Triathlon Calendar United States 2025-2026

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Explore the best triathlons in the United States for 2025-2026! Our updated list features 617 exciting races across the country. Find your next race in the United States below and join the running community at these great events!

August 2025
The High Point Triathlon, part of the Trivium Multisport Series, takes place at Oak Hollow Lake in High Point, NC. This event is designed for both seasoned athletes and beginners, offering a short for..
The Coeur d'Alene Triathlon, taking place on August 9, 2025, is a scenic and challenging event held in the picturesque Pacific Northwest. Celebrating its 41st year, the triathlon features an Olympic d..
The Rock the Quarry Triathlon and Mile Swim is set to take place on August 9, 2025, at Fidler Pond Park in Goshen, Indiana. This annual event features a sprint triathlon, which includes a 500-yard swi..
The Twin Lakes Triathlon, scheduled for August 9, 2025, in Manson, Iowa, features a variety of events including the Sprint Triathlon, Super Sprint Triathlon, and Splash and Dash. Participants can comp..
The Atlantic City Triathlon is a premier sporting event taking place in Atlantic City, NJ, featuring a variety of triathlon formats. Participants can choose from the Olympic Triathlon, Olympic Aquabik..
The Lake Lure Sprint Triathlon is a popular annual event held in the scenic mountain town of Lake Lure, North Carolina. This triathlon features a 750-meter swim, a 14-mile bike ride, and a 5K run, cat..
The Kill Creek Park Triathlon, Duathlon, Aquabike, and Aquathlon is a multi-sport event taking place in Olathe, Kansas. Scheduled for August 9, 2025, it features various race formats including a Sprin..
The Lake Max Triathlon and Duathlon is a vibrant sporting event taking place in Culver, Indiana, featuring a variety of races for participants of all ages. Scheduled for August 9, 2025, the event incl..
The Sage City Triathlon, organized by Kirby Medical Center and the City of Monticello, is set to take place in Monticello, Illinois. This annual event features a variety of races, including a Sprint T..
The Summer Sizzler is a multi-sport event taking place in Grand Island, NY, featuring various competitions such as the Formula 1 Triathlon, Short Triathlon, Aquabike, Duathlon, and Relay Teams. Partic..
The YWCA Minneapolis Women's Triathlon is a celebration of women's strength, taking place at Lake Nokomis. This inclusive event invites women and non-binary individuals to participate in a swim, bike,..
The Girlfriends Triathlon & Fitness Festival is an annual all-women's event held in Vancouver, WA, designed to celebrate fitness and camaraderie among women. Set against the scenic backdrop of the Col..
The Niantic Bay Triathlon is a thrilling sprint distance event set in the scenic shoreline communities of Niantic and East Lyme, Connecticut. Participants will swim a half-mile in the calm waters of N..
The Wisconsin Women's Triathlon, formerly known as Iron Girl, is an empowering event aimed at uniting women of all ages in a supportive and energetic environment. Scheduled for August 10, 2025, at Pra..
Tri Santa Cruz is a vibrant and scenic triathlon event scheduled for August 10, 2025, in Santa Cruz, California. The event features a variety of competitions, including International and Sprint distan..
The Publix Riverbluff Triathlon, taking place in Ashland City, TN, offers a scenic and engaging experience for participants. Scheduled for August 10, 2025, this event features various race formats, in..
The Michigan Titanium is a premier multi-sport event taking place in Grand Rapids, Michigan, featuring a variety of races from August 10 to August 11, 2025. Participants can choose from several distan..
The Sharon Triathlon is a dynamic multi-sport event taking place in Sharon, Massachusetts, featuring a variety of race formats including Individual, Relay, and Individual AquaBike. Participants will n..
The Game On! Escape to Hutchinson Island Triathlon #2 is scheduled for August 10, 2025, in Stuart, Florida. This exciting event features multiple race options, including an International Triathlon, Du..
The Hudson Valley Triathlon Club Summer Tri Series is a popular annual event held at Kenneth L. Wilson State Park in Mount Tremper, NY. Celebrating its 23rd year, the series features a Super Sprint Tr..