United States
- Alabama 13
- Alaska 13
- Arizona 16
- Arkansas 7
- California 70
- Colorado 18
- Connecticut 16
- Delaware 5
- District of Columbia
- Florida 51
- Georgia 17
- Hawaii 4
- Idaho 17
- Illinois 33
- Indiana 36
- Iowa 23
- Kansas 8
- Kentucky 12
- Louisiana 9
- Maine 11
- Maryland 18
- Massachusetts 28
- Michigan 37
- Minnesota 27
- Mississippi 6
- Missouri 15
- Montana 10
- Nebraska 3
- Nevada 3
- New Hampshire 2
- New Jersey 31
- New Mexico 9
- New York 76
- North Carolina 33
- North Dakota 1
- Ohio 26
- Oklahoma 8
- Oregon 12
- Pennsylvania 35
- Puerto Rico 1
- Rhode Island 3
- South Carolina 19
- South Dakota 3
- Tennessee 27
- Texas 57
- Utah 19
- Vermont 3
- Virginia 38
- Washington 32
- West Virginia 8
- Wisconsin 33
- 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 997 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
Experience a rugged trail adventure through the Colorado wilderness in Estes Park. Choose between a 50k run or bike and a heavy half marathon while supporting the local high school mountain bike team.
Navigate Delaware's diverse coast by bike, foot, and paddle in this 12-hour adventure race. With flexible routes and optional checkpoints, it welcomes both solo racers and teams. Strategy and endurance meet tides and new terrain on the Delmarva Penin..
Experience a unique race format at Civic Center Park featuring a reverse triathlon, a kids multisport event, and a standalone 5K. All participants receive medals and chip timing in this community athletic gathering.
Spa Girl Tri Lost Pines is a women-focused triathlon at the Hyatt Regency Lost Pines Resort and Spa on September 26, 2026. It is part of the Spa Girl Tri series and offers published course maps plus archived results and photos.
DASH Adventure Race in Kamas, Utah mixes trail running, mountain biking, and navigation on Slate Creek and nearby trails. It offers a 15 mile sprint for solo or team entries and a family friendly 5 mile course with optional bikes.
Join an endurance festival at Sand Hollow State Park featuring triathlon, duathlon, and aquabike races. Compete in a turquoise oasis surrounded by sandstone mountains near Zion National Park.
This women's sprint triathlon in Huntersville features a 250-yard pool swim, an 8-mile bike, and a 2-mile run. It also offers aquathlon, duathlon, relay, and youth events for girls. Participants receive training support and a finish line celebration.
Multi-format triathlon event at Ray Roberts Lake State Park on September 27, 2026, offering 18 options across Olympic, sprint, and youth formats. Youth races for ages 7 to 17 are offered free and average water temperatures are in the mid 70s F.
A multisport event at Riverfront Park, Pt Pleasant on September 27, 2026, offering triathlon, duathlon, aquabike and kayak triathlon distances with USAT-sanctioned rules and age-group awards.
Race on a scenic Florida island with a swim in the Gulf of Mexico and a traffic-free bike course. Choose from five formats including Sprint Triathlon, Duathlon, and a shorter Super Sprint. The event is USAT sanctioned and takes place at the South Sea..
The Cal Tri DFW offers 18 race options including Olympic, Sprint, and free Youth Sprint formats at Ray Roberts Lake State Park. Events range from full triathlons to swim-run and run-bike-run duathlons. The 2026 edition moves to a new venue in Valley..
Event Overview
Tri to Inspire is a triathlon event in Santa Rosa. It was formerly known as the DJFE Triathlon Race Series. It takes place at the Finley Aquatic Center at 2060 W. College Avenue.
Event Details
The event offers two distance options:
Mi..
The Atlantic Triathlon takes athletes to Rockaway Beach for a swim, bike, and run along the oceanfront boardwalk. Events include triathlon and duathlon options, with a free race for junior athletes. All participants get a running jersey, with top fin..
The South Padre Island Triathlon features Sprint and Olympic individual races, plus a Sprint Relay. Set on the Texas coast, it offers options for various age groups. Registration prices are set to increase after May 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.
A U.S. Swimrun championship event at Deam Lake, Indiana on September 27, 2026, featuring a 12.5 mile swimrun course plus open water swims of 3, 6 and 9 miles as part of the Mudskipper Championship Series.
A sprint triathlon at the University of Illinois featuring a 300 m pool swim, a 14 mile bike course and a 5k run through campus. Packet pickup occurs the day before and the morning of the race.
October 2026
A multisport event at Lake Pleasant with Olympic and sprint triathlon, duathlon, kayak/SUP and aquabike options. USAT sanctioned and chip timed, with race hoodies, finisher medals and category awards.