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 564 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
IRONMAN Chattanooga in Chattanooga, Tennessee features a fast downriver swim on the Tennessee River, rolling bike sections, and a scenic downtown run on September 27, 2026.
All women sprint triathlon in Huntersville NC with a 250 yard swim, 8 mile bike and 2 mile run, plus youth, duathlon, aquathlon and virtual options.
A multisport event at Ray Roberts Lake State Park on September 27, 2026 featuring Olympic, sprint and youth triathlon formats plus 5K and 10K runs.
A multisport race day at Riverfront Park in Pt Pleasant NJ on September 27, 2026 offering swim, duathlon, aquabike, kayak triathlon and relay formats with river swim or kayak courses, four bike loops, and a run finishing in the park.
On September 27, 2026, South Seas Captiva Island hosts multiple sprint and super sprint race formats with open water swims in the Gulf of Mexico, a bike course closed to vehicular traffic and coastal runs along the Gulf Coast.
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A half distance triathlon in Augusta, Georgia with a 1.2 mile downriver swim, 56 mile bike and a flat 13.1 mile run along the North Augusta Greeneway trail.
Tri to Inspire is a short distance triathlon in Santa Rosa on 09/27/2026 featuring pool swims followed by bike and run courses. It offers sprint, mini sprint, relay and family divisions, with proceeds supporting the Inspiration Sports Foundation.
USAT sanctioned triathlon and duathlon at Rockaway Beach with ocean swim, boardwalk bike and run, plus junior and family race options.
A multi-division triathlon in South Padre Island on 09/27/2026 offering Sprint, Olympic, relay, and a high school division with 16 and 32 mile distances.
Multi-distance triathlon at Prairie Creek Reservoir Park with Sprint and Olympic options, USAT sanctioned and chip timed. Lake swim, rolling hills on bike and run, finishers receive a shirt and medal.
Championship swimrun and open water swims at Deam Lake, Indiana on September 27, 2026, with distances from 4.8 km to 23.6 km.
A sprint triathlon at the University of Illinois combining a 300 meter pool swim, a 14 mile bike and a 5 kilometer run. Packet pickup is offered the day before and race morning and the event follows USA Triathlon rules.
A family friendly triathlon at Compo Beach in Westport, CT on September 27, 2026, featuring a point-to-point swim, flat bike and run courses, awards and a post-race gathering.
Multi format triathlon and duathlon day at UW Whitewater on September 27, 2026 featuring Olympic, Sprint, Super Sprint, aquabike, duathlon and relay options.
Coles Crocs Splash and Dash in Cypress Texas on September 27 2026 pairs pool swims with runs across age divisions, includes virtual options and a new two person relay. Participants receive a shirt and a finishers medal and top finishers earn awards.
A single-distance kayak, bike, run in Shelby Park and Bottoms on September 27, 2026; a noncompetitive community event with costumes encouraged and proceeds to local groups.
Experience a scenic triathlon in Santa Cruz featuring Olympic and Sprint distances with a coastal course that supports local youth and collegiate athletic programs.
A multi-format race day at Boyd Lake State Park with triathlon, SUP, duathlon, aquabike, and aquathlon options, onsite camping and spectator-friendly looped courses.
Experience a triathlon featuring a 1.2 mile swim in the Columbia River, a hilly 56 mile bike ride, and a flat 13.1 mile run finishing in Vantage.
Women only triathlon and duathlon at Lago Mar Lagoon in Texas City featuring sprint distances, relay teams, beach finishes, and LagoonFest admission.
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