United States
- Alabama 9
- Alaska 4
- Arizona 18
- Arkansas 3
- California 63
- Colorado 17
- Connecticut 5
- Delaware 2
- District of Columbia
- Florida 42
- Georgia 10
- Hawaii 3
- Idaho 11
- Illinois 19
- Indiana 14
- Iowa 13
- Kansas 4
- Kentucky 11
- Louisiana 6
- Maine 3
- Maryland 14
- Massachusetts 14
- Michigan 21
- Minnesota 16
- Mississippi 5
- Missouri 4
- Montana 3
- Nebraska 4
- Nevada 2
- New Hampshire 4
- New Jersey 13
- New Mexico 2
- New York 49
- North Carolina 24
- North Dakota
- Ohio 17
- Oklahoma 5
- Oregon 4
- Pennsylvania 14
- Puerto Rico 2
- Rhode Island 1
- South Carolina 9
- South Dakota 1
- Tennessee 13
- Texas 46
- Utah 10
- Vermont 2
- Virginia 33
- Washington 15
- West Virginia 2
- Wisconsin 19
- Wyoming 1
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 608 exciting races across the country. Find your next race in the United States below and join the running community at these great events!
August 2026
A USAT sanctioned Super Sprint triathlon at Kenneth L. Wilson State Park near Woodstock NY, featuring a 400 m swim, 12 mile bike and 2 mile run. An AquaBike option is available for individuals and series points determine season standings.
Open-water swims and trail runs at Stevens Creek Reservoir and Stevens Creek Canyon, including an adult aquathon and a youth Splash and Dash for ages 11 to 15. Timing chips are used and spectators are welcome.
Waupaca Area Triathlon is a multi format weekend at Shadow Lake and downtown Waupaca on August 14 to 15, 2026. Events include swim bike run races, paddling options, youth and kids races, and relay entries.
South Fork Pandemonium is an Amazing Race style, two day competition in South Fork, Colorado on August 14 and 15, 2026. Family and four person team races include surprises like rail biking, rock climbing, river floating, puzzles, and cash prizes.
A sprint triathlon at Fremont Lake Park on August 15, 2026, featuring a 750 m swim, 12.4 mile bike, and 5K run, with a relay option and a 150 participant limit.
A community multisport event in Chesaning with a 15.85-mile bike-run-paddle Dry-Tri and a 5K run/walk, staged from Showboat Park with kayak drop-off at Parshallburg Park.
Triathlon weekend at Fall Creek Falls State Park features Half Iron, Olympic and Calfkiller Sprint distances plus Sunday road races. Lake swims, flat to rolling bike courses and shaded trail runs. USAT sanctioned, no refund policy, insurance option a..
A multi format triathlon at Bridge Sports Complex on August 15, 2026 with sprint, super sprint and kids races, indoor pool swim, pavement bike and trail run, team relays allowed and guaranteed T shirt for early registrants.
A USAT sanctioned sprint triathlon at Fox Island Park featuring a lake swim, 12 mile bike and 3.1 mile run plus duathlon, aquabike and relay options.
A multisport race day at Joseph A Citta Scout Reservation offering Olympic and Sprint triathlon, duathlon, aquabike, and relay options with digital registration, USAT requirements, and awards by overall, age group, and specialty divisions.
A one-day triathlon at Lake Meridian Park in Kent, Washington on August 15, 2026 offering Olympic, Sprint, Super Sprint and relay formats. Finishers receive medals and top age-group athletes earn pint glasses; race T-shirts are guaranteed for registr..
A USAT sanctioned sprint triathlon at Crystal Lake in Averill Park, NY with a 0.5 mile swim, 18 mile bike and 3 mile run. Individual, team and aquabike categories are offered and registration windows vary by event.
Olympic distance triathlon at Lake Terramuggus in Marlborough, CT on August 15, 2026 featuring individual, relay, and aquabike options, age-group awards, and specific bike course and safety rules.
A triathlon held in mid August at Snake River Landing in Idaho Falls, Idaho. The event is produced by TRI PEAKS EPIC EVENTS.
A USAT sanctioned sprint triathlon on August 15, 2026 at Alamo Heights Swimming Pool featuring a 400 m pool swim, a three-loop bike over Olmos Park Dam, and a 4 km out-and-back run with finisher medals and tech shirts.
A sprint triathlon in Cable, Wisconsin on August 15, 2026 featuring a 750 meter swim, a 12 mile bike and a 5 kilometer run. Individual and relay divisions are offered and the event supports the planned Telemark Activity Center.
A two-day triathlon in Clarksville, Arkansas featuring a Sprint race plus kids divisions, with an open-water swim at Lake Ludwig, a bike route through Ozark foothills, and a downtown finish along Spadra Creek.
Multi-sport races and a 600 m open water swim at King’s Pointe Resort in Storm Lake supporting Kiwanis youth projects, with marked courses, volunteer support, packet pick up, shirts, and medals for participants.
A triathlon at Lake Almanor on August 15, 2026 with run, bike, and kayak or paddleboard legs; offered as solo, relay, or virtual entries. Registrations support residential housing and therapeutic services for child survivors through Courage Worldwide..
A chip timed triathlon in Sierra Vista on August 15 2026 featuring a 400 yard swim, 14 mile bike and 5 kilometer run. Individual and male, female, or coed relay options are available for ages 10 and up.