United States
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Alabama9
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Alaska7
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Arizona10
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Arkansas2
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California38
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Colorado8
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Connecticut3
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Delaware3
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District of Columbia
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Florida46
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Georgia13
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Hawaii1
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Idaho9
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Illinois15
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Indiana21
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Iowa8
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Kansas5
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Kentucky9
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Louisiana3
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Maine7
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Maryland11
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Massachusetts17
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Michigan27
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Minnesota16
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Mississippi3
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Missouri14
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Montana3
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Nebraska3
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Nevada
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New Hampshire
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New Jersey23
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New Mexico3
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New York51
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North Carolina30
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North Dakota
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Ohio12
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Oklahoma6
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Oregon9
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Pennsylvania16
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Puerto Rico
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Rhode Island1
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South Carolina14
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South Dakota
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Tennessee22
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Texas44
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Utah15
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Vermont
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Virginia33
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Washington13
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West Virginia5
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Wisconsin24
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Wyoming2
Triathlon Calendar United States 2025-2026
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 2025-2026! Our updated list features 632 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
Celebrate the 40th PineappleMan Triathlon and Duathlon in Melbourne Beach on June 7, 2026, with a scenic swim around the historic pier and ocean side bike and run courses. All finishers earn a medal and awards span many divisions.
Leap from the Cape May Lewes Ferry and tackle swim bike run courses at Escape the Cape in Lower Township, NJ. Choose Olympic, sprint, aquabike or a kids fun run with finisher medals, tech shirts and a postrace breakfast.
IRONMAN 70.3 Western Massachusetts in Springfield blends a current assisted Connecticut River swim, a hilly bike through the Berkshires and a flat finish in downtown. Scenic early season New England racing with World Championship qualifying.
Join IRONMAN 70.3 Omaha on June 7, 2026 in Omaha, NE for a thrilling 70.3 triathlon experience. PLAYTRI will be onsite offering bike rentals, race ready tune ups and full service support to keep you rolling on race day.
Kick off the Wisconsin Triathlon Series on June 7, 2026 in Lake Mills WI with a fast, flat sprint course featuring a 400 m swim, 16 mile bike and 5K run. Enjoy a race shirt, finisher medal, timed results and pro photos.
Join the Reston Sprint Triathlon, a fast, fun race featuring a 400 meter swim, a 12 mile bike and a 5K run around Lake Newport and Reston pathways. Stay after for a lively post race beer garden and options for an Aquathon and relay teams.
The Jamestown Triathlon in Williamsburg offers Sprint and Olympic distances with a scenic Jamestown Beach swim, flat bike along Rt. 5 and a run through farmland and forest. USAT sanctioned as the Virginia State Championships with age group qualifying..
Experience the Grand Rapids Triathlon in Ada, MI on June 7, 2026: a scenic two day riverside event with 21 race and relay options from super sprint to half. Beginner friendly and wetsuits permitted for comfortable swims.
Kick off the Mudskipper US Swimrun season at scenic Deam Lake with swimrun and trail options for all levels. Choose from short and classic swimrun loops or a 5 km trail run for a fun, outdoorsy race day.
Join the Buffalo Graniteman Triathlon on June 7, 2026 for sprint and Olympic distances or 2 and 3 person relays, starting with a swim in Buffalo Lake. Enjoy a scenic route through downtown Buffalo and country roads.
Race the Harvest Triathlon in Wareham MA on June 7, 2026 with sprint and Olympic options through scenic cranberry bogs. A calm spring fed swim, single loop bike and packed dirt run make for a fast friendly USAT sanctioned event.
Push your limits at the Bare Hill Sprint Triathlon, Duathlon and Aquabike in Harvard MA on June 7, 2026 with short, fast swim, bike and run courses perfect for speedy finishes. USAT sanctioned and a Massachusetts State Championship qualifier.
Race the scenic shores of Keuka Lake on June 7, 2026 at Keuka College with sprint and intermediate tri, aquabike, duathlon and relays for ages 14 to 99. Relax after the race with an indoor buffet and optional on campus athlete housing.
M22 Challenge in Sleeping Bear Dunes is a scenic multi sport race with a 2.5 mile run, 17 mile bike and 2.5 mile paddle. Test yourself on dunes and lakeshore routes and soak up the friendly festival vibe in mid June.
Take on IRONMAN 70.3 Boulder on June 13, 2026, a World Championship qualifier beneath the Flatirons and Rocky Mountains. A scenic reservoir swim, rolling bike and trail run at high elevation promise stunning views and lively post race atmosphere.
Trinona in Winona on June 13 and 14, 2026 offers Olympic and Sprint triathlons, aquabike, duathlon and youth races. Enjoy a scenic swim beneath Sugar Loaf, rolling country roads for the bike, and a flat lakeside run finishing at the Lake Park bandshe..
Race the 45th Robert J. Aaron Memorial Mighty Montauk Triathlon in Montauk NY, a USAT sanctioned event with triathlon, aquabike, and sprint distances on scenic Lake Montauk. Calm saltwater swims and rolling bike roads make for a classic coastal chall..
Challenge yourself at the Tri Star Triathlons & Duathlons in Knoxville on June 13, 2026, with sprint and Olympic options plus relays and aquabike races. Swim the Tennessee River, bike Riverside Drive, and run the scenic river greenway to a riverside..
Join the Heart and Sole Triathlon in Versailles, Kentucky on June 13, 2026 for a sprint triathlon with an indoor pool swim, scenic bike through Woodford County and historic downtown, and a cross country run. Open to ages 15 and up with a Family Relay..
Race the 6th annual Eiffel Tower Triathlon in Paris, Illinois on June 13, 2026 with sprint and Olympic options plus relay teams, all USAT certified. Scenic lake swim, chip timing, finisher gear and a festive after race atmosphere await.