Triathlon Calendar United States 2025-2026

Feb

28

Saturday

Northeast Park Duathlon

Gibsonville, North Carolina

Duathlon

Kick off Trivium Racing's multisport season at the Northeast Park Sprint Duathlon. Enjoy a fast flat run, a short punchy bike and a second run on a friendly course, plus a custom beanie instead of a shirt.

Feb

28

Saturday

YMCA Dry Tri

Toledo, Illinois

Triathlon

Take on the YMCA Dry Tri in Toledo on February 28, 2026, an indoor triathlon using rowers, stationary bikes and treadmills. Timed segments and wave starts make it fun and social, so register by February 1 to guarantee a race shirt.

Feb

28

Saturday

UWS Race on the Base

Los Alamitos, California

Triathlon

Experience a reverse sprint triathlon that starts with a run, shifts to cycling, and finishes with a swim at Joint Forces Training Base in Los Alamitos. Prefer land only? Try the 5K run walk or team up in a three person relay for a lively community c..

Mar

7

Saturday

Pasadena Triathlon

Pasadena, California

Triathlon

Celebrate the 20th year of the Pasadena Triathlon and Angel 5k at the Rose Bowl on March 7, 2026. Choose from multi distance triathlon, duathlon, kids races and relays, plus a charity 5k supporting Angel City Sports. Fun for all ages and abilities.

Mar

7

Saturday

Bayshore 70.4 Triathlon

Long Beach, California

Triathlon

Take on the Bayshore 70.4 or Sprint Triathlon in Long Beach on March 7, 2026, with ocean swims, scenic bike and run routes and relay options for all paces. Enjoy chip timing, a finisher medal and post race food while you soak up coastal views.

Mar

7

Saturday

Gaylord All Outdoors Tri Winter Triathlon

Gaylord, Michigan

Triathlon

Experience winter multisport action on March 7, 2026 at Forbush Corners in Frederic, MI with skate skiing, fat tire biking and a winter trail run. Choose solo, relay teams of 2 to 3, or a bike and run duathlon and enjoy finisher medals and warm snack..

Mar

7

Saturday

Homer Epic

Homer, Alaska

Multisport

Tackle the Homer Epic, a human powered winter race through the scenic Caribou Hills near Homer, AK on March 7 and 8, 2026. Choose ski, bike, or run over 50 km or 100 km and test your limits within a 24 hour time limit.

Mar

8

Sunday

St. Patrick’s Day Sprint Triathlon

Keller, Texas

Triathlon

Join the 16th St Patrick's Sprint Tri in Keller, TX on March 8, 2026. USAT sanctioned sprint with a 300 meter swim, 14.5 mile bike and 5K wooded run, plus a tech shirt, finisher medal and post race fun.

Mar

8

Sunday

Great Clermont Triathlon

Clermont, Florida

Triathlon

Florida's traditional season opener, the AdventHealth Great Clermont Triathlon, returns to Clermont on March 8, 2026. Choose Olympic distance, sprint, relays, open water swim or virtual options for racers of all levels.

Mar

8

Sunday

Azalea Sprint

Wilmington, North Carolina

Triathlon

Azalea Sprint delivers a fast, friendly sprint tri in Wilmington for individuals, relay teams and aquabike racers. Short swim, two lap bike and 5K run make it perfect for newcomers and seasoned athletes alike.

Mar

13-15

Fr - Su

The Drift 100

Pinedale, Wyoming

Multisport

Mar

14

Saturday

The Rocky Hill Triathlon

Exeter, California

Triathlon

Challenge yourself on the scenic Rocky Hill Triathlon in Exeter, California, featuring pool swims, rolling foothill bike routes and a hilltop finish. All ages welcome, great finisher swag and proceeds support local parks.

Mar

14

Saturday

Oro Valley Triathlon

Oro Valley, Arizona

Triathlon

Mar

14

Saturday

Tanana River Challenge

Fairbanks, Alaska

Multisport

Tanana River Challenge is a rugged endurance race in Fairbanks for runners, skiers, skijorers and cyclists on scenic 25 miles or 45 miles routes along the Tanana River and through Rosie Creek forest. Expect remote packed snow trails and a true test o..

Mar

14

Saturday

Frozen Foot Challenge Adventure Race

Chesterfield, Virginia

Multisport

Push your limits at the Frozen Foot Challenge on March 14, 2026 in Pocahontas State Park, combining fast single track mountain biking with off trail trekking. Choose 6 hour or 10.5 hour courses, then relax with awards, food and a campfire.

Mar

14

Saturday

TRI 4 THE CURE AZ Triathlon

Anthem, Arizona

Triathlon

Challenge yourself at Tri 4 the Cure AZ on March 14 2026 in Anthem, AZ. Choose sprint or super sprint triathlon, aquabike, duathlon or a 5 km run, and enjoy chip timing, finisher medals and post race refreshments.

Mar

14

Saturday

CORE Indoor Sprint Triathlon

Lemont, Illinois

Triathlon

Mar

15

Sunday

Luck of the Irish Triathlon

The Colony, Texas

Triathlon

Celebrate St Patrick's Day at the Luck of the Irish Triathlon in The Colony TX. Sprint, super sprint, run bike run and 5K options with indoor pool swims and finisher medals for all ages.

Mar

15

Sunday

Cal Tri Lake Havasu

Lake Havasu City, Arizona

Triathlon

2026 Cal Tri Lake Havasu The event is scheduled for March 15, 2026 in Lake Havasu City, Arizona. The race program offers 18 event options: six Olympic-distance events, six Sprint-distance events, and six Youth Sprint events. Many adult multisport eve..

Mar

15

Sunday

Ironman 70.3 Dallas - Little Elm

Oak Point, Texas

Triathlon