United States
- Alabama 10
- Alaska 5
- Arizona 18
- Arkansas 3
- California 58
- Colorado 18
- Connecticut 10
- Delaware 2
- District of Columbia
- Florida 42
- Georgia 11
- Hawaii 3
- Idaho 13
- Illinois 21
- Indiana 19
- Iowa 17
- Kansas 7
- Kentucky 12
- Louisiana 6
- Maine 5
- Maryland 15
- Massachusetts 15
- Michigan 21
- Minnesota 19
- Mississippi 6
- Missouri 4
- Montana 4
- Nebraska 3
- Nevada 2
- New Hampshire 4
- New Jersey 15
- New Mexico 4
- New York 47
- North Carolina 28
- North Dakota
- Ohio 20
- Oklahoma 6
- Oregon 7
- Pennsylvania 20
- Puerto Rico 2
- Rhode Island 2
- South Carolina 10
- South Dakota 2
- Tennessee 15
- Texas 47
- Utah 12
- Vermont 2
- Virginia 32
- Washington 18
- West Virginia 2
- Wisconsin 19
- 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 680 exciting races across the country. Find your next race in the United States below and join the running community at these great events!
September 2026
A half distance IRONMAN in Augusta featuring a downriver swim on the Savannah River, a 56 mile bike through rural Georgia, and a flat 13.1 mile run.
Tri to Inspire is a short distance triathlon in Santa Rosa on 09/27/2026 featuring pool swims followed by bike and run courses. It offers sprint, mini sprint, relay and family divisions, with proceeds supporting the Inspiration Sports Foundation.
A multisport event at Far Rockaway featuring ocean swims and boardwalk bike and run legs, with triathlon, duathlon, beginner, and junior formats on September 27, 2026.
A one day triathlon in South Padre Island on September 27, 2026 offering sprint and Olympic distances plus a sprint relay. Fees range from $95 to $145 and registration runs from October 31, 2025 to May 31, 2026.
Multi-distance triathlon at Prairie Creek Reservoir Park with Sprint and Olympic options, USAT sanctioned and chip timed. Lake swim, rolling hills on bike and run, finishers receive a shirt and medal.
Championship SwimRun at Deam Lake Indiana featuring a 12.5 mile course plus multiple open water swim distances and an ultra swim.
A sprint triathlon at the University of Illinois combining a 300 meter pool swim, a 14 mile bike and a 5 kilometer run. Packet pickup is offered the day before and race morning and the event follows USA Triathlon rules.
Family oriented triathlon at Compo Beach in Westport CT with a point to point swim, flat bike and run, age group awards and post race activities.
Single day multi-format races at UW-Whitewater featuring triathlon, duathlon and aquabike distances. Online only registration, relay options, a new youth supersprint award and limited Olympic entries.
Coles Crocs Splash and Dash in Cypress Texas on September 27 2026 pairs pool swims with runs across age divisions, includes virtual options and a new two person relay. Participants receive a shirt and a finishers medal and top finishers earn awards.
A single-distance kayak, bike and run through Shelby Park and Bottoms on September 27, 2026. This noncompetitive event welcomes costumes and raises funds for Friends of Shelby and Walk Bike Nashville.
The Olympic course combines a 1500m rolling swim from Main Beach to Cowell Beach, a 40K bike along West Cliff Drive and Highway 1 to Davenport, and a 10K run that returns along West Cliff Drive and Swanton Boulevard. Transition rules are strict.
A lakeside multi discipline event at Boyd Lake State Park on September 27, 2026 offering sprint, supersprint, duathlon, aquabike, aquathlon and SUP race options.
October 2026
A weekend multi-sport event in Yellow River State Forest combining trail running, catch-and-release fly fishing, and craft beer. Organized by Running Rivers, proceeds support habitat improvement and promote responsible outdoor recreation.
Three day endurance festival in the Frio Valley near Leakey, Texas offering trail and cross country runs, gravel and mountain bike races, river float and paddleboard options. Long distance finishers can earn the Frio Fanatic Belt Buckle.
Experience a weekend of multisport racing at McNear’s Beach Park featuring an Olympic triathlon, a trail half marathon, and a combined challenge for participants seeking dual events in San Rafael.
A multi discipline race at Lake Pleasant with Olympic and sprint triathlon, duathlon, kayak SUP, and aquabike distances. The event is chip timed, offers finisher medals and hoodies, and is sanctioned by USA Triathlon.
A multisport navigation race in Elkader, Iowa on October 3, 2026, combining trekking, biking and canoe paddling on a secret course for soloists or teams.
Sandling Beach Triathlon Festival is on October 3, 2026 at Sandling Beach State Recreation Area in Wake Forest, NC. It hosts Sprint and International races as the Final Round of the 2026 North Carolina Triathlon Series with Individual, Relay and Aqua..
A multi-sport event in Eaton Rapids combining a 2 km kayak, 15 mile bike, and 5 km run that ends with a colored powder finish. Options include individual triathlon, three-person relays, and a 5K-only entry.