United States
- Alabama 10
- Alaska 4
- Arizona 14
- Arkansas 3
- California 63
- Colorado 16
- Connecticut 3
- Delaware 3
- District of Columbia
- Florida 42
- Georgia 11
- Hawaii 5
- Idaho 11
- Illinois 24
- Indiana 13
- Iowa 14
- Kansas 6
- Kentucky 5
- Louisiana 2
- Maine 7
- Maryland 14
- Massachusetts 13
- Michigan 24
- Minnesota 11
- Mississippi 3
- Missouri 13
- Montana 7
- Nebraska 7
- Nevada 3
- New Hampshire 2
- New Jersey 19
- New Mexico 3
- New York 57
- North Carolina 25
- North Dakota
- Ohio 23
- Oklahoma 3
- Oregon 10
- Pennsylvania 23
- Puerto Rico 1
- Rhode Island 1
- South Carolina 12
- South Dakota
- Tennessee 15
- Texas 49
- Utah 20
- Vermont 1
- Virginia 30
- Washington 18
- West Virginia 3
- Wisconsin 28
- 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 689 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
Two race formats at Sandling Beach State Recreation Area on October 2, 2027 serving as the Final Round of the 2027 North Carolina Triathlon Series.
Sprint triathlon on Pensacola Beach with a 550 m swim, 21 km bike and 5 km run plus packet pickup, postrace food and awards.
Run 1.1 miles, bike 11 miles over four closed road loops, then run 1.1 miles at Cedar Creek Park in Seaford NY.
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.
Cal Tri LA at Dockweiler State Beach on October 3, 2027 offers 12 race options from sprint to Olympic distances across triathlon, duathlon, swim and running formats.
Monthly updates for United States
Get new running races (and updates) in your inbox every month.
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.
USAT sanctioned triathlon in New York with a Hudson River swim, West Side Highway bike and Central Park run, offering Sprint, Olympic, relay, aquabike and duathlon options.
A multi-distance triathlon at Boulder Beach, Lake Mead on October 9, 2027, featuring sprint, Olympic, aquabike, duathlon, relays and the 100 km BEAST distance.
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 near Charlotte with Sprint and Olympic swim bike run and run bike run options and open water swims.
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.
Multidistance triathlon and duathlon at Fort Travis Seashore Park with Gulf swims, bike out and back on Hwy 87, and neighborhood run loops.
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.
Trail running at Lake Hodges on October 16, 2027 with distances from 1 mile to 50K, youth categories, and a cupless aid station policy.
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.
Beach Girl Triathlon in Galveston on October 16, 2027 offers a Super Sprint with a 200 m pool swim, 8 mile bike and 2 mile beach run plus additional race categories and an after party.
Off-road duathlon at Lake Hodges on 10/17/2027 featuring run, bike, run segments, individual or team entries, and a cupless aid station policy requiring personal hydration vessels.