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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Florida47
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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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Maryland12
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Massachusetts17
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Michigan27
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Minnesota18
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Mississippi3
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Missouri14
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Montana4
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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 York52
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North Carolina30
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North Dakota
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Ohio13
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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 639 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
Join the Stissing Triathlon in Pine Plains, NY on June 28, 2026 for a scenic sprint through rolling hills. Choose sprint, AquaBike, or a relay and enjoy a friendly, welcoming race day atmosphere.
St. Louis Triathlon at Creve Coeur Park on June 28, 2026 features Sprint and Olympic races plus aquabike, duathlon, relays and a 6K. Enjoy a shirt, medal, live results and a post race festival while supporting Wounded Warrior Project.
Join the 2026 Cal Tri La Crema in Guerneville, California on June 28 for scenic swims on the Russian River, rolling bike routes along River Road, and vineyard runs at La Crema Estate. Finish with a complimentary wine pour for athletes 21 and over.
TriWaco Triathlon returns to Indian Spring Park in downtown Waco on June 28, 2026, featuring sprint and Olympic distances on the scenic Brazos River and a spectator friendly bike course. Multiple categories and relays welcome athletes of all levels.
Dive into the Chattanooga Waterfront Triathlon on June 28, 2026 in downtown Chattanooga, Tennessee. Enjoy a downstream swim in the Tennessee River followed by scenic bike and run courses along the riverfront, with sprint, Olympic, relay and virtual o..
Join the Tampa Bay BABES Triathlon at Fort De Soto for a women only sprint tri, relay, duathlon, or aquabike on a flat traffic free bike course and scenic coastal run. Friendly competition with age group awards for all levels.
Test your fitness at the Duck Creek Triathlon in Howard, WI on June 28, 2026. Enjoy a quarry swim, a 15.5 mile bike and a 5K finish on the Mountain Bay Trail, then join the post race party. Relay teams welcome.
Join the Thurmond Triathlon on June 28, 2026 in scenic Thurmond, West Virginia for a beginner friendly bike, paddle, and run challenge. Proceeds benefit Active Southern West Virginia and finishers get shirts, snacks, and a welcoming finish.
Join the 2026 Lake Pflugerville Triathlon on June 28 at Lake Pflugerville, TX. Choose sprint or Olympic triathlon, aquabike or relay and enjoy scenic lake views, a rolling bike course and a fast flat run.
Dive into the scenic Sebago Lake Triathlon at St. Joseph's College in Standish, Maine on June 28, 2026, with sprint, Olympic, relay, duathlon and virtual options for all levels. Fast courses, pro timing and lakeside views make it a must do summer rac..
Dive into the Great Gatsby Triathlon in Port Washington on June 28, 2026 with in person, virtual and relay options for all ages. Short swim bike and run courses plus family friendly festivities make it a must do summer event.
Dive into the Manitou Triathlon at White Bear Lake, offering sprint and Olympic distances plus swim bike only options and relays for every level. Enjoy a scenic lake swim, fast bike and lively finish with on site photos and awards.
Join Mudskipper SwimRun at Torrey Public Beach on June 28 for a thrilling mix of open water swims and trail runs on scenic Seneca Lake. Choose single or double loop swimrun or 1K to 3K open water swims for all levels.
Make a splash at the Evergreen Lake Triathlon in Bath PA on June 28, 2026, with Super Sprint, Sprint, Duathlon and SwimFest options for every level. Race one or multiple sessions with stacked discounts at this USAT sanctioned lake event.
Take on the Cohasset Triathlon on June 28, 2026 at Sandy Beach in Cohasset, MA. This sprint distance event offers individual, aquabike, and relay team options for ages 14 and up, promising a fast, scenic seaside challenge for all abilities.
July 2026
Celebrate July 4 at the 40th Freedom Springs Triathlon in Marianna, FL at Blue Springs Recreation Park. This USA Triathlon sanctioned sprint features a spring water swim, a 10 mile bike and a 5K run. Choose individual, relay or virtual entry.
Race the Southern Tier Tri Club Summer Tri Series #2 in Cassadaga on July 8, 2026, a lively super sprint swim, bike, run perfect for beginners and veterans. Relays welcome, race two of a three race series with points.
IRONMAN 70.3 Muncie is North America's longest running 70.3 and an early qualifier for the 2027 World Championship. Swim Prairie Creek Reservoir, bike fast country roads and run rolling trails through Muncie Nature Park.
Take on an Olympic distance triathlon in scenic New Hartford with a 1500 m swim in West Hill Lake, a 40K bike and a 10K run on rural roads. AquaBike, relay teams and paratriathletes are welcome for a friendly, well produced race.