Triathlon Calendar United States 2025-2026

CajunMan Triathlon

Lafayette, Louisiana

Triathlon

The CajunMan Triathlon, Duathlon, Aquabike, Aquathon, and 5K Run is a premier endurance event held in Lafayette, Louisiana. This multi-sport competition features a variety of races, including individu..

Square Lake Sprint

Stillwater, Minnesota

Triathlon

The Square Lake Sprint Triathlon is a premier event that concludes a weekend of racing activities, serving as the final race in a three-part Sprint Triathlon Series. Held at the picturesque Square Lak..

Ironman 70.3 Santa Cruz

Santa Cruz, California

Triathlon

The IRONMAN 70.3 Santa Cruz is a premier triathlon event set against the stunning backdrop of California's coastline. Athletes will experience a 1.2-mile ocean swim, a challenging 56-mile bike ride th..

Mighty Hamptons Steve Tarpinian Memorial Olympic Distance Triathlon

Sag Harbor, New York

Triathlon

The Mighty Hamptons Steve Tarpinian Memorial Olympic Distance Triathlon, presented by Northwell Health and benefiting i-tri, is a prestigious triathlon event held in Sag Harbor, NY. Scheduled for Sept..

Rev3 Back Bay

Snow Hill, Maryland

Triathlon

The Rev3 Back Bay, formerly known as the Osprey Triathlon, is a multi-sport event taking place in Snow Hill, Maryland. Scheduled for September 7, 2025, it features several race options including the S..

Title 9 Women's Triathlon

Hopkinton, Massachusetts

Triathlon

The Title 9 Women's Triathlon is a premier event taking place in Hopkinton, MA, designed specifically for women. Scheduled for September 7, 2025, it features various competition formats, including Ind..

Dragon Trails Triathlon

Lake Orion, Michigan

Triathlon

The Dragon Trails Triathlon (Sprint) is an exciting athletic event taking place in Lake Orion, MI. This triathlon features a challenging course that includes a 0.75K freshwater swim in Tommy’s Lake, a..

Reston Triathlon

Herndon, Virginia

Triathlon

The Reston Triathlon, a community staple since 1984, features a challenging Olympic distance event that includes a 1500-meter swim, a 25-mile bike ride, and a 10K run. Scheduled for September 7, 2025,..

Wednesday

Brick Endurance Summer Triathlon Series

Durham, North Carolina

Triathlon

The Brick Endurance Summer Triathlon Series is a sprint triathlon event held at Rolling View State Park in Durham, North Carolina. The series features four races throughout the summer, each consisting..

Xterra Branson Mountain Man

Branson, Missouri

Triathlon

The XTERRA Branson Mountain Man is an exciting off-road triathlon event taking place in Branson, Missouri, on September 13, 2025. This event is part of the XTERRA World Tour and features a challenging..

Bear Lake Brawl Triathlon

Saint Charles, Idaho

Triathlon

The Bear Lake Brawl Triathlon is a multi-sport event taking place in St. Charles, Idaho, featuring a variety of race formats to accommodate different skill levels. Participants can choose from events..

Belews Lake Triathlon

Stokesdale, North Carolina

Triathlon

The Belews Lake Triathlon is an Olympic distance event held at the scenic Belews Lake in Stokesdale, NC. Participants can choose from a triathlon, duathlon, or aquabike format, featuring a 1500-meter..

Idaho High Mountain Triathlon

Yellow Pine, Idaho

Triathlon

The Idaho High Mountain Triathlon is a challenging event set in the scenic eastern Valley County region of Idaho, featuring a course that begins at Warm Lake and ends in Yellow Pine, crossing a summit..

13-14

Sa - Su

Toughman

Stony Point, New York

Triathlon

The 2025 Toughman event, taking place in Stony Point, NY, features a variety of competitive races over two days. Participants can choose from multiple events, including the TOUGHMAN Long Course Triath..

Tri the Parks - John Tanner Fall Sprint

Carrollton, Georgia

Triathlon

The Tri the Parks - John Tanner Fall Sprint is a multi-sport event taking place in Carrollton, GA, featuring a Sprint Triathlon, Duathlon, Aquabike, and Relay options. Participants can expect a 600-me..

13-14

Sa - Su

Parvin Anniversary Duathlon

Elmer, New Jersey

Duathlon

The Parvin Anniversary Duathlon & 5k Trail Race is a multi-sport event taking place in Elmer, NJ, celebrating the scenic beauty of The People's Park during the fall season. Participants can choose fro..

Sky Trail Adventure Challenge

Pawhuska, Oklahoma

Multisport

The Sky Trail Adventure Challenge is an exciting outdoor event taking place at Osage Hills State Park in Pawhuska, Oklahoma. Participants will embark on a unique course that includes a 2.3-mile run to..

Tri Community Triathlon

Pima, Arizona

Triathlon

The Tri Community Tri is a multi-distance triathlon held in the charming town of Pima, Arizona. Participants can choose from a Sprint distance featuring a 425-yard swim, a 15-mile bike ride, and a 5K..

Shaver Lake Mile High Triathlon

Shaver Lake, California

Triathlon

The Shaver Lake Mile High Triathlon is a premier multisport event taking place in Shaver Lake, California. Scheduled for September 14, 2025, it features a variety of competitions including Sprint and..