United States
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Alabama14
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Alaska12
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Arizona15
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Arkansas6
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California71
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Colorado15
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Connecticut15
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Delaware5
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District of Columbia
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Florida55
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Georgia19
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Hawaii3
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Idaho16
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Illinois29
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Indiana33
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Iowa18
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Kansas6
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Kentucky11
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Louisiana9
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Maine9
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Maryland21
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Massachusetts24
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Michigan36
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Minnesota24
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Mississippi10
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Missouri14
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Montana9
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Nebraska5
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Nevada1
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New Hampshire2
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New Jersey31
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New Mexico8
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New York76
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North Carolina35
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North Dakota1
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Ohio23
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Oklahoma8
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Oregon13
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Pennsylvania34
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Puerto Rico1
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Rhode Island3
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South Carolina20
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South Dakota3
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Tennessee28
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Texas61
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Utah16
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Vermont3
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Virginia41
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Washington31
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West Virginia8
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Wisconsin36
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Wyoming3
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 983 exciting races across the country. Find your next race in the United States below and join the running community at these great events!
July 2026
The IRONMAN 70.3 Musselman offers a scenic triathlon in New York's Finger Lakes region. Athletes swim in clear Seneca Lake, bike through rolling vineyards, and run on a lively course. Voted the top race globally in 2024, it combines competition with..
Experience a 7 mile paddle and run event along the scenic North Fork of the Shenandoah River. Compete solo or as a dual team with boats provided by the organizers at Seven Bends State Park.
Swim or combine swim and run at Cedar Hill State Park. Choose from various distances, including sprint and Olympic aquathlons for individuals and teams, plus open water swims up to 2.4 miles. A dedicated wave is available for USMS members.
Join this all-female triathlon and duathlon event at Centennial Quarry in Sylvania. Choose between individual races or team relays featuring swimming, biking, and running in a supportive environment.
Experience a scenic multisport event on Singer Island with triathlon, duathlon, and aquabike options. Swim in the Atlantic and cycle across the Blue Heron Bridge during this USA Triathlon sanctioned event.
Head to the mountains for the 22nd annual Rocky Gap Off-Road event in Maryland's state park. Choose between a triathlon, duathlon, or aqua bike, with relay options available. The off-road course features a lake swim or trail run, followed by technica..
Swim in a spring-fed lake, bike on newly paved roads, and run a flat trail course at Spring Meadow Lake State Park. Choose from triathlon, aquabike, duathlon, or a 5K fun run. Your registration supports local charities.
The Lake Zurich Triathlon offers a variety of distances at Paulus Park. Choose from Olympic or Sprint triathlon, duathlon, or aqua bike formats, with options for individuals or relay teams.
Experience a historic grassroots triathlon in the high altitude pine forests of Flagstaff. Choose between Super Sprint, Sprint, or Olympic distances at the scenic Upper Lake Mary Boat Launch.
Stone Harbor Triathlon on July 12, 2026 in Stone Harbor, NJ features a 1/4 mile swim, 11 mile bike and 5K run. The entry fee is $165 and awards include overall, age-group and specialty category prizes.
A pool swim triathlon at the Huntersville Family Fitness and Aquatics center, featuring a 400-yard swim, 20K bike, and 5K run. A shorter youth event is also available. Proceeds support St. Jude Children's Cancer Research.
The second race in the Charleston Sprint Triathlon Series is scheduled for July 2026. It will be held at James Island County Park in South Carolina.
Experience the inaugural Ironman 70.3 in the mountain village of Ruidoso, New Mexico. The course takes athletes through the clear waters of Grindstone Lake, along rolling mountain roads, and on a hilly run through scenic neighborhoods.
Join this USAT sanctioned swim and run event in Colorado Springs featuring pool swimming and a scenic run on the Santa Fe Trail for athletes of all ages.
Experience the 43rd year of the TRI for FUN series at Rancho Seco Park. Choose between triathlon and duathlon formats featuring a lake swim, road bike course, and dirt trail run in Herald.
Experience a scenic Cape Cod tradition featuring a salt water swim and a bike ride past the Nobska Lighthouse. This long running sprint triathlon offers categories for all experience levels in a festive coastal setting.
Join the Metro Tri Club in Columbia for a USAT sanctioned sprint triathlon featuring a pool swim and shaded run. With events for adults and youth, this multi sport challenge offers flat bike courses and scenic neighborhood trails.
Experience a scenic multisport event in Grand Haven with swimming in Lake Michigan and running along the City Boardwalk. Choose from triathlon, duathlon, or aquabike formats in sprint and olympic distances.
Join a USAT-sanctioned super sprint triathlon in the scenic Kenneth L. Wilson State Park. The event features a 400m lake swim, a hilly 12-mile bike ride, and a 2-mile trail run, with options for individuals, relay teams, and AquaBike. It's part of a..
Join Negative Split Racing for a four day triathlon camp in Ardmore, Oklahoma, July 16 to 19, 2026, with coached open water swims at Lake Murray and scenic but demanding hilly bike routes. Enjoy group sessions, Friday and Saturday dinners, and giveaw..