Triathlon Calendar United States 2026-2027

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Monthly updates for United States

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Explore the best triathlons in the United States for 2026-2027! Our updated list features 777 exciting races across the country. Find your next race in the United States below and join the running community at these great events!

March 2026
Join the Merrill Ranch Triathlon in Florence AZ March 28 for pool swims, scenic two loop bike and run courses and events for adults, youth, aquabike, duathlon and relays. Finishers earn medals, a race hoodie and post race refreshments.
Join the Smithfield Sprint Triathlon in Smithfield VA for a pool swim, 10 mile bike and 5 km run with individual, aquabike or relay options. Finishers get a tech shirt, medal, socks, free finish photos and post race BBQ.
Challenge yourself at the Dare to Tri Sprint Triathlon at Fort Gordon, featuring a 300 m pool swim, a 10 mile bike and a 5K run across the base. Individual and team entries welcome, with special categories for military and collegiate athletes.
Join the ROC Indoor Tri at the Jewish Community Center in Rochester on March 28, 2026 for a fast paced indoor swim, bike and run that tests speed and strategy. Timed heats and a lively post race party make it a fun challenge for adults and kids.
Indoor hybrid race at Indiana Tech Indoor Track on March 28, 2026 combining repeated runs with eight infield strength stations. Short or long distances, four weight levels, individual or two person teams, chip timed with t shirt and medal.
Join IRONMAN 70.3 Texas on Galveston Island for a scenic half distance triathlon featuring a calm Galveston Bay swim, flat coastal bike and a run past Moody Gardens. Race weekend buzz and shoreline views promise a memorable spring.
Kids 6 to 15 race short or long duathlon courses at Pensacola's Vince J Whibbs Community Maritime Park in the Zarzaur Law Maritime DeLuna Duathlon. All finishers get a medal and t shirt and there is a category for athletes with disabilities.
Cal Tri Austin on March 29, 2026 at Walter E. Long Park in Austin offers sprint and Olympic triathlon, RunBikeRun, SwimBike and run events for adults plus free youth sprints. Fun courses and distances for every level.
Join the 2026 Shelbyville Triathlon Series, three races from March 1 to April 19 in Shelbyville KY, featuring indoor pool swims, rolling bike loops and out and back park runs. Complete all three for a series medal and enjoy post race showers.
April 2026
A swimrun camp listed by ÖTILLÖ in Austin, USA; the source lists the camp name and location but provides no additional details here.
Join the Pinehurst Triathlon Festival on April 11 for sprint and international distances around scenic Lake Pinehurst, with individual, relay and aquabike options. Fast courses, friendly vibes, and a longstanding race tradition.
Celebrate the 40th anniversary of Escape From Fort De Soto at scenic Fort De Soto Park with sprint triathlon, duathlon and aqua bike options. USAT sanctioned, chip timed race on a closed course with custom finisher medals and limited to 500 entrants.
The Stubborn Fool Adventure Race is a choose your own route adventure near Black River Falls WI with solo and team divisions. Use map and compass to find hidden checkpoints on forest trails and gravel roads and pick your fastest route.
Join the Lifeline Duathlon benefiting 232 HELP in Lafayette on April 11, 2026 for a spirited run 2 miles, bike 10 miles, then run 2 miles course. Solo and 2 or 3 person relay teams welcome, ages 1 to 100, with awards and shirts available.
Take on the 24 hour Shenandoah Epic Adventure Race in Bentonville VA, blending paddling, trekking and mountain biking over rugged terrain and river. Solo or team entries challenge navigation, endurance and teamwork across day and night.
Test your legs and wheels at the Cedar Creek Spring Duathlon on April 11, 2026 at Cedar Creek Park in Seaford NY. Events for adults, juniors, families, relays and virtual racers promise a fast, fun multisport day.
Choose the 33 mile Ultra or shorter 1 mile to half marathon routes on scenic country and gravel roads between Odell and Ellis, Nebraska. This non competitive community event features medals, post race fellowship and a meal.
Race the 37th Annual Prospect Park Spring Duathlon in Brooklyn on April 11, 2026. Run and bike scenic park loops with options for solo duathlon, team relay, or volunteering for a free entry credit. Fast course with Prospect Park climbs.
Race the Dover Duathlon on April 11, 2026 at Schutte Park in Dover, DE with 1.5 mile runs and a 13.5 mile bike leg for solo racers and relay teams. A pre race clinic and course review hosted by Delaware State University helps you prepare.