Triathlon Calendar United States 2025-2026

The Dayton Triathlon & Multisport Festival

Springfield, Ohio

Triathlon

The Dayton Triathlon & Multisport Festival, held at Buck Creek State Park Beach in Springfield, Ohio, offers a variety of events suitable for all ages and skill levels. Participants can choose from be..

Pleasant Prairie Cup Triathlon

Kenosha, Wisconsin

Triathlon

The Pleasant Prairie Cup Triathlon is a competitive event scheduled for June 1, 2025, in Pleasant Prairie, Wisconsin. This triathlon features various races tailored for young athletes, including Junio..

Music City Triathlon

Nashville, Tennessee

Triathlon

The Eddie Ferrell Music City Triathlon, taking place in Nashville, TN, features a variety of events including individual and relay options for both Sprint and Olympic triathlons, as well as aquabike a..

PineappleMan Triathlon

Melbourne Beach, Florida

Triathlon

The Indian River Networks 39th Annual PineappleMan Triathlon/Duathlon is set to take place in Melbourne Beach, Florida. This historic event, established in 1985, is recognized as the oldest USAT sanct..

Lake Mills Triathlon

Lake Mills, Wisconsin

Triathlon

The Lake Mills Triathlon is an exciting event that is part of the Wisconsin Triathlon Series, taking place in Lake Mills, Wisconsin. This annual triathlon features a sprint distance course, including..

Escape from Alcatraz Triathlon Semper Fi & America's Fund Team

San Francisco, California

Triathlon

The 2025 Escape from Alcatraz Triathlon, organized by Semper Fi & America's Fund, is set to take place in San Francisco, attracting triathletes from around the world. This iconic event features a chal..

Fort DeSoto Triathlon Series

St. Petersburg, Florida

Triathlon

The Fort DeSoto Triathlon Series is a popular multi-sport event held at Fort DeSoto Park in St. Petersburg, Florida. The series features multiple races, including Sprint Triathlon, Sprint Duathlon, In..

Reston Sprint Triathlon

Herndon, Virginia

Triathlon

The Reston Sprint Triathlon is an annual event held on the first Sunday in June, with the next race scheduled for June 1, 2025. Participants can compete in a 400-meter swim in Lake Newport, followed b..

Pigman Triathlon

Palo, Iowa

Triathlon

The Pigman Triathlon, Duathlon, and Open Water Swim is a popular multi-sport event taking place in Palo, Iowa. Scheduled for June 1, 2025, it features a variety of competitions including Sprint and Ol..

Thursday

Cupertino Splash and Dash

Cupertino, California

Aquathlon

The Cupertino Splash and Dash is an exciting aquathon event scheduled for June 5, 2025, in Cupertino, California. Participants can engage in a 1.5 km swim followed by a 5 km run, making it a perfect o..

6-8

Fr - Su

Safe Fun-Fit Endurance Fest

Corpus Christi, Texas

Multisport

The Safe Fun-Fit Endurance Fest is an exciting multi-day running and biking event taking place in Corpus Christi, Texas, from June 6 to June 8, 2025. Participants can choose from a variety of races, i..

Best in the West Triathlon

Sweet Home, Oregon

Triathlon

The Best in the West Triathlon Festival is a premier athletic event taking place at Foster Reservoir in Oregon. Scheduled for June 7-8, 2025, it features a variety of races including Half-Iron, Olympi..

Island Lake Triathlon

Brighton, Michigan

Triathlon

The Island Lake Triathlon, Duathlon, and Aquabike, organized by Epic Races, is set to take place in Brighton, Michigan, on June 7, 2025. This event features a variety of competitions, including Olympi..

Trinona

Winona, Minnesota

Triathlon

Trinona is a scenic multi-sport event taking place in Winona, Minnesota, featuring a variety of races including Olympic and Sprint distance triathlons, Duathlons, and Aquabike events. Participants can..

Treasure Valley Triathlon

Boise, Idaho

Triathlon

The Treasure Valley Triathlon is a community-focused event taking place in Boise, Idaho, on June 7, 2025. This circuit-style triathlon features a closed course along the scenic Boise River, making it..

Tri-Shark Classic

Hudson, Illinois

Triathlon

The Tri-Shark Classic is a premier triathlon and duathlon event taking place in Hudson, Illinois. Scheduled for June 7, 2025, the event features a variety of competitions, including a triathlon, duath..

The Great Escape Triathlon

Wardsville, Missouri

Triathlon

The Great Escape Triathlon, taking place on June 7-8, 2025, in Jefferson City, Missouri, offers a variety of events suitable for all ages and skill levels. Participants can choose from the Super Sprin..

Tri the Parks - Lake Lanier Rowing Park Sprint

Gainesville, Georgia

Triathlon

The Tri the Parks - Lake Lanier Rowing Park Sprint is a multi-sport event taking place in Gainesville, GA, featuring a Sprint Triathlon, Duathlon, and Aquabike. Participants can choose from various ra..

Grand Rapids Triathlon

Ada Township, Michigan

Triathlon

The Grand Rapids Triathlon, taking place on June 7-8, 2025, in Ada, MI, is a premier two-day event that caters to athletes of all skill levels. Recognized as one of the Top 5 Best Triathlons for Begin..