a 5K run.
USAT sanctioned triathlon and duathlon at Lake Welch Beach featuring a 0.5 mile swim, 15 mile bike loop and 2 mile run, plus race support, medals and awards.
Sprint triathlon at Marsh Creek State Park near Downingtown PA with a 750 m swim, 20K bike and 5K run around Marsh Creek Lake; event is sold out with a waitlist.
Multisport sprint and youth event at Robious Landing Park with triathlon duathlon and aquabike options plus an NCAA collegiate cup and finisher medals.
Monthly updates for United States
Get new running races (and updates) in your inbox every month.
The Reston Triathlon is an Olympic-distance race in Reston, Virginia, with a 1500 m open-water swim in Lake Audubon, a 25-mile bike and a 10K run. The program also includes an aquabike and an Olympic relay option.
Multisport races at Bayview Park on Long Beach Island on September 20, 2026 feature triathlon, duathlon, aquabike and relay options, with bay swims and flat road bike and run courses, awards across multiple divisions, and USAT rules in effect.
Experience a beach start at Illinois largest man made lake followed by a flat bike course and a finish over the dam spillway. This event offers individual and relay options across triathlon duathlon and aquabike distances.
Season ending sprint triathlon and duathlon at Horseneck Beach with an open water swim in Buzzards Bay, scenic bike routes through Westport, and a beach finish.
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.
A final-season USAT triathlon at White Bear Lake with Sprint, Olympic and Aqua options, plus relay and collegiate divisions and lakeside run and awards.
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 with pool swims, a 12 mile out and back bike and 3.1 mile runs, plus relay options and a kids splash and dash.
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 Riverfront Park triathlon on September 20, 2026 featuring a 2.5 mile canoe, a 5 km run and a 10 mile bike with solo and two person team options.
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.