United States
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Alabama13
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Alaska12
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Arizona14
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Arkansas5
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California68
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Colorado14
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Connecticut15
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Delaware5
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District of Columbia
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Florida54
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Georgia18
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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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Kansas5
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Kentucky9
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Louisiana8
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Maine9
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Maryland19
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Massachusetts22
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Michigan34
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Minnesota24
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Mississippi10
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Missouri14
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Montana8
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Nebraska5
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Nevada1
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New Hampshire2
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New Jersey30
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New Mexico8
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New York72
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North Carolina33
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North Dakota1
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Ohio23
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Oklahoma7
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Oregon13
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Pennsylvania33
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Puerto Rico1
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Rhode Island2
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South Carolina20
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South Dakota1
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Tennessee28
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Texas59
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Utah16
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Vermont3
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Virginia39
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Washington31
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West Virginia8
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Wisconsin35
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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 945 exciting races across the country. Find your next race in the United States below and join the running community at these great events!
May 2026
Experience a 15 hour adventure race featuring guided whitewater paddling, mountain biking, and rugged trekking through the scenic New River Gorge National Park.
Experience the inaugural Spring Sprint Triathlon at Fall Creek Falls State Park featuring a 500 meter swim, 14 mile bike, and 5k run. This USA Triathlon sanctioned event offers categories for individuals, relays, and aquabike athletes.
Experience a fast and flat multi sport race at Lums Pond State Park with Olympic, Sprint, and Youth distances. This USA Triathlon sanctioned event offers a scenic course through Delaware's natural landscapes for individuals and relay teams.
The French Creek Trifest is a two-day multisport weekend in French Creek State Park. Saturday features sprint and Olympic triathlons, duathlons, and aquabikes. Sunday shifts to SwimFest with open water swims and splash & dash events for adults and yo..
This unique triathlon in Boulder Junction begins with a 3 km paddle on Boulder Lake. Cyclists then tackle a 22 km route on paved roads before a 6 km run that finishes on a forest trail. Participants can compete individually or in a three-person relay..
The Fishers Sprint Triathlon offers four multisport events at Geist Waterfront Park. Choose from a sprint triathlon, duathlon, aquabike, or a team relay. The USAT sanctioned event includes awards and a participant shirt.
Join this community event at Lake Wazee featuring a duathlon on mixed terrain and vibrant color fun runs for various ages. Enjoy a paved 5K or a competitive bike and run challenge while supporting local health initiatives.
The HarryMan Triathlon is an early-season multisport event in Stony Point, New York. It offers both Half and Olympic distance triathlons, positioned as a challenging preparation race for summer endurance events.
Join a unique event at Wayne County Fairgrounds featuring a 5K and bodyweight fitness challenge alongside professional police K9 trials. Support K9 departments while participating in physical challenges or watching the canine competitions.
The Alleghany Highlands Triathlon features a 5k run, 5 mile paddle, and 10 mile bike course in Clifton Forge, Virginia. The race finishes at the Historic Masonic Amphitheater where awards are presented. Both individual and relay team entries are avai..
Experience a unique multisport weekend in Texas City featuring triathlons and duathlons held at a crystal clear lagoon. Enjoy various race distances for all ages along with all day access to LagoonFest Texas.
Join the 5K at National Harbor in Oxon Hill, MD. The event supports the Potomac Riverkeeper Network's work for clean water, healthy habitats, and safe drinking water in the watershed.
Join the Ellisville Splash and Dash, a 5K run and walk in Bluebird Park supporting Asher's Playground. All proceeds go toward building an inclusive playground. Participants can relax at the Edge afterwards, with awards for top finishers.
The Ft Knox Triathlon Challenge features a 400m swim, 15km bike, and 5K run across Anderson Aquatics and Eastman Park. Registration includes a shirt, water bottle, and bib, with awards for top finishers. It's a professionally organized event in Fort..
This fifth annual triathlon features a unique course starting and finishing at Mill Race Park. Participants run, paddle on the Cheat River, and bike between parks. All proceeds support the local volunteer fire department.
IRONMAN Jacksonville debuts on Florida's Atlantic coast in 2026. Athletes will tackle a full-distance course featuring a downriver swim, a flat bike leg, and a rolling run finishing downtown. This inaugural event brings the IRONMAN challenge to the v..
Experience Miami's premier multisport event at Crandon Park featuring Olympic and Sprint distances with a scenic bike course over the William Powell Bridge and paved seaside running trails.
A run, paddle and bike triathlon in Downtown Owosso combining an approximately 3.1 mile run, a 3.1 mile paddle and a 9-mile bike loop. Open to individuals and 2-3 person relay teams and supports the Friends of the Shiawassee River.
Experience a diverse multisport event at Lake Anna State Park with 18 race options including triathlon, duathlon, and running. Join athletes 60 miles from Richmond for sprint or olympic distances in a scenic lakeside setting.
Multi-distance triathlon and duathlon in Kansas City on May 17, 2026, with Olympic, sprint, relay, and elite formats, time trial and wave swim starts, and closed flat bike and run courses.