Triathlon Calendar United States 2025-2026

Frozen Hare

Broomall, Pennsylvania

Aquathlon

The Frozen Hare Swim and TriFest is held at Lawrence Park Swim Club in Broomall, Pennsylvania, featuring an outdoor heated 25-meter pool. This multi-sport event offers a variety of races including 5K..

Holiday Classic Triathlon

Anthem, Arizona

Triathlon

The Holiday Classic is an annual sprint triathlon held at the Anthem Community Center in Anthem, Arizona. Celebrating its 25th edition in 2025, the event features a heated 400m pool swim, a 20km bike..

Key West Triathlon

Key West, Florida

Triathlon

The Key West Triathlon, held at Higgs Beach in Key West, Florida, offers multiple race options catering to various athlete preferences. Distances include the International Triathlon with a 0.4-mile sw..

Ironman 70.3 Florida

Haines City, Florida

Triathlon

The PLAYTRI - IRONMAN 70.3 Florida/Haines City is a premier triathlon event scheduled from December 12 to December 14, 2025. This event features various services including tri and road bike rentals, b..

Tinsel Triathlon

Hemet, California

Triathlon

The 39th Annual Tinsel Triathlon is a celebrated endurance event taking place in Hemet, California. This reverse sprint pool triathlon is one of the oldest and largest of its kind on the West Coast, c..

Rudolphs Aquabike

Visalia, California

Multisport

Rudolph's Aquabike is an exciting end-of-season Super Sprint event taking place in Visalia, California. Participants can choose between an individual Aquabike or an Aquabike Relay, featuring a 400-yar..

Wednesday

Corpus Christi Triathlon

Corpus Christi, Texas

Triathlon

The Corpus Christi Triathlon Club, based in Corpus Christi, TX, is a USA Triathlon-affiliated organization that promotes the multi-sport lifestyle through training, racing, and community events. The c..

February 2026

14-16

Sa - Mo

Susitna 100

Big Lake, Alaska

Multisport

The Susitna 100 is a challenging winter wilderness race held in Big Lake, Alaska, featuring a 100-mile course on marked trails through remote, frozen terrain. Alongside the main event, the Little Su 5..

Chilly Willy Duathlon

St. Petersburg, Florida

Duathlon

The Chilly Willy Duathlon is a USAT sanctioned event held at Fort De Soto Park in St. Petersburg, Florida. This popular race features a standard duathlon format consisting of a 3.1-mile run, a 10-mile..

19-21

Th - Sa

Florida ANVIL Ultra Triathlon

Clermont, Florida

Triathlon

The Florida ANVIL Ultra Triathlon, organized by Mammoth Endurance, is a premier endurance event held at Lake Louisa State Park in Clermont, Florida. Established in 1985, it is recognized as the origin..

The Winter Challenge Off-Road Triathlon

Springfield, South Carolina

Triathlon

The Winter Challenge Off-Road Triathlon is a rugged multi-sport event held at Dome Farms in Springfield, South Carolina. The main triathlon covers 23 miles, featuring a 7-mile trail run, a 6-mile flat..

Northeast Park Duathlon

Gibsonville, North Carolina

Duathlon

The Northeast Park Duathlon, held in Gibsonville, North Carolina, is the opening race of Trivium Racing’s Multisport Series. This sprint-distance event features a 1.6-mile run, a 10.5-mile bike ride,..

YMCA Dry Tri

Toledo, Illinois

Triathlon

The YMCA Dry Tri in Toledo, Illinois, offers a unique indoor triathlon experience at the Neal Center YMCA. Instead of traditional swimming, biking, and running outdoors, participants complete a 10-min..

March 2026

Pasadena Triathlon

Pasadena, California

Triathlon

The Pasadena Triathlon & Angel 5k is a family-friendly sporting event held at the iconic Rose Bowl Stadium in Pasadena, California. Celebrating its 20th year in 2026, the event features a variety of r..

13-15

Fr - Su

The Drift 100

Pinedale, Wyoming

Multisport

The Drift 100 is a challenging 103-mile winter race set in a scenic winter wonderland, featuring over 9,000 feet of elevation gain and loss. Held along the Upper Green River, the course demands self-s..

TRI 4 THE CURE AZ Triathlon

Anthem, Arizona

Triathlon

TRI 4 THE CURE AZ, presented by Tri Scottsdale, is a multisport event held at the Anthem Community Center in Anthem, Arizona. The race offers various categories including Sprint and Super Sprint triat..

The Rocky Hill Triathlon

Exeter, California

Triathlon

The Rocky Hill Triathlon, held in Exeter, California, is a challenging and scenic event showcasing the Sierra Nevada foothills. Now in its 11th year, it offers multiple race options including Short Co..

Merrill Ranch Triathlon

Florence, Arizona

Triathlon

The Merrill Ranch Triathlon, held in Florence, Arizona, offers a welcoming and fun spring challenge for athletes of all levels. The adult triathlon features a 400-meter pool swim, a 12-mile bike ride..

Ironman 70.3 Oceanside

Oceanside, California

Triathlon

IRONMAN 70.3 Oceanside is a premier triathlon event held in Oceanside, California, known for its stunning coastal setting and laid-back beach atmosphere. The race features a 1.2-mile swim in the shelt..