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
Swim open water, cycle scenic roads and run river boardwalks at the Jordanelle Triathlon in Kamas UT on June 20, 2026. Multiple distances including relay options welcome beginners and seasoned triathletes alike.
Join Against the Tide, a family friendly swim, run and walk that raises funds for the Massachusetts Breast Cancer Coalition. Attend in Hopkinton on June 20 or Brewster on June 27, or join virtually June 20 to June 27.
Join the 34th Annual Hopkinton Against the Tide on June 20, 2026 at Hopkinton State Park for swims, runs and a family walk raising funds for the Massachusetts Breast Cancer Coalition. Celebrate fitness, community and prevention.
Race the Sunset Lake Triathlon in Bridgeton, NJ on June 20 to 21 with sprint to Olympic distances plus duathlon and bike only options. Enjoy scenic country roads, park swims and on site bike mechanics and massage.
Experience the Trestle Hustle at High Trestle Trail in Madrid, a community favorite featuring 5K, 10K and a run, bike, run duathlon. The event kicks off High Trestle Fest with medals, refreshments and lively race day energy.
Experience triathlon, trail and paddle action at the HAGG Lake Triathlon and Multisport Festival in Gaston OR on June 20 and 21 2026. Choose sprint or Olympic distances, off road races, trail 5K and half, plus relay and virtual options.
Join the 46th Heart O' Dixie Triathlon in Louisville Mississippi at the Neshoba County Fair. Swim Lake Tiak O'Khata, bike through rolling countryside and finish on the historic fairgrounds horse track.
Join the Clemson Triathlon on June 20, 2026 in Seneca, South Carolina at Clemson University. Now in its 27th season and the USA Triathlon South Carolina State Championship, this scenic lake swim bike run welcomes racers and relays.
Push your limits at the Wyckoff Franklin Lakes Triathlon on June 20, 2026 in Franklin Lakes NJ, featuring a 0.5 mile swim, 13 mile bike and 3.1 mile run around picturesque Franklin Lake. Individual and relay teams are welcome.
Join the Dickson Olympic and Sprint Triathlon on June 20, 2026 at Montgomery Bell State Park for calm Acorn Lake swims and scenic bike and run courses. USA Triathlon sanctioned and includes custom shirts and socks for participants.
Join the Whitehouse Multi Sport Festival on June 20, 2026 at Nona France Quarry in Blue Creek Metropark for a sprint triathlon, duathlon or three person super sprint relay. Enjoy a scenic quarry swim, road bike and trail run with a shirt and finisher..
Take on a sprint triathlon at scenic Old Hickory Lake in Hendersonville with a 400 m swim, 20 km bike and 5 km run. Individual and relay teams welcome, with proceeds supporting the Salvus Center of Sumner County.
Experience IRONMAN 70.3 Coeur d'Alene with a 1.2 mile swim in Lake Coeur d'Alene, a 56 mile bike through rolling Idaho terrain and a 13.1 mile run along scenic lakeside paths. The race offers World Championship qualification and a top ranked swim cou..
Join the Colonial Beach Triathlon in Colonial Beach VA on June 21, 2026, offering Olympic and sprint distances plus relay and aquabike options. Swim the Potomac, bike seaside roads and finish on a flat waterfront course.
Jump into the Finger Lakes Triathlon at scenic Taughannock Falls State Park on June 21, 2026. From sprint and intermediate courses to aquabike, relays and a timed youth race, this Truepath Racing event blends competition with lakeside fun.
Race the Motor City Triathlon at Belle Isle Park on June 21, 2026 for scenic Detroit River and skyline views. Distances from super sprint to Olympic plus relays welcome beginners and veteran multisport athletes.
Celebrate multisport season at the Dayton Triathlon and USA Triathlon Ohio State Championships on June 21 at Buck Creek State Park Beach in Springfield Ohio. Enjoy races for all levels, open water swims, youth races and a catered meal.
Take on a five day non stop expedition race June 22 to 27, 2026 based in North Adams, MA. Teams of two to four will navigate wild Vermont mountains, forests, waterways and single track in a continuous test of navigation and endurance.
Join the Indiana Sports Corp Corporate Challenge at Indianapolis Motor Speedway on June 26 and 27 for a lively two day team festival. Try running, cycling, pickleball, cornhole, yoga and more, and enjoy team tents, lunch and wellness activities.
Experience Tri Goddess Triathlon on June 27, 2026 at Portage Lake in Waterloo State Recreation Area, featuring sprint and super sprint triathlon, duathlon, aquabike, relays and open water practice swims. Finish strong and celebrate at a lively post r..