United States
- Alabama 10
- Alaska 4
- Arizona 15
- Arkansas 2
- California 62
- Colorado 16
- Connecticut 4
- Delaware 2
- District of Columbia 1
- Florida 40
- Georgia 8
- Hawaii 4
- Idaho 8
- Illinois 19
- Indiana 12
- Iowa 11
- Kansas 2
- Kentucky 6
- Louisiana 5
- Maine 3
- Maryland 14
- Massachusetts 13
- Michigan 19
- Minnesota 9
- Mississippi 5
- Missouri 8
- Montana 4
- Nebraska 4
- Nevada 3
- New Hampshire 3
- New Jersey 10
- New Mexico 4
- New York 55
- North Carolina 24
- North Dakota
- Ohio 12
- Oklahoma 6
- Oregon 4
- Pennsylvania 17
- Puerto Rico 1
- Rhode Island 2
- South Carolina 8
- South Dakota 1
- Tennessee 12
- Texas 49
- Utah 14
- Vermont 2
- Virginia 30
- Washington 10
- West Virginia 2
- Wisconsin 26
- 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 603 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
IRONMAN 70.3 Wisconsin is a 70.3-mile triathlon in Madison featuring a swim in Lake Monona, a rolling bike course and a waterfront run finishing by the State Capitol.
A paddle-and-run event at Higgens Point, Coeur D Alene on September 12, 2026, with short and long courses offered for individuals and teams. Event proceeds benefit Companions Animal Shelter.
A multirace triathlon festival in South Berwick, Maine featuring Sprint, Olympic and aqua bike distances, a post-race Harvest Brunch, and fundraising for local education.
Triathlon and aquabike races at Tugaloo State Park on September 12, 2026, with Olympic and sprint distances, relay options, and club team scoring.
Late season half distance triathlon at Square Lake Park in Stillwater MN with an open water swim, a hilly 57 mile bike and a shaded run.
Monthly updates for United States
Get new running races (and updates) in your inbox every month.
Triathlon at Miami State Recreation Area offering sprint, Olympic and half iron distances with USAT sanction, chip timing, relays and aquabike options.
Experience a scenic multisport event at Carolina Marina featuring triathlon, duathlon, and aquabike options. Race through clear lake waters and rolling bike terrain in this professionally organized Olympic distance competition.
A multisport event at Liberty Station with swims in San Diego Bay, bike routes through Point Loma, waterfront runs including a separate San Diego 5K.
Sprint triathlon and Aquabike at Lake Hopatcong feature a 400 m swim, 12.4 mile bike and 3.1 mile run around Crescent Cove Beach presented by Saint Clare's Health.
An eight hour adventure race on September 12, 2026, staged from Rocky Gap State Park in Flintstone, Maryland, covering about 35 miles across trekking, paddling, mountain biking and navigation. Solo competitors and teams of up to four race together.
A USAT sanctioned triathlon at Craigville Beach offering sprint and Olympic distances plus relays, aquabike, duathlon, aquathlon and a virtual Tri It Your Way option. Massachusetts residents can earn state championship ranking points.
Sprint adventure race at Rocky Gap State Park featuring trekking, mountain biking, paddling and navigation; solo and team entries on an 8 hour course up to about 32 miles.
A multisport event in Buchanan, Virginia combining a 2 mile run, 13 mile bike and 5 mile paddle on the James River.
A gravel triathlon at Granite Beach, Folsom Lake with lake swims, off road gravel bike courses and trail running. Sprint and Olympic distances are USAT sanctioned and there is a non USAT SUP and kayak sprint option.
A gravel and trail multisport event in Ludlow VT on Sept 12, 2026 offering triathlon, aquabike, duathlon, relay and sprint options plus campsites and race-day food.
Experience Olympic and Sprint triathlons near historic Williamsburg. Enjoy a flat bike course along Route 5 and a scenic run through forested trails and historic farmland at Jamestown beach.
Two days of triathlon and aquabike racing at The Grand Regal at Goldston's Beach in White Lake NC with International and Double Sprint formats plus relay and combo options.
Test your navigation and endurance at TimberRidge Adventure Center. Choose from two hour trekking challenges or six hour multi sport races featuring mountain biking, paddling, and orienteering through prairie grasslands.
Ocean swim and beachfront bike and run courses in Gulf Shores, AL, with sprint and Olympic distances, time-trial swim starts, relay options, and USAT-sanctioned race procedures.
A weekend of triathlon, aqua bike and duathlon races at Canandaigua Lake with multiple distances, kids races, relays and charity entry options.