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!
September 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.
Single distance kayak, bike, run through Shelby Park and Bottoms on September 27, 2026, with costumes encouraged and proceeds supporting 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
Multi day event in Harpers Ferry, Iowa combining trail running, fly fishing and craft beer while directing funds to local fish habitat restoration.
Three day multi sport festival in the Frio Valley near Leakey TX with trail runs, gravel and mountain bike races, paddleboarding, river floats, and youth events.
Multi-day event at McNear’s Beach Park in San Rafael featuring an Olympic triathlon, relay, a kids triathlon, a trail half marathon, and a combined challenge.
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.
A one day multi sport meeting at Mitchell Park Guthrie Lake featuring sprint triathlon, super sprint, duathlon, aquabike, and a free Youth Under 12 option. The swim uses a protected cove and courses are looped for spectator access.
A two day triathlon festival in Rock Hall, Maryland featuring half, Olympic and sprint distances with triathlon, aquabike and relay options. Swim in Rock Hall Harbor and ride and run on largely flat to rolling rural roads.
A multi-format event at Lake Murray Dam featuring a 1000 meter lake swim, a 21 mile bike course that crosses the dam, and a 6 kilometer run along the dam. Registration opens November 1 2025 and deadlines vary by race.
A point to point triathlon in eastern Valley County Idaho from Warm Lake to Yellow Pine via a 7300 foot summit. Multiple divisions include able bodied, adaptive, and relay formats with awards and an after party in Yellow Pine.