United States
- Alabama 11
- Alaska 4
- Arizona 18
- Arkansas 3
- California 65
- Colorado 18
- Connecticut 8
- Delaware 1
- District of Columbia
- Florida 42
- Georgia 11
- Hawaii 3
- Idaho 12
- Illinois 20
- Indiana 18
- Iowa 15
- Kansas 5
- Kentucky 11
- Louisiana 5
- Maine 6
- Maryland 15
- Massachusetts 15
- Michigan 21
- Minnesota 18
- Mississippi 6
- Missouri 4
- Montana 3
- Nebraska 4
- Nevada 2
- New Hampshire 4
- New Jersey 14
- New Mexico 3
- New York 51
- North Carolina 25
- North Dakota
- Ohio 17
- Oklahoma 5
- Oregon 5
- Pennsylvania 15
- Puerto Rico 2
- Rhode Island 1
- South Carolina 9
- South Dakota 2
- Tennessee 14
- Texas 46
- Utah 11
- Vermont 2
- Virginia 33
- Washington 14
- West Virginia 2
- Wisconsin 19
- Wyoming 2
Triathlon Calendar United States 2026-2027
Monthly updates for United States
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Explore the best triathlons in the United States for 2026-2027! Our updated list features 655 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
A pool-to-road triathlon in Bountiful, Utah offering sprint and novice distances with pool swim starts, open-road bike courses, and on-site packet pickup.
Celebrate Labor Day at the Oak Point Recreation Center with a full suite of multisport races including triathlons, duathlons, and youth events followed by a festive picnic in Plano.
An annual Labor Day triathlon at Murray Park with adult, youth (11+), and physically challenged races, a 150-yard long-course swim, women’s specific t-shirts, and a post-race raffle; early pricing applies before Aug 28.
Multi-format ANVIL ultra triathlons at Ottawa Lake State Park in Dousman, WI with short loop courses, crew access each loop, and 24 hour on-site medical support.
Join this midweek sprint triathlon at Rolling View State Park in Durham. Experience a 400 yard swim along with a flat 11 mile bike ride and a 2 mile run through the park scenery.
The 10th annual Brineman Triathlon on September 11, 2026 in Syracuse, Utah features a spectator-friendly swim at Stillwater Lakes, a bike course on Antelope Island State Park, and a run on paved bike trails.
A two day triathlon on Roanoke Island with swim in the Croatan Sound and Olympic, Sprint, and aquabike options.
A multi-discipline relay in Sugarite Canyon featuring a trail run, paddling on Lake Maloya, mountain biking into Colorado, and a shotgun shooting stage.
Test your endurance at Smith Mountain Lake State Park with ultra distance triathlons, duathlons, and aquabikes. This USA Triathlon sanctioned event offers distances up to 281 miles through Virginia’s scenic Blue Ridge Mountains.
An evening double sprint triathlon in Greenville featuring two sequences of a 250 yard pool swim, an 8 mile bike and a 2 mile run. Individual and relay entries are available with relay teams of 2 or 3 and exchanges in transition.
A Madison triathlon featuring a Lake Monona swim, a rolling bike course and a hilly run that finishes by the Wisconsin State Capitol on September 12, 2026.
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 weekend triathlon and running festival at Spring Hill, South Berwick, ME, featuring sprint and Olympic races, relays, multiple road runs, lake swims, and a post-race brunch.
Multi-format races at Tugaloo State Park include Olympic, aquabike, sprint and relay options with a time trial swim and a hilly out and back bike course.
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.
Event Details
The Mighty Mississinewa Triathlon takes place at the Miami State Recreation Area in Peru, Indiana. It is a USAT-sanctioned event. Participants must be aged 12 and up by December 31 of the race year.
Distances and Formats
The event featu..
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 multi-discipline race day at Liberty Station in San Diego on September 12, 2026. Events include Olympic and Sprint triathlons, aquabike, duathlon, aquathlon, and a 5K run along the waterfront.
A sprint triathlon at Lake Hopatcong on September 12, 2026, featuring a 400 m swim, 12.5 mile bike and 3.1 mile run. The event supports the Hopatcong PBA and offers registration for solo and team entries.
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.