Triathlon Calendar United States 2025-2026

Oct

19

Sunday

Fort DeSoto Triathlon Series

St. Petersburg, Florida

Triathlon

The Fort DeSoto Triathlon Series is a popular athletic event held at Fort DeSoto Park in St. Petersburg, Florida. Scheduled for October 19, 2025, the series features multiple competitions, including S..

Oct

19

Sunday

Lake Hodges Off-Road Duathlon

San Diego, California

Duathlon

The Lake Hodges Off-Road Duathlon is an exciting athletic event that combines running and biking, taking place at the scenic Piedras Pintadas Trailhead in San Diego, California. Participants can compe..

Oct

19

Sunday

Bill Bone Tropical Triathlon

Lake Worth Beach, Florida

Triathlon

The Bill Bone Tropical Triathlon is a USAT-sanctioned event taking place in Lake Worth, Florida, on October 19, 2025. This annual race features multiple categories, including a Sprint Triathlon, Sprin..

Oct

25

Saturday

Southern Utah Triathlon

Hurricane, Utah

Triathlon

The Southern Utah Triathlon is an exciting multi-sport event taking place at Quail Creek Reservoir, near Hurricane, Utah. Participants can choose from various race formats, including a Sprint distance..

Oct

25

Saturday

Ironman 70.3 North Carolina

Wilmington, North Carolina

Triathlon

Oct

26

Sunday

The Active Texan Triathlon

Bryan, Texas

Triathlon

The Active Texan Triathlon is a sprint triathlon taking place in Bryan, Texas, benefiting the First Win Foundation. The event features a 400m swim, a 14-mile bike ride, and a 3.1-mile run, making it s..

Nov

1

Saturday

Edisto Island Triathlon

Edisto Island, South Carolina

Triathlon

The Edisto Island Triathlon Pro-Am is a premier half iron distance triathlon taking place on Edisto Island, South Carolina. Scheduled for November 1, 2025, this event features a unique "with the tide"..

Nov

1

Saturday

Ironman Florida

Panama City Beach, Florida

Triathlon

Nov

2

Sunday

Cal Tri Newport Dunes

Newport Beach, California

Triathlon

The 2025 Optimism Cal Tri Newport Dunes is set to take place at the Newport Dunes Waterfront Resort & Marina, marking the longest-running triathlon at the same location since its inception in 1978. Th..

Nov

2

Sunday

Game On! Riverfront Triathlon @ Cocoa

Cocoa, Florida

Triathlon

The Game On! Riverfront Triathlon at Cocoa, presented by Publix, is set for November 2, 2025, at Cocoa's Riverfront Park. This exciting event caters to athletes of all levels, featuring various race o..

Nov

8

Saturday

Turkey Triathlon

Ogden, Utah

Triathlon

The Annual Turkey Triathlon, held in Ogden, Utah, is a reverse sprint-distance triathlon featuring a 300-yard swim, 10K bike, and 5K run around the scenic Weber State University campus, offering beaut..

Nov

8

Saturday

Fall Classic Triathlon

Long Beach, California

Triathlon

The Fall Classic Olympic Triathlon is an exciting athletic event scheduled for November 8, 2025, in Long Beach, California. Participants will compete in a challenging course that includes a 1.5 km swi..

Nov

8

Saturday

The Gauntlet

Orrville, Alabama

Multisport

The Gauntlet is a paddle race held on the Lower Cahaba River in Orrville, Alabama, starting and finishing at the Old Cahawba Archaeological Park. Participants race upstream against a mild current to a..

Nov

9

Sunday

Miami Man Triathlon

Quail Heights, Florida

Triathlon

The Mack Cycle Miami Man Triathlon is a premier triathlon event taking place in Miami, Florida, on November 9, 2025. This event features a variety of competitions, including the International Triathlo..

Nov

15-16

Sa - Su

Oilman Texas Triathlon

Montgomery, Texas

Triathlon

The Oilman Texas Triathlon, taking place on November 15-16, 2025, is a premier long-distance triathlon event in southeast Texas, featuring a 1.2-mile swim in Lake Conroe, a 56-mile bike ride through s..

Nov

16

Sunday

Ironman Arizona

Tempe, Arizona

Triathlon

IRONMAN Arizona is a premier triathlon event held in Tempe, Arizona, known as the "Valley of the Sun" for its warm climate and over 300 days of sunshine annually. The race features a fast, flat, and s..

Nov

22

Saturday

Ashley River Adventure Race

Summerville, South Carolina

Multisport

The Ashley River Adventure Race, held at Ashley River Park in Summerville, South Carolina, is a unique multi-sport event featuring a 5K trail run through scenic park trails followed by a 7-mile paddle..

Dec

5-7

Fr - Su

CLASH Endurance Daytona

Daytona Beach, Florida

Triathlon

The CLASH Endurance Daytona is a multi-day sports event taking place in Daytona Beach, Florida, featuring a variety of races from December 5 to December 7, 2025. Participants can choose from events su..

Dec

7

Sunday

Ironman 70.3 Indian Wells - La Quinta

Indian Wells, California

Triathlon

Dec

7

Sunday

Game On - Treasure Coast Tri

Fort Pierce, Florida

Triathlon

The Game On! Treasure Coast Tri - Winter is an exciting triathlon event held annually at Jetty Park in Fort Pierce, Florida. Participants can choose from various race formats, including Sprint and Int..