United States
- Alabama 7
- Alaska 4
- Arizona 14
- Arkansas 3
- California 59
- Colorado 12
- Connecticut 3
- Delaware 3
- District of Columbia
- Florida 40
- Georgia 5
- Hawaii 5
- Idaho 10
- Illinois 19
- Indiana 6
- Iowa 11
- Kansas 5
- Kentucky 4
- Louisiana 2
- Maine 5
- Maryland 13
- Massachusetts 7
- Michigan 18
- Minnesota 10
- Mississippi 3
- Missouri 12
- Montana 6
- Nebraska 7
- Nevada 2
- New Hampshire 2
- New Jersey 14
- New Mexico 3
- New York 50
- North Carolina 22
- North Dakota
- Ohio 13
- Oklahoma 3
- Oregon 9
- Pennsylvania 21
- Puerto Rico 1
- Rhode Island 1
- South Carolina 10
- South Dakota
- Tennessee 8
- Texas 42
- Utah 17
- Vermont 1
- Virginia 30
- Washington 14
- West Virginia 2
- Wisconsin 25
- 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 582 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
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.
Multi discipline event at Lake Pleasant featuring Olympic and sprint triathlon, duathlon, aquabike and kayak SUP divisions; USAT sanctioned.
A mountain triathlon starting in Warm Lake and finishing near Yellow Pine with individual and relay options and fundraising for eastern Valley County on October 2, 2027.
Monthly updates for United States
Get new running races (and updates) in your inbox every month.
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.
A run-bike-run event in Montauk, NY featuring a 1.6 mile run, 11.5 mile bike, postrace amenities and awards for individual and relay categories.
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 She Tris Sprint Triathlon in Chapel Hill on October 10, 2027 features a 250 yard swim, 9 mile bike and 2 mile run with relay and virtual options.
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.
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.
Trail Run Bike Run at Lake Hodges in San Diego on October 17, 2027, covering about 23 miles with individual and team options and a cupless aid station policy.
Lake Havasu on October 24, 2027 offers 12 race options from sprint swims and 5K runs to Olympic distance triathlons on waterfront courses.