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!

July 2025
The Davis Lake Triathlon, scheduled for July 4, 2025, in Luverne, MN, features a combination of kayaking, biking, and running. Participants can choose between two race categories: the Minnow Race, whi..
The DQ Triathlon, Duathlon, Aquabike, and Aquathlon at Vincentown is a multi-sport event scheduled for July 5, 2025. Participants can choose from various events, including a triathlon, duathlon, aquab..
The Litchfield Hills Triathlon, set in New Hartford, CT, is a challenging and rewarding event that showcases the scenic beauty of the area. Participants can choose from an Olympic Triathlon, AquaBike,..
The Hagerstown Sprint & Youth Triathlon is an annual event taking place at Halfway Park in Hagerstown, Maryland. Scheduled for July 5-6, 2025, it features a variety of races suitable for participants..
The Seabeck Triathlon, taking place at Scenic Beach State Park in Seabeck, WA, is an exciting inaugural event scheduled for July 4th weekend in 2025. Participants will tackle a 1/4 mile swim in the pi..
The Independence Day Triathlon, scheduled for July 6, 2025, in Coconut Creek, FL, features a variety of events including a Sprint Triathlon, Sprint Duathlon, and Sprint Aquabike. The race takes place..
The Hudson Valley Triathlon Club Summer Tri Series is a popular event held at Kenneth L. Wilson State Park in Mount Tremper, NY. Celebrating its 23rd year, the series features a Super Sprint Triathlon..
The MightyMite Triathlon is set to take place on July 12, 2025, in Forrest City, Arkansas. This annual event, now in its 42nd year, features a challenging course that includes a 1/3 mile swim, a 13-mi..
The Ann Arbor Tri, Du, & Aquabike is a renowned multi-sport event taking place in Gregory, Michigan, on July 12, 2025. This event features a variety of competitions, including Olympic and Sprint triat..
The Logan Triathlon, also known as the Cache Valley Super Sprint Triathlon, features a variety of events including Sprint and Olympic distances, as well as relay options for teams of 2 to 3 participan..
The Hayden Sprint Triathlon is a dynamic sporting event scheduled for July 12, 2025, in Hayden, Idaho. Participants can engage in various categories, including individual races, relay teams, and speci..
The Echo Triathlon, held annually in Coalville, Utah, is one of the state's largest triathlon events, attracting both seasoned athletes and beginners. Participants can choose from various distances, i..
The IRONMAN 70.3 Muncie is a premier triathlon event held in Muncie, Indiana, featuring a flat swim in Prairie Creek Reservoir, a fast bike course through the scenic Indiana countryside, and a run thr..
The Rigby Lake Rumble Triathlon is set to take place on July 12, 2025, at Jefferson County Lake in Rigby, Idaho. Organized by Tri Peaks Epic Events, this exciting triathlon features various categories..
The Lake Whatcom Triathlon, established in 2017, is a USAT-sanctioned event held in Bellingham, Washington. It features multiple race options, including an Olympic course with a 1500-meter swim, a 40k..
The Pardeeville Triathlon is a prominent event in the Wisconsin Tri Series, taking place annually in Pardeeville, Wisconsin. This triathlon features a spectator-friendly course that includes a 1/4-mil..
The 45th Annual La Porte Triathlon, taking place in La Porte, Indiana, is a celebrated event in the triathlon community, marking its long-standing tradition as Indiana's longest-running triathlon. Thi..
The Diamond in the Rough Triathlon is a multi-sport event held in Perryville, Maryland, featuring various race formats including Olympic and Sprint triathlons, aquabikes, and relays. Set against the s..
The Delta Lake Triathlon, set in the scenic Delta Lake State Park in Rome, NY, features a variety of events including Sprint and Olympic Triathlons, AquaBike competitions, and the challenging Delta Do..
The Tri the Parks - Richard B Russell Sprint XL is a multi-sport event taking place in Elberton, Georgia, featuring a Sprint XL Triathlon, Duathlon, and Aquabike. Scheduled for July 12, 2025, the even..