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 433 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 is a sprint triathlon held annually at Oak Hollow Lake, Oak Hollow Marina in High Point, North Carolina. It features a 500-meter swim, a 13.5-mile bike ride, and a 3.1-mile ru..
The Coeur d'Alene Triathlon, known as "The Scenic Challenge," is a celebrated race in the Pacific Northwest held at City Park & Beach in Coeur d'Alene, Idaho. Marking its 41st year in 2025, the event..
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 unique opportunity to swim in a former rock qua..
The Twin Lakes Triathlon, scheduled for August 9, 2025, in Manson, Iowa, features a variety of events catering to different skill levels. Participants can choose from the Sprint Triathlon, which inclu..
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 athletic event held in the scenic town of Lake Lure, North Carolina. This triathlon features individual and relay categories, welcoming participants aged 10..
The Kill Creek Park Triathlon, Duathlon, Aquabike, and Aquathlon is a multi-sport event taking place in Olathe, Kansas. Scheduled for August 9, 2025, the event features various competitions including..
The Lake Max Triathlon and Duathlon is an exciting multi-sport event taking place in Culver, Indiana. Scheduled for August 9, 2025, it features various competitions including an adult triathlon, duath..
The Sage City Triathlon, hosted by Kirby Medical Center and the City of Monticello, is an annual event designed for both beginner and elite triathletes. Scheduled for August 9, 2025, it features a Spr..
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 Northwoods Triathlon, held annually in Nevis, Minnesota, is a well-established event now in its 22nd year. Sponsored by the Nevis Civic and Commerce Association, the triathlon supports local healt..
The East Canyon Triathlon, held in Morgan, Utah, offers both Sprint and Olympic distance races set against stunning scenery. This 12th edition features a fast, technical bike course starting at East C..
The YWCA Minneapolis Women's Triathlon, held at Lake Nokomis in Minneapolis, Minnesota, is an inclusive event celebrating the strength of women and non-binary individuals identifying with womanhood. T..
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, held in Niantic and East Lyme, Connecticut, is a scenic sprint triathlon suitable for both beginners and experienced athletes. The race features a 0.5-mile swim in the calm..
The Sylvania Triathlon, Duathlon, Aquabike, and Relay, presented by Skylight Financial Group, is one of the oldest multisport events in the United States, taking place at the Tam-O-Shanter Sports Comp..
The Wisconsin Women's Triathlon, formerly known as Iron Girl, is an empowering event aimed at uniting women of all ages in a supportive environment focused on health and fitness. Scheduled to take pla..
Tri Santa Cruz is a vibrant and scenic triathlon event held in Santa Cruz, California, featuring a variety of races including sprint and international (Olympic) distances, aquabike, duathlon, and aqua..
The Riverbluff Triathlon, set to take place in Ashland City, TN, is an exciting multi-sport event that offers participants a chance to compete in various formats, including individual and relay option..
The Michigan Titanium is a premier multi-sport event taking place in Grand Rapids, Michigan, featuring a variety of challenging races from August 10 to August 11, 2025. It includes the state's only 14..