United States
- Alabama 14
- Alaska 10
- Arizona 17
- Arkansas 7
- California 66
- Colorado 20
- Connecticut 23
- Delaware 3
- District of Columbia
- Florida 47
- Georgia 16
- Hawaii 4
- Idaho 17
- Illinois 31
- Indiana 34
- Iowa 22
- Kansas 7
- Kentucky 11
- Louisiana 9
- Maine 10
- Maryland 17
- Massachusetts 28
- Michigan 38
- Minnesota 26
- Mississippi 5
- Missouri 11
- Montana 10
- Nebraska 4
- Nevada 3
- New Hampshire 4
- New Jersey 29
- New Mexico 9
- New York 74
- North Carolina 35
- North Dakota 1
- Ohio 22
- Oklahoma 8
- Oregon 10
- Pennsylvania 31
- Puerto Rico 1
- Rhode Island 3
- South Carolina 16
- South Dakota 4
- Tennessee 21
- Texas 54
- Utah 15
- Vermont 3
- Virginia 35
- Washington 26
- West Virginia 6
- Wisconsin 31
- Wyoming 4
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 951 exciting races across the country. Find your next race in the United States below and join the running community at these great events!
May 2026
A three race series on Key Biscayne combining Sprint, Intermediate and Olympic triathlons. The courses include a calm ocean swim, a bike route with the William Powell Bridge climb, and shaded park runs with ocean views.
Shi-Tri is a run, paddle, and bike triathlon in downtown Owosso, Michigan, along the Shiawassee River, featuring an approximately 3.1 mile run, a 3.1 mile paddle, and an approximately 9 mile bike loop; individual and relay entries are available.
Cal Tri Richmond offers 18 swim, bike and run race options at Lake Anna State Park on May 17, 2026, including Olympic, Sprint and Youth Sprint distances; open water swims list average water temperature near 77 F.
Kansas City Triathlon on 05/17/2026 at 11101 Raytown Rd features Olympic and sprint triathlons, a sprint duathlon, and an Olympic relay. Swim starts vary by category and registration windows and fees apply.
IRONMAN 70.3 Chattanooga on May 17, 2026 features a downriver swim in the Tennessee River, a hilly bike course, and a riverfront and park-trail run. General registration is sold out, with special entries noted as available.
A multi-discipline adventure race at Shawnee Mission Park featuring 6-hour mixed courses with biking, trekking and paddling, plus a 2-hour all-foot course; maps and watercraft are provided for the longer race.
A women-focused triathlon in Nashville combining a pool swim, a bike course, and a run through Centennial Park near the Parthenon. The event offers Super Sprint and Sprint options and benefits the Centennial Park Conservancy.
A multi-format triathlon at Lake Lou Yaeger in Litchfield, Illinois on May 17, 2026, featuring sprint and Olympic distances, aquabike, a high school division, and relays, with a beach swim start and flat bike roads.
Playtri Fort Worth Triathlon & Run Bike Run I on May 17, 2026 offers Olympic and Sprint triathlons, a duathlon, relay divisions, collegiate races, and a virtual option at Marine Creek Public Boat Ramp. USAT sanctioned with VIP parking.
A multi-discipline race at Honeymoon Island State Park on May 17, 2026 featuring sprint triathlon, duathlon, and aquabike distances, disposable chip timing, finisher medals for all, and awards across age and specialty divisions.
A USAT-sanctioned triathlon at Lake Nockamixon State Park offering Olympic and Sprint distances with rectangular open-water swims, a closed, well-paved bike course, and lake-side run loops. Amenities include a tech shirt, socks, medal, and aid statio..
A season-opening multisport event at Hopkinton State Park on 05/17/2026 offering sprint duathlon and sprint triathlon in individual and team formats, with on-site amenities including medals, BBQ, shirts, and live results.
A multi-format race at Stuart Beach featuring open water swims, flat bike routes along A1A, and scenic runs under the Ernest Lyons Bridge; Sprint, International, duathlon, aquabike, and relay options are available.
Black Squirrel Triathlon at Lake Manawa Beach on May 17, 2026 offers sprint triathlon, aquabike, swimrun, relay, and a 750 meter open water swim, with medals and age group awards.
An Olympic-distance triathlon at Bennington Lake on May 17, 2026, with a 300-athlete cap, multiple race categories including relays and Special Teams, a rolling 40 km bike course, and USA Triathlon sanctioning.
A coastal triathlon and duathlon at Rockaway Beach featuring a 400 m open-water swim, a 12-mile two-loop bike on the boardwalk, and a 3-mile run, with wetsuits allowed and lifeguards on duty.
A women's triathlon in Anchorage with an in-person field of 1,650 and a virtual option. Distances include a 400 yard swim, 12 mile bike, and 3.25 mile run.
Experience a personalized triathlon at Pinewood Lake featuring a 1 mile swim, 25 mile bike ride, and a 5 mile hilly run through Trumbull. All proceeds support local community youth programs in Bridgeport.
A USAT sanctioned triathlon at Cascade Lake on Orcas Island featuring a 1/4 mile swim, a 13 mile hilly bike out to Dei Resort and back, and a 5k trail run. Solo and two or three person relay options are available.
USAT Indiana State Championship triathlon at Prairie Creek Reservoir Park in Selma, Indiana offering sprint and Olympic distances, duathlon, aquabike and relays, with chip timing, age group awards, and a 1000 racer limit.