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
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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 Sugar River Triathlon at Lake Belle View for a brisk sprint with a calm lake swim, rolling bike miles and a scenic 5K on gravel trails. Friendly vibe, finisher medal and tasty post race food.
Take on the North East Triathlon on August 23, 2026 in North East, Maryland with Olympic and Sprint distances plus aquabike and relay options. Enjoy a Chesapeake Bay time trial swim, scenic hilly bike around Elk Neck State Forest, and a rolling out a..
Take on the Old College Tri & 5K in Denton, Texas, with a lazy river swim, scenic bike course and a 5K that finishes inside the stadium. All finishers earn a medal and registered racers receive a custom Old College Tri race shirt.
Take on the DQ Medford Lakes Colony Sprint Triathlon, Duathlon and Aquabike on August 23 in scenic Medford Lakes, NJ. Swim in a private lake, tackle a 17.2 mile bike course and finish with a 5k for a T shirt and finisher medal.
Join the Santa Barbara Triathlon & Beach Festival each August for ocean swims, scenic rides by the Santa Ynez mountains, and a beachfront finish with music and refreshments. All abilities are welcome in this lively beach festival atmosphere.
Join the Anthem Sprint Triathlon in Anthem, AZ. This reverse order sprint features a pool swim, bike loops and a 5K run and welcomes adults, kids and relay teams. Finishers get hoodies, medals and post race refreshments.
Dive into TRI Clear Lake 2026, the Iowa state championship triathlon with Sprint and Olympic distances and relay teams. Finish lakeside and celebrate with music, food, and a lakefront finisher party.
Race around scenic Priest Lake on August 30, 2026, with sprint and team relay options for road bike or off road riders. Enjoy lakeside views and a fun challenge solo or with a crew.
Cal Tri Charlottesville is a multisport meet at Fry's Spring Beach Club with a beginner friendly pool swim start and a variety of sprint races for adults and free youth entries. Options include triathlon, run bike run and a 5K.
Challenge yourself at the 16th Annual Fawn Lake Triathlons in Spotsylvania with adult, youth and 3 person relay races set on scenic Fawn Lake. All race proceeds support local charities, and finishers get medals, swag and free race photos.
Join the Lakes Country Triathlon in Baxter, Minnesota on August 30 for a scenic swim, rolling bike route, and neighborhood finish. Individual and team relays support local youth, with a kids triathlon the day before.
Take on the Geist Waterfront Triathlon on Aug 30, 2026, with Sprint and Olympic distances plus duathlon, aquabike and relay options. Beach swims and scenic reservoir bike and run loops make for a fast, friendly race.
Join a sprint triathlon and kids triathlon at Preston Miller Park in Bowling Green on August 30, 2026. Swim, bike and run courses plus relays and special divisions, with shirts and finisher gifts, promise a fun day for racers of all ages.
September 2026
CassadagaMan is a scenic, hilly triathlon near Buffalo and Erie offering long and intermediate solo, AquaBike and relay options. Enjoy stocked aid stations, post race food, beer garden and community vibes on September 5, 2026.
Join the Tugaloo triathlon in Lavonia Georgia on September 5 2026 with Olympic and Sprint distances plus relay and aquabike divisions. Scenic Tugaloo State Park offers swim bike and run courses for solo racers and club teams.
Challenge yourself at the 2026 Lake Nighthorse Triathlon in Durango on September 5, with Sprint and Olympic options plus male, female and coed sprint relays. Swim scenic high country waters then tackle hilly bike sections and a rolling dirt and grave..
Race a scenic sprint tri at Lake Siskiyou in Mount Shasta on Labor Day weekend, with a short swim, 16 mile bike and 3.2 mile run. Open to individuals, relays and duathletes, the event supports Dunsmuir Rotary and local kids.
Take on CajunMan in Lafayette with triathlon, duathlon, aquathlon and a 5K around scenic Airport Lake. With beginner options and relay teams welcome, this friendly multisport festival is perfect for athletes and first timers alike.
Race the MI Triathlon and Duathlon Championship at Belle Isle in early September 2026, with triathlon, duathlon, aquabike and relay options on a scenic island course. Distances from sprint to Olympic welcome racers of all levels.
Celebrate Labor Day at Oak Point Recreation Center in Plano with the Blackland Triathlon on September 7, 2026. Multiple adult, youth and adaptive distances welcome all abilities, plus a training program and a relaxed post race picnic.