Triathlon Calendar United States 2025-2026

Ice Breaker Sprint Triathlon

American Fork, Utah

Triathlon

Kick off tri season at the TriUtah Ice Breaker Sprint Tri in American Fork on March 21, 2026. Enjoy a 300 m swim, 13 mile bike and 5 km run with Aquabike and relay options for a fun early season challenge.

Lake Kissimmee Adventure Race

Lake Wales, Florida

Multisport

Explore Lake Kissimmee State Park with multi sport 4 Hour and 8 Hour adventure races or a scenic 50K trail run through prairies, oak hammocks and the historic Cow Camp. Solo racers and teams welcome for navigation and endurance fun.

22-23

Su - Mo

White Mountains 100

Fairbanks, Alaska

Multisport

A winter human powered 100 mile loop in Alaska's White Mountains for runners, skiers, and cyclists with 40 hours to finish. Remote Arctic scenery, big climbs, frozen trails and changing conditions demand recent winter backcountry experience and self..

27-29

Fr - Su

Clash Endurance Miami

Homestead, Florida

Triathlon

CLASH Endurance Miami returns March 27 to 29, 2026 at Homestead Miami Speedway with triathlon, duathlon, aquabike, relays and a one mile open swim on the track. Competitive fields include collegiate nationals and the Americas Triathlon Cup.

Merrill Ranch Triathlon

Florence, Arizona

Triathlon

Join Merrill Ranch Triathlon in Florence AZ on March 28 2026 for adult, youth and relay races plus aquabike and duathlon. Pool swims, scenic bike and looped run courses, chip timing, finisher medals and post race refreshments.

Ironman 70.3 Oceanside

Oceanside, California

Triathlon

Join the iconic IRONMAN 70.3 in Oceanside CA for a scenic coastal course and high energy race day. Onsite PLAYTRI bike services handle rentals, tune ups and build and pack options so you can focus on the swim bike run.

Smithfield Sprint Triathlon

Smithfield, Virginia

Triathlon

Smithfield Sprint Triathlon at the Luter Family YMCA features a 300 m pool time trial swim, a scenic 10 mile bike and a flat 5K run. USAT sanctioned and open to individuals, aquabikes or relays, it includes a tech shirt, medal, photos and post race B..

Ironman 70.3 Texas

Galveston, Texas

Triathlon

April 2026

Pinehurst Triathlon Festival

Pinehurst, North Carolina

Triathlon

Escape from Fort Desoto Triathlon

St. Petersburg, Florida

Triathlon

Celebrate the 40th Escape from Fort De Soto Triathlon at scenic Fort De Soto Park near St Petersburg. Swim, bike and run on a closed course at one of America’s top beaches in a friendly, USAT sanctioned community race.

Stubborn Fool Adventure Race

Black River Falls, Wisconsin

Multisport

Join the Stubborn Fool, a 6 hour adventure race in Black River Falls, WI on April 11, 2026. Teams and solo racers bike and navigate varied terrain, then enjoy post race food, prizes and giveaways.

Lifeline Duathlon

Lafayette, Louisiana

Duathlon

Lifeline Duathlon benefiting 232-HELP is a Lafayette, Louisiana multi-sport event that raises funds for 232-HELP. The course consists of a 2-mile run, a 10-mile bike segment, and a final 2-mile run. Solo competitors can take on the full distance, or..

11-12

Sa - Su

Shenandoah Epic Adventure Race

Bentonville, Virginia

Multisport

Test your endurance in a 24 hour adventure of paddling, trekking and mountain biking across the Shenandoah Valley. Solo and two, three and four person teams can compete; this USARA regional qualifier is part of the Adventure Racing World Series.

Cocoa Beach Triathlon

Cocoa Beach, Florida

Triathlon

Cal Tri Lake Perris

Perris, California

Triathlon

Join Cal Tri Lake Perris on April 12 for 18 race options from Sprint to Olympic distances, perfect for beginners and veterans. Youth races are free for ages 7 to 17 and the lakeside venue offers camping, parking, and wetsuit friendly water.

Caveman Triathlon

Flower Mound, Texas

Triathlon

Dive into the Caveman Triathlon in Flower Mound on April 12, 2026 with a 275 yard swim, 11.5 mile bike and 5K run, or opt for the CaveMan 5K run walk for a shorter challenge. All finishers receive a tech shirt, DAR socks and a medal.

Tri Aggieland

Bryan, Texas

Triathlon

Flora-Bama's Mullet Man Triathlon

Pensacola, Florida

Triathlon

The Flora-Bama's Mullet Man Triathlon, held in Pensacola, Florida, features a sprint-distance course with a 1/4 mile swim in the Ole River, a 16.5 mile bike ride through scenic routes crossing between Florida and Alabama, and a 3.9 mile run finishing..

Ironman Texas

The Woodlands, Texas

Triathlon