Triathlon Calendar United States 2025-2026

Wednesday

Tri Faster SwimRun

Brookfield, Wisconsin

Aquathlon

The Tri Faster SwimRun - Race #3 is an exciting multi-sport event taking place at Fox Brook Park in Brookfield, WI. Participants can choose from various events, including a 1000m swim followed by a 5k..

17-20

Th - Su

NSR Summer Camp

Ardmore, Oklahoma

Triathlon

The NSR Summer Camp, hosted by Negative Split Racing, offers an exceptional triathlon training experience in Ardmore, OK. Celebrating its 17th year, the camp features fully supported swim, bike, and r..

Great American Triathlon

Rancho Cordova, California

Triathlon

The Great American Triathlon, taking place in Rancho Cordova, CA, is a premier outdoor sporting event that celebrates its 5th annual edition on July 19, 2025. This unique triathlon features a challeng..

Turtleman Triathlon

Shoreview, Minnesota

Triathlon

The Turtleman Triathlon, held at Turtle Lake Park in Shoreview, Minnesota, is one of the state's oldest triathlons, catering to both novice and experienced athletes. Participants can choose between Sp..

Cereal City Triathlon

Springfield, Michigan

Triathlon

The Cereal City Triathlon & Duathlon, scheduled for July 19, 2025, in Battle Creek, MI, is a vibrant multi-sport event held at Willard Beach Park. Participants can choose from various formats, includi..

Territorial Triathlon Series

Guthrie, Oklahoma

Triathlon

The Territorial Triathlon Series, organized by TRI-It Racing Clubs, features a variety of events including Olympic, Sprint, and Super Sprint distances, as well as Aquabike options. Set to take place a..

Park 2 Park Triathlon

Hickman, Nebraska

Triathlon

The Park 2 Park Triathlon is an exciting multi-sport event taking place at StageCoach Lake in Hickman, Nebraska. Participants can compete solo or in teams of two, engaging in a sequence of running, ka..

Sunrise Side Triathlon

East Tawas, Michigan

Triathlon

The Sunrise Side Triathlons & Duathlon is a multi-sport event taking place in East Tawas, Michigan. Scheduled for July 19, 2025, it features a variety of competitions including Olympic Triathlon, Spri..

TriWalloon

Walloon Lake, Michigan

Triathlon

TriWalloon is a popular triathlon event held in Walloon Village, Michigan, featuring a stunning backdrop of Walloon Lake. The event includes various competitions such as a Sprint Triathlon, Duathlon,..

Tri In

Bartlesville, Oklahoma

Triathlon

The Tri In July is a sprint triathlon event taking place in Bartlesville, Oklahoma, designed to benefit the Richard Kane YMCA Scholarship program. Participants will tackle a 400m pool swim, followed b..

Tri Mountain Lake

Belvidere, New Jersey

Triathlon

The TRI Mountain Lake event is a sprint triathlon taking place in Liberty Township, New Jersey. It features a 1/4 mile swim, a 15-mile bike ride, and a 3-mile run, showcasing the scenic beauty of Moun..

Nantucket Triathlon

Jetties Beach, Massachusetts

Triathlon

The Nantucket Triathlon is a popular athletic event scheduled for July 19, 2025, at Jetties Beach in Nantucket, MA. Participants can compete as individuals or in relay teams of two or three members. T..

Sullivan Lake Triathlon

Metaline Falls, Washington

Triathlon

The Sullivan Lake Triathlon 2025 is set to take place in the scenic Sullivan Lake Recreational Area of the Colville National Forest, near Metaline Falls, Washington. This exciting event features a spr..

Cal Tri Williamsburg

Williamsburg, Virginia

Triathlon

The 2025 Cal Tri Williamsburg is a multi-sport event taking place at Jamestown Beach Park in Williamsburg, Virginia. This triathlon features a variety of race options, including Sprint and Olympic dis..

Crystal Lake Aquathon

Crystal Lake, Illinois

Aquathlon

The Crystal Lake Aquathon, taking place on July 20, 2025, at Three Oaks Recreation Area in Crystal Lake, IL, is the only aquathon event in Illinois. This annual competition features various timed race..

Pioneer Power Sprint Triathlon

Denton, Texas

Triathlon

The Pioneer Power Sprint Triathlon & 5K is a multi-sport event taking place at Texas Woman's University in Denton, Texas. Participants can compete individually or as part of a team in the triathlon, w..

Ironman 70.3 Ohio

Sandusky, Ohio

Triathlon

The IRONMAN 70.3 Ohio is a premier triathlon event held in Sandusky, Ohio, known for its scenic coastal setting along Lake Erie. Participants kick off the race with a unique ferry swim start, followed..

Ironman 70.3 Oregon

Salem, Oregon

Triathlon

The IRONMAN 70.3 Oregon is a premier triathlon event held in Salem, Oregon, featuring a scenic 1.2-mile swim in the Willamette River, a 56-mile bike ride through picturesque wine country, and a flat 1..

Omaha Triathlon

Omaha, Nebraska

Triathlon

The Omaha Triathlon, taking place at Lake Cunningham, is the only Olympic distance triathlon in Nebraska and will be held on July 20, 2025. This event features a variety of race options, including ind..