Triathlon Calendar United States 2025-2026

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, scheduled for August 16, 2025. Participants can choose from various race formats, including Olympic, Sprint, Super Sprint, and..

The Great Snake River Triathlon

Idaho Falls, Idaho

Triathlon

The Great Snake River Triathlon is set to take place on August 16, 2025, at Snake River Landing in Idaho Falls, Idaho. Organized by TRI PEAKS EPIC EVENTS, this triathlon features various categories, i..

16-17

Sa - Su

Mighty Moraine Fall Multi-Sport Festival

Portersville, Pennsylvania

Triathlon

The Mighty Moraine Fall Multi-Sport Festival is a dynamic sports event taking place on August 16-17, 2025, at Moraine State Park in Portersville, PA. This festival features a variety of competitions,..

16-17

Sa - Su

Luray Triathlon & Duathlon

Luray, Virginia

Triathlon

The Luray Triathlon & Duathlon, set in the picturesque Shenandoah Valley, is a multi-sport event taking place on August 16-17, 2025. This annual event features a variety of competitions, including the..

Tri the Parks - Don Carter State Park Sprint

Gainesville, Georgia

Triathlon

The Tri the Parks - Don Carter State Park Sprint is a multi-sport event taking place at Don Carter State Park in Gainesville, GA. Scheduled for August 16, 2025, the event features a Sprint Triathlon,..

Fall Creek Falls Half Iron Triathlon

Spencer, Tennessee

Triathlon

The Fall Creek Falls Half Iron, Olympic & Calfkiller Sprint Triathlons is an annual event held at Fall Creek Falls State Park in Tennessee, featuring a variety of triathlon distances. The event includ..

Brookville Olympic Triathlon

Barnegat Township, New Jersey

Triathlon

The Brookville Olympic Triathlon, Duathlon, and Aquabike event will take place on August 16, 2025, in Barnegat, NJ. This multisport event features various competitions, including the Olympic Triathlon..

Dam 09 Triathlon

San Antonio, Texas

Triathlon

The Dam 09 Triathlon, held in San Antonio, Texas, features a 400-meter pool swim, a 9-mile bike ride, and a 4K run. Celebrated as one of Texas's best small triathlons, this event has been attracting p..

Crystal Lake Triathlon

Averill Park, New York

Triathlon

The Crystal Lake Triathlon Race is a USAT Sanctioned Sprint Distance Triathlon taking place in Averill Park, NY, on August 16, 2025. This scenic event features a 0.5-mile swim, an 18-mile bike ride th..

The Forge Gravel Triathlon

Lemont, Illinois

Triathlon

The Forge Gravel Triathlon is an exciting multi-sport event scheduled for August 16, 2025, in Lemont, Illinois. This USAT-sanctioned race features a short course triathlon, a duathlon, and relay optio..

Cal Tri Walnut Creek

North Garden, Virginia

Triathlon

The 2025 Cal Tri Walnut Creek is a multi-sport event scheduled for August 17, 2025, at Walnut Creek Park in North Garden, Virginia. This challenging race features a variety of events, including Sprint..

Greenfields Tri

West Deptford, New Jersey

Triathlon

The Greenfields Tri/Aqua/Du/ 5K & Splash and Dash is a multi-sport event taking place in West Deptford, NJ, featuring a variety of races suitable for all skill levels. Participants can choose from a t..

Game On Key Largo Triathlon

Key Largo, Florida

Triathlon

The Game On! Key Largo Triathlon Summer is a multi-sport event taking place in Key Largo, Florida. Scheduled for August 17, 2025, the triathlon features a variety of competitions, including Olympic an..

Ironman 70.3 Louisville

Louisville, Kentucky

Triathlon

IRONMAN 70.3 Louisville is a premier triathlon event set in the vibrant city of Louisville, Kentucky. Athletes will experience a scenic swim in the Ohio River, followed by a fast bike ride through the..

370 Lakeside Triathlon

St. Peters, Missouri

Triathlon

The 370 Lakeside Triathlon, taking place in Saint Peters, MO, offers a diverse range of events for participants of all skill levels. Scheduled for August 17, 2025, this USAT sanctioned triathlon featu..

The Great Loon Triathlon

Lincoln, Maine

Triathlon

The Great Loon Triathlon, organized by Lifestyle Sports Global LLC, will take place in Lincoln, Maine, featuring a variety of events including Olympic and Sprint Triathlons, a Half Ironman, and Duathl..

Peasantman

Penn Yan, New York

Triathlon

Peasantman is an officially sanctioned USA Triathlon event held annually at Indian Pines Park in Penn Yan, New York, on the third Sunday of August. The event features a variety of races, including Ful..

Cambridge Triathlon

Cambridge, Wisconsin

Triathlon

The Try Cambridge Tri is a sprint distance triathlon taking place in Cambridge, Wisconsin. Participants can compete as individuals or in relay teams, with the event featuring a 1/4 mile swim, a 13-mil..