Triathlon Calendar United States 2025-2026

Wallis Sands Triathlon

Rye, New Hampshire

Triathlon

The Wallis Sands Triathlon, taking place at Wallis Sands State Park in Rye, New Hampshire, offers a scenic and exciting experience for athletes. Participants can choose from various events, including..

Key Biscayne Triathlon Trilogy

Key Biscayne, Florida

Triathlon

The Key Biscayne Triathlon Trilogy #2 is a multi-sport event taking place at Crandon Park in Key Biscayne, Florida. This exciting race features various competitions, including Sprint Triathlon, Sprint..

Last TRI

Shelby Township, Michigan

Triathlon

The Last TRI is an exciting multisport event taking place at Stony Creek Metropark in Shelby Township, MI. This inaugural event features a variety of competitions, including Olympic and Sprint Triathl..

27-28

Sa - Su

Waterman's Triathlon Festival

Rock Hall, Maryland

Triathlon

The Waterman's Triathlon Festival, taking place in Rock Hall, Maryland, features a variety of triathlon events over two days, including Long Course, Olympic, and Sprint distances, as well as Aquabike..

YMCA Wrightsville Beach Triathlon

Wrightsville Beach, North Carolina

Triathlon

The YMCA Wrightsville Beach Sprint Triathlon, established in 1979, is a beloved event that attracts both local and visiting triathletes. Set in the picturesque Wrightsville Beach, the triathlon featur..

Knights Fury Duathlon

Honeoye Falls, New York

Duathlon

The Knights Fury Duathlon is an exciting athletic event taking place at Stewarts Lodge in Mendon Ponds Park, Honeoye Falls, NY. Organized by First Knight Racing, the duathlon features two main events:..

Rev3 Mighty Matapeake

Stevensville, Maryland

Triathlon

The Rev3 Mighty Matapeake is a multisport festival held in Stevensville, Maryland, celebrating the scenic parks of Queen Anne's County. Participants can choose from various events, including the Sprin..

Mesa Sprint Triathlon

Mesa, Arizona

Triathlon

The Mesa Sprint Triathlon is a fundraising event organized by the Foundation for Mesa Parks & Recreation, aimed at providing underprivileged children access to swimming and summer recreation programs..

Fall Classic Du

Lake Elmo, Minnesota

Duathlon

The Oakdale Fall Classic Du is a popular duathlon event held at the scenic Lake Elmo Park Reserve, making it an ideal choice for first-time duathletes. Participants can choose between a regular course..

Ironman 70.3 Augusta

Augusta, Georgia

Triathlon

The IRONMAN 70.3 Augusta is a thrilling triathlon event held in Augusta, Georgia, known for its scenic courses and Southern hospitality. Athletes will tackle a 1.2-mile downriver swim in the Savannah..

Ironman Chattanooga

Chattanooga, Tennessee

Triathlon

IRONMAN Chattanooga is a premier triathlon event taking place in Chattanooga, Tennessee, as part of the VinFast IRONMAN North America Series. Athletes will experience a scenic course featuring a fast..

She Tris Sprint Triathlon- Huntersville (NC)

Huntersville, North Carolina

Triathlon

The She Tris Sprint Triathlon in Huntersville, NC, is an empowering event designed exclusively for women of all skill levels, taking place on September 28, 2025. Participants can choose from various e..

DQ Treasure Island Sprint Triathlon

Point Pleasant, New Jersey

Triathlon

The DQ Treasure Island Sprint Triathlon, Duathlon, Aquabike, and Kayak Triathlon is a multi-sport event taking place at Riverfront Park in Point Pleasant, NJ. Scheduled for September 28, 2025, the eve..

South Padre Island Triathlon and South Texas State Championships

South Padre Island, Texas

Triathlon

The South Padre Island Triathlon and South Texas State Championships is a premier athletic event featuring various race categories, including Sprint Individual, Olympic Individual, Sprint Relay, and d..

MightyMan Montauk

Montauk, New York

Triathlon

MightyMan Montauk is a triathlon event held in Montauk, New York, featuring both Olympic and Sprint distances. Participants can choose from various categories, including individual, relay, and AquaBik..

Robious Landing Triathlon

Midlothian, Virginia

Triathlon

The Robious Landing Triathlon, held at Robious Landing Park in Chesterfield, VA, features a variety of events including a Women's NCAA Draft-Legal Collegiate Cup, sprint triathlons, duathlons, aquabik..

Mudskipper U.S. Individual SwimRun Championships

Borden, Indiana

Aquathlon

The Mudskipper U.S. Individual SwimRun Championships, part of the Mudskipper Championship Series, will be held on September 28, 2025, at Deam Lake State Recreation Area in Borden, Indiana. This challe..

October 2025

Oct

Mermaid Triathlon & Duathlon Capitola

Capitola, California

Triathlon

The Mermaid Triathlon & Duathlon Capitola, held at Capitola Beach, California, is California's longest-running women's triathlon, celebrating its 21st year in 2025. The event features Sprint and Super..

Oct

Castle Creek Triathlon

Peoria, Illinois

Triathlon

The Castle Creek Triathlon, organized by 4 Peaks Racing, is an exciting endurance event set against the stunning backdrop of the Southwestern landscape. Participants can choose from various categories..

Oct