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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Utah12
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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 628 exciting races across the country. Find your next race in the United States below and join the running community at these great events!
November 2026
Chilly Willy Duathlon brings a brisk run, bike, run challenge to St Petersburg FL on February 15 2026. Start your season with Thunderbolt Multi Sports and test your speed and stamina in this lively multisport event.
Take on the Game On! FLORIDA Lagoon Triathlon at Mirada Lagoon in San Antonio, FL on November 15, 2026. Swim in a freshwater lagoon then bike and run across sprint and international distances with relay, duathlon and aquabike options.
December 2026
CLASH Endurance Daytona is a triathlon festival at Daytona International Speedway from December 4 to 6, with races for ages 10 to 99. Events range from a festive Jingle Jog 5K to sprint and Daytona distance triathlons, relays and kids races.
IRONMAN 70.3 La Quinta on Dec 6, 2026 features a Lake Cahuilla swim, a fast flat bike lap by Thermal Raceway and a palm tree lined run with mountain views. World Championship spots possible.
January 2027
Take on the White Continent Triathlon in Antarctica for a one of a kind swim, bike and run amid dramatic polar scenery. Limited to 20 athletes and held in late January 2027, this intimate event is a true bucket list challenge.
March 2027
Race the Space Coast Triathlon and Duathlon in Historic Cocoa Village on March 21, 2027. Choose sprint tri, duathlon, aquabike or relay and enjoy a scenic Indian River swim, Rockledge Drive bike and Cocoa Riverfront Park finish.
August 2029
Join Pickle Events Tri Template in St. Cloud on August 1, 2029 for sprint and Olympic triathlon distances and relay teams at scenic Island Lake Park. Friendly organizers and a lakeside course make this a perfect summer multisport challenge.
December 2050
Casual test event of scoring and race systems featuring sprint triathlon, aquathlon and sprint relay. Open to athletes 13 and up, it is a great chance to practice race routines and connect with the multisport community.