United States
- Alabama 12
- Alaska 7
- Arizona 18
- Arkansas 4
- California 62
- Colorado 18
- Connecticut 12
- Delaware 2
- District of Columbia
- Florida 44
- Georgia 12
- Hawaii 3
- Idaho 13
- Illinois 23
- Indiana 21
- Iowa 20
- Kansas 9
- Kentucky 11
- Louisiana 7
- Maine 6
- Maryland 13
- Massachusetts 20
- Michigan 28
- Minnesota 25
- Mississippi 6
- Missouri 6
- Montana 6
- Nebraska 4
- Nevada 3
- New Hampshire 4
- New Jersey 20
- New Mexico 4
- New York 55
- North Carolina 30
- North Dakota 1
- Ohio 22
- Oklahoma 8
- Oregon 8
- Pennsylvania 23
- Puerto Rico 2
- Rhode Island 2
- South Carolina 11
- South Dakota 2
- Tennessee 17
- Texas 53
- Utah 12
- Vermont 3
- Virginia 35
- Washington 17
- West Virginia 2
- Wisconsin 25
- 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 768 exciting races across the country. Find your next race in the United States below and join the running community at these great events!
A USAT sanctioned Super Sprint triathlon and AquaBike at Kenneth L. Wilson State Park near Woodstock, NY, welcoming paratriathletes and relay teams for the triathlon; part of a three-race series with points and end-of-season honors.
A triathlon focused training camp in Ardmore OK from July 16 to 19, 2026 featuring open water swims at Lake Murray, hilly bike routes with over 4,500 feet of elevation, updated brick and run sessions, included meals and a camp jersey deadline of May..
Lake Terramuggus at Blish Park on July 16, 2026 offers Sprint, Super Sprint, relay, and aqua bike options, with swims, looped bike courses, and a 5K run around the lake.
A multi-discipline event in Newport Beach on July 16, 2026 featuring swim, run, combined swim-run races and a relay, with chip timing, race apparel, photos and awards after each race.
Triathlon and AquaBike races take place at Delta Lake State Park in Rome, NY on July 18, 2026. Sprint, Olympic and a combined Delta Double are offered, with paratriathlete entries and relay team options.
Multi-sport ocean festival at San Clemente Pier featuring lifeguard and junior lifeguard competitions, ocean swims, paddling, surfing and beach runs. One fee covers entry to listed events and includes a commemorative tee and swim cap.
A multi-discipline event on the American River Parkway in Rancho Cordova combining a run, bike and paddle course with individual and relay divisions and a finisher medal. Fundraising supports the American River Parkway Foundation.
Sprint triathlon and duathlon at Willard Beach Park in Battle Creek on July 18, 2026, with 2 and 3 person relays, a youth Super Sprint, virtual options, and per person registration that includes a shirt and meal.
A multi discipline race day at Guthrie Lake featuring Olympic, Sprint, Super Sprint, aquabike and duathlon options plus a free youth race. The swim uses a sheltered cove on a no wake lake and parking is available near the transition.
TriWalloon is a sprint distance multisport event at Walloon Lake, Michigan, featuring swim, bike, run, a duathlon, an aquabike, and relay options. All proceeds support the inner city ministry of Bridge Street Ministries.
A sprint triathlon in Bartlesville on July 18, 2026, featuring a 400 m pool swim, 12 mile bike ride and 5 km run along Pathfinder Parkway, plus relay and kids divisions.
Nantucket Triathlon takes place in Nantucket, Massachusetts on July 18, 2026. It offers Individual Triathlon, Individual AquaBike and a two or three person relay with defined registration dates and fees.
Sprint and Olympic triathlon options take place at Turtle Lake Park in Shoreview with calm water, a self-seeded swim start, flat bike and shaded run courses. Aqua options, relay teams, on-site photography and a post-race barbecue are included.
A two-day triathlon in West Windsor Township offering Sprint and Olympic distances, individual and relay entries, and a USAT Para Series category with published entry fees.
TRI Mountain Lake on July 18, 2026 in Liberty Township, NJ features a sprint triathlon (1/4 mile swim, 15 mile bike, 3 mile run), relay options for two or three, an aqua bike, and a separate 3 mile run; registration runs Jan 1 to Jan 18.
An offroad triathlon in Walhalla ND on July 18 and July 19, 2026 with a 2.4 mile swim, 113.4 miles of gravel and mountain biking including stream crossings, and 26.7 miles of trail running. It combines open water, long gravel sections and technical t..
Multiple triathlon, duathlon and aquabike formats take place July 18, 2026 at War Memorial Park in Martinsburg, WV. Distances range from a 150 yd swim and 6 mile bike to sprint triathlon and relay formats.
A seaside biathlon in Long Beach, NY on July 18, 2026 featuring boardwalk or beach runs followed by ocean swims for adults, teens, and children, with on-site registration, race amenities, and age-group awards.
Indy Sprint Tri at Eagle Creek Park on July 18, 2026 offers triathlon, duathlon, aquabike and relay formats with set swim, bike and run segments. Registration runs January 6-31 and fees start at $65.