United States
- Alabama 8
- Alaska 4
- Arizona 15
- Arkansas 2
- California 61
- Colorado 16
- Connecticut 3
- Delaware 2
- District of Columbia 1
- Florida 40
- Georgia 6
- Hawaii 4
- Idaho 6
- Illinois 18
- Indiana 11
- Iowa 11
- Kansas 1
- Kentucky 6
- Louisiana 5
- Maine 2
- Maryland 11
- Massachusetts 12
- Michigan 18
- Minnesota 7
- Mississippi 5
- Missouri 8
- Montana 3
- Nebraska 4
- Nevada 3
- New Hampshire 3
- New Jersey 8
- New Mexico 4
- New York 51
- North Carolina 23
- North Dakota
- Ohio 12
- Oklahoma 4
- Oregon 5
- Pennsylvania 17
- Puerto Rico 1
- Rhode Island 1
- South Carolina 8
- South Dakota
- Tennessee 12
- Texas 48
- Utah 14
- Vermont 1
- Virginia 27
- Washington 10
- West Virginia 2
- Wisconsin 22
- 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 564 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
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.
Monthly updates for United States
Get new running races (and updates) in your inbox every month.
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 and Aquatic Center featuring a 5k run, 12 mile bike and 150 yd swim, plus a kids triathlon 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.
A single-day multisport festival at Pawtuckaway State Park offering swim, trail bike and run options, open to people who identify as women and benefiting Girls on the Run NH.
Experience a diverse weekend of racing at Highline Lake State Park with road and off road triathlons featuring sprint and Olympic distances in western Colorado.
A women-focused USARA-sanctioned adventure race at York River State Park on September 26, 2026, featuring trekking, mountain biking, paddling and navigation over a single 8 to 10 hour course for solo and team categories.
Two days of open water swim and swim run races at Smith Mountain Lake State Park, featuring multiple distances, age group awards, and on-site parking options.
A relay and solo half triathlon in Solon, Iowa that supports Lewy Body Dementia awareness, with kayak swim and e-bike cycling options placed in an Alternative Division.
Adaptive swim, bike and run event for participants aged 4 to 21 with cognitive and physical challenges in Buford GA, using buddy support and adaptive equipment.