United States
- Alabama 10
- Alaska 5
- Arizona 18
- Arkansas 3
- California 60
- Colorado 18
- Connecticut 10
- Delaware 2
- District of Columbia
- Florida 44
- Georgia 11
- Hawaii 3
- Idaho 13
- Illinois 22
- Indiana 19
- Iowa 17
- Kansas 7
- Kentucky 12
- Louisiana 6
- Maine 6
- Maryland 15
- Massachusetts 17
- Michigan 22
- Minnesota 21
- Mississippi 6
- Missouri 6
- Montana 4
- Nebraska 3
- Nevada 2
- New Hampshire 4
- New Jersey 16
- New Mexico 4
- New York 49
- North Carolina 30
- North Dakota
- Ohio 20
- Oklahoma 5
- Oregon 7
- Pennsylvania 21
- Puerto Rico 2
- Rhode Island 2
- South Carolina 11
- South Dakota 2
- Tennessee 15
- Texas 49
- Utah 12
- Vermont 2
- Virginia 33
- Washington 18
- West Virginia 2
- Wisconsin 20
- Wyoming 3
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 702 exciting races across the country. Find your next race in the United States below and join the running community at these great events!
February 2027
Experience the Chilly Willy Duathlon at the scenic Fort De Soto in St. Petersburg. Choose between Sprint and International distances featuring various combinations of running and cycling for individuals and relay teams.
Super Bowl Duathlon at Lake Louisa State Park offers sprint and super sprint run, bike, run formats with a $40 entry fee, a 130 participant cap, awards for top 15 men and women, and a souvenir for all.
Experience an indoor triathlon in Evanston where distance is the goal. Complete a ten minute swim, twenty minute bike, and fifteen minute run to qualify for the U.S. Collegiate Club Triathlon Nationals.
A multi-distance ultra triathlon at Lake Louisa State Park (Feb 26-27, 2027) with looped swim, bike, and run courses, USAT sanctioning, wetsuit-recommended open-water swims, and solo or relay options across full and double distances.
An indoor triathlon at The "GYM" Cape Carteret Aquatic & Wellness on February 27, 2027 featuring three 20 minute segments and small waves of eight participants, with donations supporting local high school swim teams.
Off-road duathlon at Croft State Park with adult, youth, high school and relay races combining trail runs and mountain-bike singletrack.
March 2027
Experience a unique winter challenge in Frederic, Michigan, featuring a skate ski, fat-tire bike ride, and trail run. Join as a solo athlete or a relay team for a memorable multisport adventure in the snow.
A sprint triathlon on March 7, 2027 in Wilmington NC that opens the North Carolina Triathlon Series, featuring Individual, Relay, and Aquabike divisions with distinct registration windows and published entry fees.
A multi-event triathlon festival at Clermont Waterfront Park featuring Olympic and sprint races plus standalone swim and a 5K run.
Experience an early season triathlon in Long Beach featuring a calm bay swim and scenic oceanfront paths. Choose from a 70.4 mile long course or a sprint distance with individual and relay options.
The Rocky Hill Triathlon in Exeter, California features two triathlon distances plus 5k and 10k running races on hilly foothill terrain, USAT sanctioning, event swag, free race photos, and ten year age group awards.
A 50 km or 100 km human powered winter race in the Caribou Hills with ski, fat bike, or run options, a 24 hour time limit, marked routes and checkpoints, and a 150 participant cap.
MomsTRI in Goodyear, Arizona offers multiple women's triathlon formats including sprint, relays, youth, short and virtual options, with sprint distances of 400 m swim, 12 mile bike and 3 mile run.
A multisport event at Anthem Community Center offering sprint and super sprint triathlons, aquabike, duathlon, relays and a 5 km run to benefit local community charities, sanctioned by USA Triathlon.
Cal Tri Oro Valley on March 13, 2027 in Oro Valley, AZ offers sprint, intermediate and Olympic swim bike and run events plus youth races, with local average air and water temperatures and Tucson airport listed for travel.
IRONMAN 70.3 Dallas Little Elm is a half-distance triathlon near Dallas with a Lake Lewisville swim, a fast rolling bike route, and a spectator-lined run.
A five day triathlon training camp in Tucson on March 17 to 21, 2027, offering coached swim, bike and run sessions, skills clinics, educational sessions and on-course support. Registration fee $900.
A multi discipline endurance event on March 20, 2027 in Fairbanks featuring 25 and 45 mile lollipop courses along the Tanana River and Rosie Creek, volunteer aid stations, a skijor division, and a 120 participant limit.
Experience a scenic multisport event in Historic Cocoa Village featuring a swim in the Indian River and a red carpet finish. Choose between triathlon, duathlon, and aquabike options along the beautiful Florida coast.