Triathlon Calendar United States 2025-2026

Ironman 70.3 Oregon

Salem, Oregon

Triathlon

IRONMAN 70.3 Oregon takes place in Salem, Oregon. The course features a downriver 1.2-mile swim in the Willamette River, a fast 56-mile bike through rolling farmland and wine country, and a flat 13.1-mile run on paved and shaded park trails along riv..

Challenge New Jersey State

West Windsor Township, New Jersey

Triathlon

Challenge New Jersey State Triathlon takes place at Mercer County Park in West Windsor, New Jersey. It’s billed as one of the USA’s largest triathlon festivals, selling out to about 3,500 participants since its inception and earning a spot among the..

Ironman 70.3 Ohio

Sandusky, Ohio

Triathlon

Ironman 70.3 Ohio takes place in Sandusky, Ohio, along Lake Erie’s scenic shoreline. The course features a 1.2-mile ferry-start swim in Lake Erie, a fast-flat 56-mile bike through rural farmland roads in Erie and Sandusky Counties, and a 13.1-mile ru..

Chisago Lakes Triathlon

Chisago City, Minnesota

Triathlon

Matt Mason "Cowboy UP" Triathlon

Smithville, Missouri

Triathlon

The Matt Mason “Cowboy UP!” Triathlon/Duathlon is held at Smithville Lake’s Crow’s Creek Park, Shelter 5, in Smithville, Missouri. The event honors fallen servicemen and women and keeps Matt Mason’s memory alive while supporting families. Race option..

Ironman 70.3 Maine

Augusta, Maine

Triathlon

IRONMAN 70.3 Maine takes place in Augusta, Maine. The race features a fast downriver 1.2-mile swim in the Kennebec River, a challenging 56-mile bike through rural Maine roads, and a rolling 13.1-mile run. The event is praised for New England charm an..

August 2026

Triathamom

Riverton, Utah

Triathlon

Event overview TriathaMOM is a fully supported, non-competitive, women only triathlon held in Riverton, Utah on 2026-08-01. The event location is 12765 S 1125 W, Riverton, UT 84065. The race is offered in at least two entry categories: Sprint and Spr..

Xterra Portland

Gaston, Oregon

Cross Triathlon

Event overview XTERRA Portland is an off-road triathlon event on August 1, 2026, held at Hagg Lake (Bobcat Cove) near Gaston, Oregon. The event is part of the XTERRA World Tour and includes multiple race categories for individuals, teams, youth, and..

Greenfield Triathlon

Greenfield, Massachusetts

Triathlon

Brewhouse Triathlon

Duluth, Minnesota

Triathlon

Coeur d'Alene Triathlon

Coeur d'Alene, Idaho

Triathlon

YWCA Minneapolis Women's Triathlon

Minneapolis, Minnesota

Triathlon

Atlantic City Triathlon

Atlantic City, New Jersey

Triathlon

Atlantic City Triathlon takes place at Bader Field in Atlantic City, New Jersey. The event offers Sprint and Olympic distance options, plus Aquabike and Relay formats. Sprint courses feature a .25 mile swim, 11 mile bike, and a 5K run, while the Olym..

Hermosa Beach Triathlon

Hermosa Beach, California

Triathlon

Event The Hermosa Beach Triathlon is scheduled for Sunday, August 9, 2026, and is presented by Libertana. The event is described as entry level and welcomes triathletes of all skill levels. The location is Hermosa Beach, California. Course and specta..

Tamarac Tri

Fremont, Michigan

Triathlon

The Tamarac Tri is a sprint triathlon staged at scenic Fremont Lake Park in Fremont, Michigan. The course features a 750-meter swim, a 12.4-mile bike, and a 5K run, all set on lake and park routes that showcase the community. The event is described a..

Tri CLE

Cleveland, Ohio

Triathlon

Glimmerglass Triathlon

Cooperstown, New York

Triathlon

Glimmerglass Triathlon takes place in Cooperstown, New York, on Otsego Lake's Glimmerglass Bay and Glimmerglass State Park. The event features a 1.5-mile paddle (kayak or canoe) followed by an 18-mile bike ride on quiet roads north of the park, and a..

Santa Barbara Triathlon & Beach Festival

Santa Barbara, California

Triathlon

September 2026

Sep

CassadagaMan Triathlon

Cassadaga, New York

Triathlon

Sep