Triathlon Calendar United States 2025-2026

May

31

Saturday

Tri Greenville Triathlon & Duathlon

Greenville, Michigan

Triathlon

The Tri Greenville Triathlon & Duathlon is an exciting early-season event taking place in Greenville, Michigan, featuring a variety of races suitable for all ages and skill levels. Participants can ch..

May

31

Saturday

Triangle Sprint

New Hill, North Carolina

Triathlon

The Triangle Sprint & Mini-Sprint is a triathlon event taking place in New Hill, NC, featuring two main categories: the traditional Sprint Triathlon and a Mini Sprint Triathlon designed for novice par..

May - Jun

31-1

Sa - Su

Rock Hall Triathlon

Rock Hall, Maryland

Triathlon

The Rock Hall Triathlon, taking place from May 31 to June 1, 2025, in Rock Hall, Maryland, features a variety of events including Olympic and Sprint triathlons, aquabikes, and relays. Set against the..

May - Jun

31-1

Sa - Su

Silver Serpent Multisport Festival

Silver Lake, New York

Multisport

The Silver Serpent Multisport Festival, taking place from May 31 to June 1, 2025, in Silver Lake, NY, offers a variety of events for athletes of all ages and skill levels. Participants can choose from..

Jun

1

Sunday

TriRidgefield Sprint Triathlon

Ridgefield, Connecticut

Triathlon

The TriRidgefield Sprint Triathlon and Duathlon is an exciting athletic event taking place in Ridgefield, Connecticut. Established in 2007, the triathlon features a half-mile swim in Great Pond, a 13-..

Jun

1

Sunday

Women's Whisper Triathlon

East Meadow, New York

Triathlon

The Women's Whisper Triathlon is an inclusive event designed for women of all skill levels, taking place in East Meadow, NY. It features various competitions, including individual triathlons, AquaBike..

Jun

1

Sunday

The Dayton Triathlon & Multisport Festival

Springfield, Ohio

Triathlon

The Dayton Triathlon & Multisport Festival is a vibrant event held at Buck Creek State Park Beach in Springfield, Ohio, featuring a variety of races suitable for all ages and skill levels. Participant..

Jun

1

Sunday

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..

Jun

1

Sunday

Music City Triathlon

Nashville, Tennessee

Triathlon

The Ashley Whitney Music City Triathlon, set for June 1, 2025, in Nashville, TN, is an exciting multi-sport event featuring various race formats. Participants can choose from individual and relay opti..

Jun

1

Sunday

PineappleMan Triathlon

Melbourne Beach, Florida

Triathlon

The Indian River Networks 39th Annual PineappleMan Triathlon/Duathlon is a celebrated event taking place in Melbourne Beach, Florida. Established in 1985, it is recognized as the oldest USAT sanctione..

Jun

1

Sunday

Lake Mills Triathlon

Lake Mills, Wisconsin

Triathlon

The Lake Mills Triathlon is part of the Wisconsin Triathlon Series, taking place at Sandy Beach Park in Lake Mills, Wisconsin. This annual event features a sprint distance race, which includes a 400-m..

Jun

1

Sunday

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 on June 1, 2025. This iconic event, now in its 45th year, challenges participant..

Jun

1

Sunday

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..

Jun

1

Sunday

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..

Jun

1

Sunday

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..

Jun

5

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..

Jun

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 race cat..

Jun

7-8

Sa - Su

Best in the West Triathlon

Sweet Home, Oregon

Triathlon

The Best in the West Triathlon Festival is a premier athletic event held at Foster Reservoir in Oregon, featuring a variety of races designed for participants of all ages and skill levels. Events incl..

Jun

7

Saturday

Island Lake Triathlon

Brighton, Michigan

Triathlon

The Island Lake Triathlon, Duathlon, and Aquabike, organized by Epic Races, is set to take place at the Island Lake State Recreation Area in Brighton, Michigan. This event features a variety of races,..

Jun

7-8

Sa - Su

Trinona

Winona, Minnesota

Triathlon

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