Triathlon Calendar United States 2026-2027

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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!

June 2026
Off-road duathlon and trail events at Croft State Park on June 27, 2026, offering adult, youth, high school, relay and a 2-mile run. Organizers will collect canned goods and cover park entry for athletes and volunteers.
Hub City Triathlon at Dahme Lake in Aberdeen, SD features sprint, super sprint novice, relay and kids Splash and Dash on June 27, 2026. Races use a lake swim plus flat out and back bike and run courses.
An annual USAT sanctioned sprint triathlon at Winona Lake Park featuring adult, relay, duathlon, aqua bike and youth divisions, chip timing, helmet and USAT rule enforcement, and packet pickup the day before and race morning.
Tupper Lake Tinman is an annual triathlon at Tupper Lake Municipal Park on June 27, 2026, offering Sprint, Olympic, Tinman, Aquabike and team relay options. The event uses tiered registration pricing and includes pre-race and race-day check-in.
A USAT sanctioned triathlon at Echo Lake in Franconia Notch with Sprint, Olympic and Half distances, mandatory wetsuit swims and five second time trial starts. Courses include mountain bike climbs with King of the Mountain segments and paved looped r..
Experience a unique reverse sprint triathlon in scenic Mt. Pleasant Utah. Complete a 5k run and a rural bike course before finishing your race with a 300 yard pool swim at the local aquatic center.
A community triathlon at Lake Padden Park on June 27, 2026 offering long and short chip-timed courses with mapped bike and run routes, revised 2026 bike routes, participant rules, and a 325-person field limit.
A sprint triathlon at Fort Campbell on June 27, 2026 in Clarksville TN featuring a half mile swim, a 12.5 mile bike and a 3.1 mile run. Civilian registration is managed through the installation online recreation system.
Multiformat triathlon at Pleasant Prairie RecPlex on June 28, 2026, with swims in Lake Andrea, bike courses through village roads and run routes on paved and gravel paths in Prairie Springs Park.
A sprint triathlon in Pine Plains, New York, featuring an 800 yard swim, a 12.6 mile bike and a 3.3 mile run. Relay teams and paratriathletes are welcome and there are no cut-off times.
State championship triathlon at Creve Coeur Park on June 28, 2026, with sprint and Olympic formats plus relays, paratriathlon and a 6K. USAT sanctioned; packet pickup and bike drop occur the day before.
A multi-event race day in Sonoma County with seven options from sprint to Olympic distances. Courses use Johnson's Beach, River Road and finish through vineyards at La Crema Estate with an optional wine pour for those 21 plus.
The 16th annual Electrolit TriWaco Triathlon in Indian Spring Park, downtown Waco, features sprint and Olympic races, aquabike and relay options, college and high school divisions, and a Try a Tri with a 400 m swim, 8 mile bike and 2 mile run.
A downtown Chattanooga triathlon on June 28, 2026 offering Sprint and Olympic distances. The race features a downstream swim in the Tennessee River and bike and run courses along the riverfront and Riverwalk.
A women only short-course event on June 28, 2026 at Fort De Soto Park offering sprint triathlon, relay, duathlon, and aquabike options with a 400 yard swim and a flat 9.5 mile bike course.
A fully supported sprint triathlon at Duck Creek Quarry Park featuring a 750 m swim, 15.5-mile bike, and out-and-back 5k run, with race apparel, a finisher medal, a 2026 beach wristband, and a 400-participant cap.
A three leg triathlon in Thurmond WV combining a 2 mile bike, 1.5 mile paddle on the New River, and a 2 mile run through historic Thurmond. Solo, duo and team entries are offered with watercraft rentals and race day perks.
Triathlon and aquabike races on June 28, 2026 in Colonial Beach, VA, with Olympic and sprint distances. Swim in the Potomac River, bike on flat, well paved roads with coastal and farmland views, and finish on a flat waterfront run.
On June 28, 2026 the Lake Pflugerville Triathlon offers sprint and Olympic triathlons, aqua bike races, relays, and a new run bike run duathlon. Sprint courses feature a 500 meter swim loop, a 13 mile bike on county roads, and a 3 mile lakeside run.
A multi-event race day at St. Joseph's College on June 28, 2026, featuring Sprint and Olympic triathlon courses, duathlon, aquabike, relays, and virtual options. Swim in Sebago Lake, bike on country roads, and run on campus trails.
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