United States
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Alabama14
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Alaska12
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Arizona14
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Arkansas6
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California71
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Colorado15
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Connecticut15
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Delaware5
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District of Columbia
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Florida55
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Georgia19
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Hawaii3
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Idaho16
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Illinois29
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Indiana32
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Iowa18
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Kansas6
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Kentucky11
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Louisiana9
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Maine9
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Maryland21
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Massachusetts24
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Michigan36
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Minnesota24
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Mississippi10
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Missouri14
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Montana9
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Nebraska5
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Nevada1
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New Hampshire2
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New Jersey31
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New Mexico8
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New York77
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North Carolina36
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North Dakota1
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Ohio23
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Oklahoma8
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Oregon13
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Pennsylvania34
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Puerto Rico1
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Rhode Island3
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South Carolina20
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South Dakota3
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Tennessee28
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Texas61
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Utah16
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Vermont3
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Virginia41
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Washington31
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West Virginia8
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Wisconsin36
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Wyoming3
Triathlon Calendar United States 2026-2027
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 2026-2027! Our updated list features 986 exciting races across the country. Find your next race in the United States below and join the running community at these great events!
August 2026
The Cazenovia Triathlon offers a full weekend of multisport action with Intermediate and Sprint distances, plus aquabike and relay options. A special wave is dedicated to high school athletes. The event is held at scenic Lakeside Park in central New..
A one-day multi-sport event at Lake Arrowhead in Luray, Virginia on August 16, 2026, offering Olympic and Sprint triathlon, duathlon and aquabike formats, plus relay and wetsuit categories with age eligibility 14 to 99.
Experience one of the oldest triathlons in the American West at the Mountain Man Triathlons in Flagstaff. Compete in Olympic or Long Course distances amidst the high altitude pines and scenic vistas of Upper Lake Mary.
Triathlon events at Versluis Park in Grand Rapids on August 16, 2026, include Captain and Angel Sprint Tri entries plus volunteer slots. The event is part of Michigan Titanium and offers race options up to the 140.6 mile full triathlon.
Experience an inaugural triathlon in Redding featuring a Whiskeytown Lake swim, a net downhill bike course, and a flat run along the Sacramento River Trail. This scenic event serves as a 2027 World Championship qualifier.
The ROC Triathlon
The ROC Triathlon is held at Durand Eastman Beach in Irondequoit, New York. The event dates are August 21-22, 2026. It is a USAT-sanctioned event that has been held since 2010. The event offers qualifying slots for the National Cham..
A two-day triathlon weekend in Maple Grove, Minnesota on August 21 and 22, 2026, with international, sprint, super sprint and duathlon options plus a youth Splash & Dash for ages 7 to 15.
The Glimmerglass Triathlon is a unique paddle, bike, and run event set in the scenic Glimmerglass State Park. Athletes tackle a 1.5-mile paddle on Otsego Lake, an 18-mile bike ride, and a 5K trail run. Relay teams are welcome, and the race finishes w..
Celebrating 41 years, this classic Alabama triathlon offers Sprint and Olympic distances. Choose to compete individually or as part of a relay team. The course takes you through a lake swim and rolling bike hills.
Experience one of Florida's longest running triathlons at Carlin Park in Jupiter. This coastal event features a 3/8 mile ocean swim and a flat 3.1 mile run with options for individuals, relay teams, and duathletes.
The Barron Lake Triathlon in Niles, Michigan, offers a sprint distance event and kids' races around the scenic lake. Participants can tackle a 500-yard swim, 15-mile bike, and 5K run individually or as a team. Youth events provide shorter distances f..
Experience a multisport challenge at Don Carter State Park featuring triathlon, duathlon, and aquabike events. Race through rolling hills and scenic paved paths in Gainesville with options for individuals and relay teams.
The Splash Summit Triathlon is a reverse-order sprint event finishing with a thrilling 300-foot waterslide. Options include individual and team triathlons, a 5K run/walk, and a kids' triathlon. All participants get a finisher medal, shirt, and free p..
Experience a scenic multisport weekend in Oyster Bay featuring harbor swims and hilly bike loops. With junior distances and adult relay options, there is a race for various preferences in Theodore Roosevelt Memorial Park.
The Indy Sprint Triathlon offers five multi-sport formats at Eagle Creek Park. Choose from a triathlon, duathlon, aquabike, or a relay team event. Registration includes a T-shirt and the chance for awards.
Experience a scenic sprint triathlon featuring a swim in Lake Icaria a bike through the countryside and a trail run. Individual and relay options are available alongside a 5K fun run and an open water swim.
Join the 18th Annual Race Montana Triathlon and Duathlon in Great Falls for a variety of pool based races. Enjoy flat courses and free race day entry to the Electric City Water Park for all athletes.
Race through the heart of the Windy City with a Lake Michigan swim and a closed-course bike ride along iconic streets. Choose from Olympic, Sprint, and Junior distances in one of the world's most accessible triathlons.
Shenandoah River Adventure Race
The Shenandoah River Adventure Race takes place on August 22, 2026, at Shenandoah River State Park in Bentonville, Virginia. This is the event's seventh annual edition. It features two multi-discipline adventure race f..
Event Overview
The Lake Nona Tri-Nona Triathlon Series Race 2 takes place over two days in late August in Orlando, Florida. It is the second of two events in the series. The event features multiple adult sprint events and youth races.
Events and Dist..