Triathlon Calendar United States 2025-2026

Jun

8

Sunday

Bare Hill Sprint Triathlon

Harvard, Massachusetts

Triathlon

The Bare Hill Sprint Triathlon, Duathlon, and Aquabike will take place in Harvard, MA, on June 8, 2025. This grassroots event caters to both novice and experienced multi-sport athletes, featuring a Sp..

Jun

8

Sunday

Game On Escape to Hutchinson Island Triathlon

Sewall's Point, Florida

Triathlon

The Game On! Escape to Hutchinson Island Triathlon is a multi-sport event taking place in Stuart, Florida, featuring various race formats including International and Sprint Triathlons, Duathlons, Aqua..

Jun

14

Saturday

Cal Tri Castaic Lake

Castaic, California

Triathlon

The 2025 Cal Tri Castaic Lake event, scheduled for June 14, 2025, offers a variety of competitive options for athletes of all ages and skill levels. Participants can choose from multiple events, inclu..

Jun

14

Saturday

Lake Minnetonka Triathlon

Excelsior, Minnesota

Triathlon

The Lake Minnetonka Triathlon is an annual sprint-distance event held at Excelsior Commons in Excelsior, MN. This community-focused triathlon aims to promote health and wellness while supporting local..

Jun

14

Saturday

Conneaut Lake Triathlon

Conneaut Lake, Pennsylvania

Triathlon

The Conneaut Lake Sprint Triathlon is an exciting athletic event scheduled for June 14, 2025, in Conneaut Lake, Pennsylvania. Participants can choose to compete individually or as part of a relay team..

Jun

14

Saturday

Ironman 70.3 Boulder

Boulder, Colorado

Triathlon

The IRONMAN 70.3 Boulder is a premier triathlon event set against the stunning backdrop of Boulder, Colorado, at the foot of the Rocky Mountains. Athletes will experience a unique course that includes..

Jun

14

Saturday

Three Lakes Triathlon and San Juan Island Run

Friday Harbor, Washington

Triathlon

The Three Lakes Triathlons and Kings Market San Juan Island Runs is an exciting all-sport weekend event set in the picturesque Lakedale Resort on San Juan Island, WA. Scheduled for June 14, 2025, the..

Jun

14

Saturday

Lake Frances Triathlon

Valier, Montana

Triathlon

The Lake Frances Triple P Triathlon, scheduled for June 14, 2025, is an exciting multi-sport event held at Lake Frances in Valier, Montana. Participants can compete in a kayak triathlon as individuals..

Jun

14

Saturday

Tri Star Olympic Triathlon

Knoxville, Tennessee

Triathlon

The Tri Star Sprint & Olympic Triathlons, scheduled for June 14, 2025, in Knoxville, TN, features a variety of events catering to different athlete categories. Participants can choose from individual..

Jun

14

Saturday

Stafford Race for HOPE Triathlon

Manahawkin, New Jersey

Triathlon

The Stafford Race for HOPE Triathlon, Duathlon, and Aquabike is a multi-sport event taking place at Manahawkin Lake Park in New Jersey. Scheduled for June 14, 2025, the event features various competit..

Jun

14

Saturday

Lander Reverse Triathlon

Lander, Wyoming

Triathlon

The Lander Reverse Triathlon is an exciting event scheduled for June 14, 2025, in Lander, Wyoming. This unique triathlon format features a 5k run, 32k bike ride, and a 600-yard swim for adults and tea..

Jun

14

Saturday

Wet Dog Triathlon

Decatur, Alabama

Triathlon

The Wet Dog Triathlon, celebrating its 24th year, is a popular sprint triathlon held at Point Mallard Park in Decatur, Alabama. This event features a 400-meter open water swim, a 15k bike ride, and a..

Jun

14

Saturday

Payson Orchards Triathlon

Payson, Utah

Triathlon

The Payson Orchards Triathlon, scheduled for June 14, 2025, in Payson, Utah, features a scenic sprint triathlon, a 12 and under super-sprint triathlon, and a 5K walk/run. Known for its picturesque cou..

Jun

14

Saturday

Ticonderoga Triathlon Festival

Ticonderoga, New York

Triathlon

The Ticonderoga Triathlon Festival, set in the scenic town of Ticonderoga, NY, features a variety of events including Sprint and Olympic Triathlons, AquaBike competitions, and relay team options. Part..

Jun

14

Saturday

Kids Rock Triathlon

Penllyn, Pennsylvania

Triathlon

The Scoogie Events Kids Rock Triathlon & Duathlon is an exciting athletic event designed for children, taking place in Penllyn, PA. Scheduled for June 14, 2025, the event features both a triathlon and..

Jun

14

Saturday

Against the Tide Hopkinton

Hopkinton, Massachusetts

Triathlon

Against the Tide is a family-friendly multi-sport event organized by the Massachusetts Breast Cancer Coalition (MBCC) to raise funds for breast cancer prevention initiatives. Participants can engage i..

Jun

14

Saturday

San Juan Trail Triathlon

Ridgway, Colorado

Triathlon

The San Juan Trail Triathlon, scheduled for June 14, 2025, in Ridgway, Colorado, features a combination of outdoor activities including a 6k trail run, a 3k stand-up paddle (SUP) event, and a 14k moun..

Jun

14

Saturday

Strokes, Spokes and Strides

Waynesboro, Pennsylvania

Triathlon

Strokes, Spokes and Strides is a vibrant sprint distance triathlon held in Waynesboro, Pennsylvania, designed to promote community spirit and inclusivity among athletes of all levels. The event featur..

Jun

14

Saturday

Black Butte Triathlon

Corning, California

Triathlon

The Black Butte Triathlon is set to take place on June 14, 2025, in Corning, California. This exciting event features three race options: an Olympic Distance Triathlon, a Sprint Distance Triathlon, an..

Jun

14

Saturday

Pat Griskus Olympic Triathlon

Middlebury, Connecticut

Triathlon

The Pat Griskus Olympic, Du, Sprint Triathlon is a well-established multi-sport event held at Quassy Amusement Park in Middlebury, Connecticut. Originating in 1987, the event features various race for..