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 Brick Endurance Summer Triathlon Series is a sprint triathlon event held at Rolling View State Park in Durham, North Carolina. The series features four races throughout the summer, each consisting..
August 2025
The Alexandria Triathlon is a dynamic sports event scheduled for August 1-2, 2025, in Alexandria, Minnesota. Participants can choose from various events, including an Individual option with either a s..
XTERRA Portland is an exciting off-road triathlon event scheduled for August 2, 2025, in Gaston, Oregon. As part of the XTERRA World Tour, it offers a range of races, including a full distance triathl..
The Booster Bash Triathlon and 5K is an exciting athletic event organized by the Salem Wildcat Booster Club, taking place at the Salem Family Aquatic Center in Salem, Illinois. Participants can choose..
The K-Town on the River Triathlon, scheduled for August 2, 2025, in Knoxville, TN, offers a variety of events including Sprint, Olympic, and Half-Iron distances, as well as Duathlons and Aquabikes. Pa..
The 2025 Brigantine Beach Triathlon, organized by the City of Brigantine and Green Whales, Inc., features a variety of events including a Triathlon Open, relays, a Duathlon, and an Aquabike. Athletes..
The Lake Tye Triathlon, taking place on August 2, 2025, at Lake Tye Park in Monroe, WA, is a USAT sanctioned event suitable for participants of all skill levels, from beginners to elite athletes. The..
The YFC Seeley Lake Challenge Triathlon/Duathlon is a family-friendly event taking place at Riverpoint Campground in Seeley Lake, Montana. Participants can choose from various events, including solo a..
The Top Gun Triathlon is a prominent multisport event taking place in St. Petersburg, Florida, featuring a variety of competitions including individual and relay triathlons, duathlons, aqua-bikes, and..
The Smith Point Sprint Triathlon, scheduled for August 3, 2025, in Shirley, NY, features a variety of events including an Individual Triathlon, AquaBike, Bike Run (no swim), Triathlon Relay, and compe..
The Rockwall Kiwanis Tri Rock Triathlon is a dynamic sporting event scheduled for August 3, 2025, in Rockwall, Texas. Participants can choose from several events, including a Sprint Triathlon, a Triat..
The 21st Annual Steelman Racing Triathlon will take place at Lake Nockamixon State Park in Quakertown, Pennsylvania. This event caters to both seasoned triathletes and newcomers, offering a variety of..
The Brewhouse Triathlon, presented by Lakewalk Surgery Center, is a USAT-sanctioned event taking place in Duluth, Minnesota. Scheduled for August 3, 2025, it features various race formats including Sh..
The Lums Pond Triathlon, taking place at Lums Pond State Park in Bear, Delaware, features a variety of events including the Olympic and Sprint Triathlons, Aquabike, and relays. This race is designed f..
Andy's Race is a prominent triathlon event held in Greenville, South Carolina, dedicated to the memory of triathlete Andy Van Evera. The event features various competitions, including a Sprint Triathl..
The Badgers Autumn Lake Triathlon is a multi-sport event taking place in Williamstown, NJ, featuring a variety of competitions including a Triathlon, Relay Triathlon, Aquabike, Duathlon, Aquathon, and..
The Humans of Steel: Harris Lake Sprint & Olympic Triathlon is a vibrant multisport event taking place at Harris Lake County Park in New Hill, NC. Participants can choose from various events, includin..
The Tri Faster SwimRun - Race #4 is an exciting multi-sport event taking place at Fox Brook Park in Brookfield, WI. Participants can choose from various events, including an Individual Aquathon (1000m..
The Southern Tier Triathlon Club Summer Tri Series is a thrilling multi-sport event held in Cassadaga, NY, featuring a Super Sprint triathlon that includes a 400-yard swim, a 13-mile bike ride, and a..
The Cupertino Splash and Dash is an exciting aquathon event featuring a 1.5 km swim followed by a 5 km run. Set in the scenic Stevens Creek Reservoir and surrounding park trails in Cupertino, CA, this..