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 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, scheduled for August 2, 2025, is the 16th annual USAT sanctioned event held at Lake Tye Park in Monroe, Washington. This triathlon caters to participants of all skill levels, f..
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, and aqua-bikes...
The Smith Point Sprint Triathlon is set to take place at Smith Point County Park in Shirley, NY, featuring a variety of events including an Individual Triathlon, Triathlon Relay, High School Individua..
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 multiple race formats including S..
The Lums Pond Triathlon, taking place at Lums Pond State Park in Bear, Delaware, features both Olympic and Sprint distance events, catering to athletes of all levels. Participants can choose from indi..
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 an exciting multi-sport event taking place in Williamstown, NJ. Participants can choose from various events, including a traditional triathlon, relay triathlon, aq..
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 fun and challenging event held in the picturesque lakeside community of Cassadaga, NY. This series includes a Super Sprint triathlon featuring 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..
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 unique opportunity to swim in a former rock qua..