Triathlon Calendar United States 2025-2026

Twin Lakes Triathlon

Manson, Iowa

Triathlon

The Twin Lakes Triathlon, scheduled for August 9, 2025, in Manson, Iowa, features a variety of events including the Sprint Triathlon, Super Sprint Triathlon, and Splash and Dash. Participants can comp..

Atlantic City Triathlon

Atlantic City, New Jersey

Triathlon

The Atlantic City Triathlon is a premier sporting event taking place in Atlantic City, NJ, featuring a variety of triathlon formats. Participants can choose from the Olympic Triathlon, Olympic Aquabik..

Lake Lure Triathlon

Lake Lure, North Carolina

Triathlon

The Lake Lure Sprint Triathlon is a popular annual event held in the scenic mountain town of Lake Lure, North Carolina. This triathlon features a 750-meter swim, a 14-mile bike ride, and a 5K run, cat..

Kill Creek Park Triathlon

Olathe, Kansas

Triathlon

The Kill Creek Park Triathlon, Duathlon, Aquabike, and Aquathlon is a multi-sport event taking place in Olathe, Kansas. Scheduled for August 9, 2025, it features various race formats including a Sprin..

Lake Max Triathlon

Culver, Indiana

Triathlon

The Lake Max Triathlon and Duathlon is a vibrant sporting event taking place in Culver, Indiana, featuring a variety of races for participants of all ages. Scheduled for August 9, 2025, the event incl..

Sage City Triathlon

Monticello, Illinois

Triathlon

The Sage City Triathlon, organized by Kirby Medical Center and the City of Monticello, is set to take place in Monticello, Illinois. This annual event features a variety of races, including a Sprint T..

Summer Sizzler - Grand Island

Grand Island, New York

Triathlon

The Summer Sizzler is a multi-sport event taking place in Grand Island, NY, featuring various competitions such as the Formula 1 Triathlon, Short Triathlon, Aquabike, Duathlon, and Relay Teams. Partic..

YWCA Minneapolis Women's Triathlon

Minneapolis, Minnesota

Triathlon

The YWCA Minneapolis Women's Triathlon is a celebration of women's strength, taking place at Lake Nokomis. This inclusive event invites women and non-binary individuals to participate in a swim, bike,..

Girlfriends Triathlon & Fitness Festival

Vancouver, Washington

Triathlon

The Girlfriends Triathlon & Fitness Festival is an annual all-women's event held in Vancouver, WA, designed to celebrate fitness and camaraderie among women. Set against the scenic backdrop of the Col..

Niantic Bay Triathlon

Niantic, Connecticut

Triathlon

The Niantic Bay Triathlon is an exciting sprint triathlon set in the picturesque shoreline communities of Niantic and East Lyme. This event is designed for both beginner and experienced triathletes, f..

Wisconsin Women's Triathlon

Kenosha, Wisconsin

Triathlon

The Wisconsin Women's Triathlon, formerly known as Iron Girl, is an empowering event aimed at uniting women of all ages in a supportive and energetic environment. Scheduled for August 10, 2025, at Pra..

Tri Santa Cruz

Santa Cruz, California

Triathlon

Tri Santa Cruz is a vibrant and scenic triathlon event scheduled for August 10, 2025, in Santa Cruz, California. The event features a variety of competitions, including International and Sprint distan..

Riverbluff Triathlon

Ashland City, Tennessee

Triathlon

The Publix Riverbluff Triathlon, taking place in Ashland City, TN, offers a scenic and engaging experience for participants. Scheduled for August 10, 2025, this event features various race formats, in..

10-11

Su - Mo

Michigan Titanium

Grand Rapids, Michigan

Triathlon

The Michigan Titanium is a premier multi-sport event taking place in Grand Rapids, Michigan, featuring a variety of races from August 10 to August 11, 2025. Participants can choose from several distan..

Sharon Triathlon

Sharon, Massachusetts

Triathlon

The Sharon Triathlon is a dynamic multi-sport event taking place in Sharon, Massachusetts, featuring a variety of race formats including Individual, Relay, and Individual AquaBike. Participants will n..

Game On Escape to Hutchinson Island Triathlon

Sewall's Point, Florida

Triathlon

The Game On! Escape to Hutchinson Island Triathlon #2 is scheduled for August 10, 2025, in Stuart, Florida. This exciting event features multiple race options, including an International Triathlon, Du..

Wednesday

Hudson Valley Triathlon Club Summer Tri Series

Mount Tremper, New York

Triathlon

The Hudson Valley Triathlon Club Summer Tri Series is a popular annual event held at Kenneth L. Wilson State Park in Mount Tremper, NY. Celebrating its 23rd year, the series features a Super Sprint Tr..

15-16

Fr - Sa

Waupaca Area Triathlon

Waupaca, Wisconsin

Triathlon

The Waupaca Area Triathlon is an exciting multi-sport event taking place at Shadow Lake in downtown Waupaca. Scheduled for August 15-16, 2025, participants can choose from various challenges, includin..

Lake Meridian Triathlon

Kent, Washington

Triathlon

The Lake Meridian Triathlon is a popular event in the Pacific Northwest, featuring various race formats including Olympic, Sprint, and Super Sprint distances, as well as relay options for teams. Sched..