United States
- Alabama 10
- Alaska 5
- Arizona 18
- Arkansas 3
- California 62
- Colorado 18
- Connecticut 10
- Delaware 2
- District of Columbia
- Florida 43
- Georgia 11
- Hawaii 3
- Idaho 13
- Illinois 22
- Indiana 19
- Iowa 17
- Kansas 7
- Kentucky 12
- Louisiana 6
- Maine 5
- Maryland 15
- Massachusetts 15
- Michigan 21
- Minnesota 20
- Mississippi 6
- Missouri 4
- Montana 4
- Nebraska 4
- Nevada 2
- New Hampshire 4
- New Jersey 15
- New Mexico 4
- New York 51
- North Carolina 27
- 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 33
- 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 692 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
Family-focused gravel triathlon at Boulder Reservoir with Sprint, Super Sprint, Mini and SSS options for adults and children.
Camp Blanding hosts Olympic and sprint triathlon races plus aquabike and a sprint duathlon, with swims in Kingsley Lake, bike loops on base, and out-and-back runs with aid stations.
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.
Event Overview
The Fox Island Triathlon #2 is a sprint triathlon held at Fox Island County Park in Fort Wayne, Indiana. The event offers a 500-yard swim in Bowman Lake, a 12-mile bike on mostly flat county roads, and a 3.1-mile run on paved trails an..
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.