United States
- Alabama 9
- Alaska 4
- Arizona 17
- Arkansas 2
- California 60
- Colorado 16
- Connecticut 3
- Delaware 2
- District of Columbia
- Florida 40
- Georgia 10
- Hawaii 3
- Idaho 10
- Illinois 18
- Indiana 13
- Iowa 12
- Kansas 4
- Kentucky 11
- Louisiana 6
- Maine 4
- Maryland 14
- Massachusetts 14
- Michigan 19
- Minnesota 13
- Mississippi 5
- Missouri 4
- Montana 4
- Nebraska 4
- Nevada 2
- New Hampshire 4
- New Jersey 12
- New Mexico 2
- New York 46
- North Carolina 24
- North Dakota
- Ohio 15
- Oklahoma 5
- Oregon 3
- Pennsylvania 11
- Puerto Rico 2
- Rhode Island 1
- South Carolina 8
- South Dakota 1
- Tennessee 13
- Texas 46
- Utah 9
- Vermont 1
- Virginia 33
- Washington 13
- West Virginia 1
- Wisconsin 17
- 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 588 exciting races across the country. Find your next race in the United States below and join the running community at these great events!
August 2026
Tri CLE features triathlon, duathlon, and aquabike races at Edgewater Park in Cleveland with Lake Erie swims, a Memorial Shoreway bike course closed to traffic, and a lakeside run.
Michigan Titanium in Grand Rapids on August 16, 2026 features triathlon, duathlon, aquabike, relay and swim only races plus a virtual solo option, with distances from sprint up to the full 140.6 mile ultra triathlon.
Join this USAT sanctioned event in West Deptford featuring a pool swim triathlon, duathlon, and aquabike. With distances ranging from a 5k run to a 16 mile triathlon, there is a multi sport option for every athlete.
Peasantman is a USA Triathlon sanctioned multisport event at Indian Pines Park in Penn Yan on August 16, 2026. It features Steel Distances across full, half, intermediate and sprint formats plus a Kids Splash and Dash and local charitable support.
Multiple triathlon, aquabike, and duathlon formats take place on August 16, 2026, in Mackinaw City with a swim under the Mackinac Bridge, a bike route to Wilderness State Park, and finishes in Fort Mackinac Park.
Monthly updates for United States
Get new running races (and updates) in your inbox every month.
A multi race event in Chula Vista on August 16, 2026 featuring triathlon, duathlon, aquabike, relays, youth races and a 5K. It is Event 2 of the San Diego Triathlon Series and part of the Triple Crown.
A range of Olympic and Sprint triathlon, duathlon, aquabike, and relay races take place on August 16, 2026 at John Pennekamp Coral Reef State Park in Key Largo, with swims at the park beach and an out and back bike on Overseas Highway.
August 16, 2026 at Caesar Creek State Park Beach in Waynesville Ohio, this multisport festival offers triathlon, duathlon, aquabike, aquathlon, open swims and open runs from beginner to 1/3 Iron distances, with shirts, medals and on-site medical and..
A multi-format triathlon at Lakeside Park in Cazenovia, NY, featuring intermediate, sprint and high school races plus aquabike and relay options, organized by the CNY Triathlon Club with youth programs and a high school support fund.
A one-day multi-sport event at Lake Arrowhead in Luray, VA on August 16, 2026, offering Olympic and Sprint triathlon, duathlon, and aquabike races in individual and relay divisions.
A family-run triathlon at Lake Mary near Flagstaff offering Long and Olympic courses with views of the San Francisco Peaks and nearby lakes. The event provides medals for all finishers and uses RFID timing.
Team-based Olympic distance triathlon in Grand Rapids on August 16, 2026, with Captain and Angel roles, volunteer opportunities, and an Olympic course of 0.93 mile swim, 40K bike, and 10K run.
IRONMAN 70.3 Northern California in Redding, CA on August 16, 2026 features a Whiskeytown Lake swim, a net downhill bike course, and a flat shaded run.
Americana YMCA presents a youth Splash and Dash combining pool laps and running for ages 3 to 18 with individual and two person team divisions. Results use start and finish times and medals are awarded by division.
A triathlon in Edinburg, TX on August 16, 2026 with kids, recreational, and competitive divisions. Helmets are mandatory, shirts are limited to the first 300 registrants, and registration closes early if 500 participants are reached.
A multi-activity event on August 16, 2026 at Memorial Field in Concord NH where participants select three activities from biking, a 5k walk or run, Bootcamp, or yoga; virtual entry, youth categories, donations, and event merchandise are available.
A sprint triathlon on August 16, 2026 at Camp Buckner featuring a 750 meter swim, 22 km bike and 5 km run, plus a youth triathlon and a post-race clinic the day before.
A youth aquathlon at the Barshop Jewish Community Center in San Antonio with swim and run distances for ages 5 to 17 and USA Triathlon certification. Race day includes packet pickup and an awards ceremony.
IRONMAN 70.3 Louisville stages a swim in the Ohio River, a rolling bike course and a run through downtown Louisville; the event is currently on pause.
Stroke and Stride is a chip timed swim run series at Turtle Lake Park combining an 800 yard or 1600 yard open water swim with a 3.1 mile run. Six events from June to August offer single race or full series registration.