United States
-
Alabama8
-
Alaska7
-
Arizona12
-
Arkansas2
-
California32
-
Colorado7
-
Connecticut3
-
Delaware3
-
District of Columbia
-
Florida42
-
Georgia12
-
Hawaii1
-
Idaho9
-
Illinois14
-
Indiana15
-
Iowa6
-
Kansas6
-
Kentucky3
-
Louisiana3
-
Maine6
-
Maryland10
-
Massachusetts13
-
Michigan19
-
Minnesota16
-
Mississippi3
-
Missouri8
-
Montana3
-
Nebraska2
-
Nevada
-
New Hampshire1
-
New Jersey19
-
New Mexico3
-
New York40
-
North Carolina25
-
North Dakota
-
Ohio8
-
Oklahoma5
-
Oregon9
-
Pennsylvania16
-
Puerto Rico
-
Rhode Island
-
South Carolina14
-
South Dakota
-
Tennessee18
-
Texas38
-
Utah10
-
Vermont
-
Virginia31
-
Washington11
-
West Virginia4
-
Wisconsin22
-
Wyoming2
Triathlon Calendar United States 2025-2026
Explore the best triathlons in the United States for 2025-2026! Our updated list features 542 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
Join the Brick Endurance Summer Triathlon Series #4 in Durham for a fast, fun sprint at Rolling View State Park. Swim, bike and run a scenic evening course ideal for racers and first time triathletes alike.
Brineman Triathlon in Syracuse, Utah on Sept 11, 2026 features a spectator friendly swim at Stillwater Lakes, a bike on Antelope Island State Park, and a fast flat run on paved trails. Distances range from sprint to long course with aquabike and duat..
Race through Madison with a Lake Monona swim, rolling hills bike and waterfront run finishing by the Wisconsin State Capitol on September 12, 2026. Flex90 Eligible and a qualifier for the 2027 IRONMAN 70.3 World Championship.
Experience the Jen McKenna Paddle and Run at Higgens Point in Coeur D Alene on September 12, a paddle and run charity for Companions Animal Shelter. Choose the short or new long course solo or as a team and enjoy awards and post race food.
Take on the Outer Banks Triathlon in Manteo, NC on September 12, 2026, and race scenic coastal courses from Dare County Regional Airport. Professional timing and published course maps make race day smooth and focused on the finish.
Take on TimberRidge Adventure Race in Olathe with 2 hour and 6 hour solo or team options across rugged trails, prairie and waterways. Trek, bike, paddle and navigate with topographic maps in this self supported adventure race experience.
Race the Brett Robinson Alabama Coastal Triathlon on September 12, 2026 in Gulf Shores with a Gulf swim, coastal bike and run along white sand beaches. Finish with a lively post race party at the 19th running of this Gulf Coast favorite.
Join 1,000+ athletes on the shores of Canandaigua Lake for Finger Lakes Triathlon Canandaigua, a weekend of sprint and intermediate triathlons, aquabike, duathlon and youth races. Scenic course, friendly vibe and series discounts.
Take on the Sky Trail Adventure Challenge at Camp McClintock in Bartlesville, OK on Sept 12, 2026. Climb, zipline, run rugged trails and kayak in an eco friendly event that celebrates the Osage Hills with finisher awards.
Toughman 2026 takes over Lake Welch Beach in Stony Point for a weekend of triathlon, aquabike and duathlon championships and youth races. Expect elite national titles, relays and categories for ages 4 to 100.
Join the Patriots Triathlon weekend in Williamsburg for Olympic and Sprint races plus aquabike and relay entries, with time trial swim starts and scenic courses along Jamestown Beach and Rt 5. Finishers get a medal, shirt and socks and race photos ar..
Conquer rugged trails and open water at XTERRA Branson Mountain Man, an off road triathlon at Table Rock State Park and part of the XTERRA World Tour. The sprint serves as a youth qualifier and the event awards World Championship slots.
Join the John Tanner Fall Sprint on September 12 in Carrollton, GA for a fast and friendly sprint triathlon, duathlon, aquabike or team relay. Enjoy a lake swim, rolling county roads and a scenic 5K with options for ages nine and up.
Race the White Lake Fall International & Double Sprint at Goldston's Beach on Sept 12 and 13, 2026, a two day multisport festival blending international and double sprint formats. Solo, relay and aquabike welcome.
Race DQ Pine Barrens at Atsion Lake with a lake swim, a fast country road bike loop and a pine needle trail run. Olympic and sprint triathlon, duathlon, aquabike and aquathlon options welcome every racer.
Join Square Lake 70.3 in Stillwater on September 12, 2026, the final mid distance tri of the season. Swim in Square Lake, ride a scenic two loop course and run a shaded out and back, or choose the Aqua option without the run.
Race the Mighty Mississinewa Triathlon on September 12, 2026 at Miami State Recreation Area in Peru, Indiana, offering triathlon, duathlon, aquabike and team relay options. Choose sprint to half Iron distances, enjoy included park entry and compete f..
Take on Lake Wenonah on Sept 13, 2026 with a triathlon, duathlon, aquabike or relay. USAT sanctioned and part of the DQ Events Grand Prix for all levels of multisport fun.
Dive into the third annual Dragon Trails Sprint Triathlon in scenic Lake Orion, Michigan. Tackle a 0.75K swim, 20K mixed terrain bike and 5K trail run with relay option and a capped field of 100 athletes.