Triathlon Calendar United States 2025-2026

Game On! Palm Beaches Triathlon

Singer Island, Florida

Triathlon

The Game On! Palm Beaches Triathlon is an annual event held at Ocean Walk on Singer Island, Florida. This triathlon features a variety of competitions, including a Sprint Triathlon, Sprint Duathlon, S..

Helena Outdoor Triathlon

Helena, Montana

Triathlon

The Helena Outdoor Triathlon (HOTri) is a multi-sport event taking place at Spring Meadow Lake State Park in Helena, Montana. Scheduled from June 1 to July 13, 2025, it features various race formats i..

Jamesport Triathlon

North Fork, New York

Triathlon

The Jamesport Triathlon is a multi-sport event taking place in Riverhead, NY, featuring a scenic course that includes a 500m swim in Peconic Bay, a 25k bike ride through local towns and farmlands, and..

Grand Haven Triathlon

Grand Haven, Michigan

Triathlon

The Grand Haven Triathlon, scheduled for July 13, 2025, offers a variety of events including Olympic and Sprint Triathlons, as well as Duathlons. Set in the picturesque Grand Haven, Michigan, particip..

Mountain Man Triathlon

Flagstaff, Arizona

Triathlon

The Mountain Man Triathlon, established in 1984, is one of the longest-running triathlons in the Western United States. Set against the stunning backdrop of the San Francisco Peaks, Lake Mary, and Mor..

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 an Individual Aquathon (1000m..

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, held annually in Rancho Cordova, California, is a unique and challenging event set along the scenic American River Parkway. Now in its 5th year, the triathlon features a..

Turtleman Triathlon

Shoreview, Minnesota

Triathlon

The Turtleman Triathlon, held at Turtle Lake Park in Shoreview, Minnesota, is one of the state's oldest triathlons, welcoming athletes of all levels. The event offers Sprint and Olympic distances, fea..

Cereal City Triathlon

Springfield, Michigan

Triathlon

The Cereal City Triathlon & Duathlon is a vibrant multi-sport event taking place in Battle Creek, Michigan, featuring a variety of race formats. Participants can choose from a standard triathlon, duat..

Territorial Triathlon Series

Guthrie, Oklahoma

Triathlon

The Territorial Triathlon Series, organized by TRI-It Racing Clubs, is set to take place in Guthrie, Oklahoma, featuring a variety of events including Olympic, Sprint, and Super Sprint triathlons, as..

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 celebrated multi-sport event held in East Tawas, Michigan, featuring a variety of races including Olympic and Sprint Triathlons, Duathlons, and the unique K..

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 held in Liberty Township, New Jersey, featuring a 1/4 mile swim, a 15-mile bike ride, and a 3-mile run. Participants can compete individually or as pa..

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 a thrilling sprint triathlon set in the scenic Sullivan Lake Recreational Area within the Colville National Forest, near Ione, Washington. Participants will swim 1/..

Judd's Summer Slam Triathlon

Hays, Kansas

Triathlon

Judd's Summer Slam Triathlon, held annually in Hays, Kansas, offers a challenging and family-friendly race experience. The event features a standard triathlon with a 400-meter swim, 12-mile bike ride,..