Triathlon Calendar United States 2025-2026

Ironman 70.3 Oregon

Salem, Oregon

Triathlon

The IRONMAN 70.3 Oregon is a premier triathlon event held in Salem, Oregon, featuring a scenic 1.2-mile swim in the Willamette River, a 56-mile bike ride through picturesque wine country, and a flat 1..

Omaha Triathlon

Omaha, Nebraska

Triathlon

The Omaha Triathlon, taking place at Lake Cunningham, is the only Olympic distance triathlon in Nebraska and will be held on July 20, 2025. This event features a variety of race options, including ind..

Green Lake Triathlon

Green Lake, Wisconsin

Triathlon

The Green Lake Triathlon is an annual event that is part of the Wisconsin Tri Series, attracting participants from across the Midwest. Set in the scenic Green Lake area, the triathlon features a calm..

TridelSol Olympic Triathlon

Middleville, Michigan

Triathlon

The TridelSol Olympic Triathlon is a multi-sport event taking place at YMCA Camp Manitou Lin in Middleville, Michigan. Scheduled for July 20, 2025, it features a variety of races including Olympic, Sp..

Buzz Ryan Triathlon

Duluth, Minnesota

Triathlon

The Buzz Ryan Triathlon, scheduled for July 20, 2025, in Duluth, MN, features a variety of events including the Buzz Course, Half-Buzzed Course, and relay options. Participants can choose between indi..

Georgia Peach Women's Triathlon

Gainesville, Georgia

Triathlon

The Georgia Peach Women's Sprint Triathlon is an exciting athletic event scheduled for July 20, 2025, at Lake Lanier Olympic Park in Gainesville, Georgia. This triathlon features three competitive cat..

Montauk Lighthouse Triathlon

Montauk, New York

Triathlon

The Montauk Lighthouse Triathlon is a scenic and challenging event held in Montauk, New York. Participants can choose from various formats, including Individual, Relay, AquaBike, and BikeRun. The race..

Montana Women's Triathlon

Helena, Montana

Triathlon

The Montana Women's Triathlon is a welcoming multisport event designed to empower women of all ages and abilities to lead healthy lifestyles through sport. Scheduled for July 20, 2025, in Helena, MT,..

Ballwin Triathlon

Manchester, Missouri

Triathlon

The Ballwin Triathlon, hosted by MSE Racing in partnership with the City of Ballwin, is a popular annual event that will take place on July 20, 2025. This USAT-sanctioned triathlon features a 300-yard..

Janney and the Y North Park Triathlon/Aquabike

Allison Park, Pennsylvania

Triathlon

The Janney and the Y North Park Triathlon/Aquabike is a multi-sport event taking place in Allison Park, PA. Scheduled for July 20, 2025, it features three main events: the North Park Triathlon, the Aq..

Indian River Kayak Bike Biathlon

Indian River, Michigan

Multisport

The Indian River Kayak Bike Biathlon is an exciting annual event taking place in Indian River, Michigan. Participants engage in a 2.24-mile kayaking segment on the scenic Inland Waterway, followed by..

25-26

Fr - Sa

Republic Tiger Triathlon

Republic, Missouri

Triathlon

The Republic Tiger Tri 2024 is a multi-sport event taking place in Republic, Missouri, from July 25 to July 26, 2025. The event features a variety of competitions, including a Sprint Triathlon, Super..

Lake Springfield Triathlon

Springfield, Illinois

Triathlon

The Lake Springfield Triathlon, scheduled for July 26, 2025, in Springfield, Illinois, offers a variety of competitive events for athletes of all levels. Participants can choose from individual and re..

Ironman 70.3 Boise

Boise, Idaho

Triathlon

The IRONMAN 70.3 Boise is an exciting triathlon event set in the picturesque city of Boise, Idaho. Athletes will experience a challenging course that includes a swim in the scenic Boise River, a bike..

TriMillennium

Grand Rapids, Michigan

Triathlon

TriMillennium is a prominent multi-sport event held in Millennium Park, Grand Rapids, Michigan, featuring Olympic and Sprint distance triathlons, duathlons, and aquabikes. The Olympic race includes a..

Mountain Lakes Triathlon

Guntersville, Alabama

Triathlon

The Mountain Lakes Triathlon, set for July 26, 2025, in Guntersville, Alabama, is a celebrated event in the triathlon community, marking its 38th annual occurrence. Participants can choose from variou..

Lake Country Triathlon

Oconomowoc, Wisconsin

Triathlon

The Lake Country Triathlon, taking place on July 26, 2025, in Oconomowoc, Wisconsin, is a premier endurance event celebrating its 10th anniversary. Participants can choose from various race formats, i..

Pass It Along Triathlon

Sparta, New Jersey

Triathlon

The Pass It Along Triathlon is a one-day event held at Lake Mohawk Country Club in Sparta, NJ, featuring USAT-sanctioned Sprint and Olympic courses, as well as a Swim Only option. This triathlon cater..

Ugly Dog Triathlon

Grass Lake Township, Michigan

Triathlon

The Ugly Dog Triathlon, taking place in Grass Lake, Michigan, is a beginner-friendly multisport event scheduled for July 26, 2025. The event features various races, including Sprint and Super Sprint T..