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!
April 2026
Take on the Caveman Triathlon in Flower Mound on April 12, 2026, a fast sprint tri with a pool swim, flat 11.5 mile bike and a 5K run. All finishers get a tech shirt, socks and a medal, plus age group Athena and Clydesdale divisions.
Race Tri Aggieland at Sandy Point Park in Bryan TX for a triathlon or duathlon while supporting the student run Texas A&M Triathlon Team. Swim the lake, ride scenic roads and finish with a 5K as teammates and fans cheer you on.
Join the BillBone Olympic Triathlon at Okeeheelee Park in West Palm Beach on April 12, 2026, with Olympic and Sprint races plus duathlon, aquabike and relays for every level. Swim, bike and run through scenic park terrain and high energy race day.
Columbia Duathlon in Columbia, Maryland features a sprint race and two youth events on fast looped courses with one challenging hill. Grab your spot early for this popular multisport race that includes a race shirt and finisher medal.
Race at scenic Millerton Lake on April 12, 2026 with triathlon, aquabike, duathlon and 5K and 10K run options for all levels. Limited to 200 participants for a friendly day of racing with medals, shirts and photos.
Join Flora Bama's 28th Mullet Man Triathlon in Pensacola on Apr 18, 2026 for a sprint tri around the Ole River and Perdido Key, benefiting the Leukemia Lymphoma Society. Swim bike and run, then celebrate with awards and a beachside party.
Race Memorial Hermann IRONMAN Texas in The Woodlands on April 18, 2026, featuring a lake swim, a flat closed road bike and a rolling run that includes the famed Hippie Hollow. Enjoy a top ranked run course and chances to qualify for the IRONMAN World..
Take on the Belews Lake Sprint at Carolina Marina in Stokesdale with open water swim, rolling bike hills and a 5k run using a time trial start. Sprint tri, duathlon, aquabike and virtual options in the Trivium Multisport Series.
Sprint tri and multisport race at Carolina Marina on Belews Lake with triathlon, duathlon, and aquabike options. Time trial swim start leads to scenic bike and run courses with post race food, medal, and awards.
Take on a fast, flat sprint at Ride on Ryan Triathlon and Duathlon in Savannah on April 18, 2026 at L. Scott Still Park. Open to ages 9 and up with individual and relay entries for short swim, bike, and run.
US Triathlon Cross Nationals returns to Pace Bend Park in Austin on April 18, 2026 with off road triathlon and duathlon in full and sprint distances. Tackle rugged trails and technical singletrack in a high energy championship vibe.
Sprint triathlon, duathlon, aquabike and relay options at scenic John Tanner Park in Carrollton promise a fast, family friendly spring race around the lake and county roads. Open to ages 9 and up with USAT sanctioned race day options.
Take on the Sky Rim Duathlon in Durango on April 18, 2026. Based at Fort Lewis College, this scenic three segment race features a 3 mile run, 12.5 mile bike and a final 3 mile run on college roads and Rim Drive.
Swim the warmer waters of Lake Anna and pedal and run with Blue Ridge Mountain views at the Rumpus in Bumpass Triathlon. Choose Olympic or Sprint distances, solo, relay or aquabike for a scenic spring race experience.
Experience the 3rd annual Crystal Beach SUP/RUN 5K on April 18, 2026 with a stand up paddle race across St Joseph Sound and a scenic 5K run along coastal trails and the Pinellas Trail. Enjoy music, awards, refreshments and family friendly fun.
Join the Lake Murray Sprint Triathlon at Dreher Island State Park. A 750 meter lake swim, scenic 16 mile bike and shaded 5 kilometer run make this SC Triathlon Series stop a fast, fun race day experience.
Hanging Man is a scenic multi stage triathlon at Hanging Rock in Danbury on April 19, 2026, starting and finishing at Green Heron Ale House. Tackle road cycling, rugged trail runs and repeated open water swims across park lakes and the Dan River.
The Rockman Triathlon returns to Rockwall ISD Aquatic Center on Sunday April 19, 2026 with Sprint, Super Sprint, relay and virtual options. Pool swims plus bike and run courses offer something for newcomers and seasoned racers alike.
Join Cal Tri Charlotte on April 19, 2026 at Lake Norman State Park in Statesville NC for a full day of triathlon action with 18 race options from youth sprints to Olympic distances. Youth races are free for ages 7 to 17 and registration opens March 2..
Test your early season fitness at the Pinnacle Peak Duathlon in Enumclaw, WA. This chip timed run bike run on mostly flat farm country roads features a small field and low frills for a focused, fast race day.