United States
- Alabama 7
- Alaska 4
- Arizona 14
- Arkansas 3
- California 64
- Colorado 12
- Connecticut 3
- Delaware 3
- District of Columbia
- Florida 41
- Georgia 5
- Hawaii 5
- Idaho 10
- Illinois 20
- Indiana 6
- Iowa 11
- Kansas 5
- Kentucky 4
- Louisiana 2
- Maine 5
- Maryland 13
- Massachusetts 12
- Michigan 19
- Minnesota 10
- Mississippi 3
- Missouri 12
- Montana 7
- Nebraska 7
- Nevada 2
- New Hampshire 2
- New Jersey 14
- New Mexico 3
- New York 56
- North Carolina 22
- North Dakota
- Ohio 18
- Oklahoma 3
- Oregon 9
- Pennsylvania 21
- Puerto Rico 1
- Rhode Island 1
- South Carolina 10
- South Dakota
- Tennessee 8
- Texas 42
- Utah 18
- Vermont 1
- Virginia 30
- Washington 15
- 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 607 exciting races across the country. Find your next race in the United States below and join the running community at these great events!
October 2027
An adventure race at Camp McClintock with a climb, zipline, trail runs and a kayak segment, organized with zero waste practices and supervised safety.
A pool triathlon at the Mattoon YMCA with a 275 yard swim, 12 mile bike and 3.1 mile run, offering individual and team entries and age group awards.
A navigation-based adventure race in northeast Iowa on October 3, 2026 featuring trekking, biking and paddling for teams or soloists with multiple timed options.
A 7th annual Eaton Rapids triathlon combining a 2 km kayak, 15 mile bike and 5 km run with a color powder finish on the final run leg.
Triathlon festival in Rock Hall, MD with Long, Olympic and Sprint races swimming in Rock Hall Harbor, biking rural Kent County, and flat run loops through waterfront neighborhoods.
Monthly updates for United States
Get new running races (and updates) in your inbox every month.
Multi discipline event at Lake Pleasant featuring Olympic and sprint triathlon, duathlon, aquabike and kayak SUP divisions; USAT sanctioned.
Mountain triathlon on October 2, 2027, from Warm Lake to Yellow Pine, Idaho, with individual, relay, and adaptive entry options.
Triathlon and duathlon races at Marine Creek Public Boat Ramp in Fort Worth on 10/03/2027, including sprint, Olympic, duathlon, relay and a virtual option.
A multisport event at Dockweiler State Beach on 2027-10-03 with 18 options including sprint, Olympic, youth swim and run distances.
A championship-distance IRONMAN in Kailua-Kona on October 9, 2027, raced over 140.6 miles with ocean swim, Queen Kaʻahumanu Highway bike, and marathon finish on Ali’i Drive.
Triathlon in New York on Oct 9, 2027 with swim, bike and run courses starting at the Hudson River and finishing in Central Park, offered in sprint and Olympic formats.
Run, bike, run duathlon in Montauk, NY with two 1.6 mile runs and an 11.5 mile bike leg, event hoodies, live results, and free finish line photos.
A sprint triathlon in Keller, TX on 10/10/2027 with a 300 m pool swim, a three loop 14.3 mi bike option, and a 3 mi out and back run; Athena and Clydesdale divisions included.
All women triathlon in Chapel Hill with a 250 yard swim, 9 mile bike, 2 mile run, relay and virtual options plus training resources and a finish line party.
Multi-event triathlon at Lake Norman State Park offering Olympic and Sprint formats, swims and runs, open to ages 18 and older with wetsuit recommended for the swim.
Multidistance triathlon and 5K at Mission Bay and Fiesta Island in San Diego on October 10 2027, with sprint, international, youth, relay, duathlon and aquabike options.
A multisport community event at Montauk Brewing Company with bike and run course options, live results, free finish-line photos, and proceeds benefiting local athletes through OMAC.
Lake Hodges Trail Festival in San Diego features multiple trail races from 50K to a 1 mile kids fun run plus a trail duathlon; the event is sold out.
A coastal IRONMAN 70.3 in Wilmington on October 16, 2027, featuring a beach swim, a flat bike through rolling countryside, and a waterfront run finishing by Battleship North Carolina.