United States
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Alabama8
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Alaska7
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Arizona12
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Arkansas2
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California32
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Colorado7
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Connecticut3
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Delaware3
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District of Columbia
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Florida42
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Georgia12
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Hawaii1
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Idaho9
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Illinois14
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Indiana15
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Iowa6
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Kansas6
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Kentucky3
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Louisiana3
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Maine6
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Maryland10
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Massachusetts13
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Michigan19
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Minnesota16
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Mississippi3
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Missouri8
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Montana3
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Nebraska2
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Nevada
-
New Hampshire1
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New Jersey19
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New Mexico3
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New York40
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North Carolina25
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North Dakota
-
Ohio8
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Oklahoma5
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Oregon9
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Pennsylvania16
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Puerto Rico
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Rhode Island
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South Carolina14
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South Dakota
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Tennessee18
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Texas38
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Utah10
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Vermont
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Virginia31
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Washington11
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West Virginia4
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Wisconsin22
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Wyoming2
Triathlon Calendar United States 2025-2026
Explore the best triathlons in the United States for 2025-2026! Our updated list features 542 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
Join the East Canyon Triathlon in Morgan, Utah with sprint and Olympic distances and relay options at scenic East Canyon Reservoir. Swim open water, enjoy a fast downhill bike and a riverside run for a memorable race day.
Summer Sizzler at Beaver Island State Park offers sprint, Formula 1 triathlon, aquabike and duathlon options, plus relays for many races. Swim the Niagara River with a beach start and enjoy scenic bike and run courses for all levels.
Race Kill Creek Park Triathlon, Duathlon, Aquabike and Aquathlon on August 8, 2026 in Olathe Kansas, featuring sprint distances and relay options. Capped at 400 entrants, this multisport event is perfect for solo racers and teams seeking a fast summe..
Dive into summer at the Twin Lakes Triathlon at Twin Lakes Bible Camp in Manson IA on August 8, 2026, with Sprint and Super Sprint courses for individuals and teams. Chip timed races, awards, breakfast and lakeside fun make a great race day.
Take on the Brigantine Beach Triathlon in Brigantine New Jersey with a quarter mile swim, 11 mile bike and 4 mile run around the island. Solo, relay and aquabike entries welcome and the day finishes with a DJ and awards.
Join the Lake Max Triathlon and Duathlon at Culver Academies for a scenic swim bike run festival featuring USAT sanctioned adult races, team options and kids triathlons. Enjoy on site perks like a chef prepared meal, beer garden, live band and post r..
Join the YWCA Minneapolis Women's Triathlon at Lake Nokomis on August 9, 2026 for an inclusive, para friendly event welcoming women and non binary athletes. Choose super sprint, sprint, relays or VIP race experiences.
Dive into sunshine and sea at the 16th annual Atlantic City Triathlon on August 9, 2026 at Bader Field. Choose Olympic or Sprint distances, finish on the iconic Boardwalk and enjoy post race festivities.
Kick off triathlon season at the Hermosa Beach Triathlon on Sunday August 9 2026, a beginner friendly sprint combining an ocean swim, scenic bike ride and beach run. Enjoy post race beach vibes, local dining and a supportive community.
Take on the Riverbluff Triathlon at Riverbluff Park in Ashland City on August 9, 2026, with Sprint and Olympic distance options plus virtual entries for any distance. Swim beneath scenic bluffs, then celebrate with food and live music at the post rac..
Join Cool Sommer Mornings in Clermont on Aug 9, 2026 for multisport racing from sprint to international distances, plus a 5K and virtual options. Finishers get a tech shirt and custom medal. Complete the series to earn a bonus fifth medal.
Explore Casco Bay by swimrun across islands, tide affected ocean swims and rocky runs with ferry starts and a lively finish on Peaks Island. Choose from sprint to World Series distances for a seaside adventure tested by tide and terrain.
Experience the thrill of OTILLO Swimrun across Casco Bay Islands near Long Island, Maine on August 9, 2026. Swim and run scenic coastal terrain with options for World Series, sprint and experience distances and spectator boats.
Take on a Super Sprint triathlon or AquaBike at the Hudson Valley Triathlon Club Summer Tri Series #3, set on a scenic mountain lake at Kenneth L. Wilson State Park. Enjoy a friendly race vibe, post race picnic and beer, and chase season points.
Take on the Tamarac Tri at scenic Fremont Lake Park on August 15, 2026, featuring a 750 m swim, 12.4 mile bike and 5K run, plus a relay option. Limited to 150 athletes, this friendly sprint tri offers open water swim waves and a lakeside finish.
The Great Loon Triathlon at Lake Mattanawcook offers sprint to half Ironman races and duathlon options with relays. Postponed to a new date TBD; registered athletes keep entry or can transfer to other Lifestyle Sports Global events.
Join the Miles Perret Cancer Services Triathlon in Lafayette on August 15, 2026 to support no cost cancer services. Choose individual or 2 person or 3 person relays for a short swim, bike and run in a community focused, limited field event.