United States
- Alabama 10
- Alaska 4
- Arizona 15
- Arkansas 2
- California 62
- Colorado 16
- Connecticut 4
- Delaware 2
- District of Columbia 1
- Florida 40
- Georgia 8
- Hawaii 4
- Idaho 8
- Illinois 19
- Indiana 12
- Iowa 11
- Kansas 2
- Kentucky 6
- Louisiana 5
- Maine 3
- Maryland 14
- Massachusetts 13
- Michigan 19
- Minnesota 9
- Mississippi 5
- Missouri 8
- Montana 4
- Nebraska 4
- Nevada 3
- New Hampshire 3
- New Jersey 10
- New Mexico 4
- New York 55
- North Carolina 24
- North Dakota
- Ohio 13
- Oklahoma 6
- Oregon 5
- Pennsylvania 17
- Puerto Rico 1
- Rhode Island 2
- South Carolina 8
- South Dakota 1
- Tennessee 12
- Texas 49
- Utah 14
- Vermont 2
- Virginia 30
- Washington 10
- West Virginia 2
- Wisconsin 26
- Wyoming 1
Triathlon Calendar United States 2026-2027
Monthly updates for United States
Get new running races (and updates) in your inbox every month.
Explore the best triathlons in the United States for 2026-2027! Our updated list features 608 exciting races across the country. Find your next race in the United States below and join the running community at these great events!
September 2026
A Richland, Washington triathlon with a downriver Columbia River swim, a 56 mile bike through vineyards, and a flat 13.1 mile run finishing at Columbia Point Park.
Community triathlon in Albany CA on 20 September 2026 offering a Super Sprint, a mini triathlon for kids and relay team options.
Paddle, bike and run in Bay City on Sunday September 20, 2026 with team canoe or solo kayak options; limited field and proceeds support local community programs.
Navigate Prairie Creek Reservoir by foot, canoe, and bike in this family friendly adventure race where teams use a map and compass to find hidden checkpoints.
Cal Tri Austin at Walter E. Long Metropolitan Park on September 20, 2026, offers 18 events across Olympic, sprint and youth sprint distances, including triathlon, duathlon, swim and run formats.
Monthly updates for United States
Get new running races (and updates) in your inbox every month.
Sprint and Splash at Brandenburg Park in Chesterfield Township offers a 5K run or walk and an individual duathlon that includes a 2 mile kayak.
Two day triathlon festival at Lake Anna State Park offering Olympic and Sprint swim, bike and run events plus aquabike and relay options.
A multi-discipline race in Tarpon Springs featuring Sprint and Olympic triathlons, duathlon, aquabike and a 5K run, with swims off Fred Howard Beach, bike courses across Fred Howard Causeway and awards plus finisher medals.
A duathlon event at Mendon Ponds Park produced by First Knight Racing, offering two race formats of 26 and 14 miles and a deferred entry option, with specified registration periods and fees.
IRONMAN 70.3 New York is a half distance triathlon at Jones Beach with a protected swim in Zachs Bay, a fully closed 56 miles bike and a run on the Jones Beach Boardwalk.
A charity sprint triathlon at Skyline Aquatics Center in Mesa, AZ that raises funds to help underprivileged children attend learn to swim and summer recreation programs. Timing is provided by 4 Peaks Racing with triathlon chips.
Sprint triathlon at Wrightsville Beach on 09/26/2026 with a 1200 m swim, 11 mile bike and 5K run; individual, relay, aquabike and youth divisions.
A four-leg endurance event in Port Angeles combining mountain bike, kayak, 30-mile road bike and a 10K run with solo and team entries for ages 15 and up.
A USAT certified sprint triathlon in Montrose on September 26, 2026 with youth, adult, team and family divisions. Proceeds support the Montrose Recreation Foundation and local recreational programs.
Experience two days of mountain endurance in Colorado with technical mountain bike and trail running races including a 50K ultra and the 100K Epic Double challenge.
Coastal Traverse Adventure Race is a 12 hour, 60 miles event in Lewes, Delaware that combines biking, running, and paddling across beaches, marshes, parks, and coastal towns. Teams and solo racers choose multiple routes and optional checkpoints where..
A reverse triathlon at Civic Center Park featuring a 5K run, 12 mile bike leg and 150 yard pool swim, plus a kids tri and a stand alone 5K.
Spa Girl Tri Lost Pines takes place at Hyatt Regency Lost Pines Resort And Spa on September 26, 2026, with course maps, registration pages, and 2026 race results available.
Adventure races in Kamas, Utah combining trekking, mountain biking and navigation: a 15 mile sprint with map and compass plus a 5 mile family course with optional bikes.
A multi-sport endurance festival at Sand Hollow State Park in Hurricane, Utah, featuring Olympic and Sprint triathlons, aquabike, duathlon and 10k and 5k races. Relay and high school sprint entry options are offered.