United States
- Alabama 11
- Alaska 4
- Arizona 18
- Arkansas 3
- California 65
- Colorado 18
- Connecticut 8
- Delaware 1
- District of Columbia
- Florida 42
- Georgia 11
- Hawaii 3
- Idaho 12
- Illinois 20
- Indiana 18
- Iowa 15
- Kansas 5
- Kentucky 11
- Louisiana 5
- Maine 6
- Maryland 15
- Massachusetts 15
- Michigan 21
- Minnesota 18
- Mississippi 6
- Missouri 4
- Montana 3
- Nebraska 4
- Nevada 2
- New Hampshire 4
- New Jersey 14
- New Mexico 3
- New York 52
- North Carolina 25
- North Dakota
- Ohio 17
- Oklahoma 5
- Oregon 5
- Pennsylvania 15
- Puerto Rico 2
- Rhode Island 1
- South Carolina 9
- South Dakota 2
- Tennessee 14
- Texas 46
- Utah 11
- Vermont 2
- Virginia 33
- Washington 14
- West Virginia 2
- Wisconsin 19
- Wyoming 2
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 655 exciting races across the country. Find your next race in the United States below and join the running community at these great events!
July 2027
Run and swim on the Long Beach boardwalk and ocean with adult, teen, and children's biathlon distances plus age group awards and on-site amenities.
A three leg triathlon along the American River Parkway with individual and relay divisions, limited fields, safety rules, and packet pickup at River Bend Park.
Triathlon event at Delta Lake State Park on July 17, 2027 featuring sprint and Olympic distances plus an AquaBike, produced by Wilson Endurance Sports with state park cooperation.
A multi event day in Rockford, Illinois on July 18, 2027 featuring an 18 mile duathlon, a 2 mile run, and a 2 mile ruck with specified loads. A short free post race fitness challenge is included for participants.
Multi-distance triathlon at Mercer County Park with Sprint and Olympic courses, a lake swim, fast bike course, shaded run, and a Finish Line Festival.
A multi discipline triathlon day at Jamestown Beach Event Park on July 18, 2027 with 12 race options and run courses mainly on the Virginia Capital Trail.
Triathlon in Guntersville with a calm lake swim, flat bike loop, lakeside run and a post-race pool party.
IRONMAN Lake Placid on July 25, 2027 combines a Lake Placid swim, a hilly bike through the Adirondacks and a rolling run that finishes at the Olympic Oval.
A lakeside race day in Crofton, NE featuring a sprint triathlon with kayaking, plus running and cycling events along Lewis and Clark Lake.
A triathlon festival at Mountain Run Lake Park in Culpeper, VA featuring Olympic and Sprint triathlons, aquabike options, and a non-timed gran fondo with camping nearby.
Sea to Summit blends a 1.2 mile swim and 95 mile bike with a run and climb to Mount Washington; entry requires recent Ironman or 70.3 qualification.
September 2027
A multisport relay around Durango combining trail running, biking, paddling and open-water swimming. Options include a full course near 80 miles or a 53 mile Sprint, and a solo Ultra Heptathlon covering all seven disciplines.
Supertri Long Beach on September 19, 2027 features SuperSprint, Sprint and Olympic triathlon distances along the Long Beach waterfront with individual and relay options.
October 2027
A multi-event triathlon day in Lake Havasu City offering 18 race options across Olympic, Sprint, and free youth formats on courses along the Colorado River and Shoreline Trail.
August 2029
A multi-format triathlon in St. Cloud on 08/01/2029 offering sprint, Olympic, and relay options with online and in-person registration and tiered fees; organizers note possible cancellation and deferral options.