United States
- Alabama 13
- Alaska 11
- Arizona 19
- Arkansas 5
- California 61
- Colorado 21
- Connecticut 21
- Delaware 3
- District of Columbia
- Florida 47
- Georgia 16
- Hawaii 3
- Idaho 15
- Illinois 26
- Indiana 26
- Iowa 22
- Kansas 7
- Kentucky 13
- Louisiana 8
- Maine 11
- Maryland 17
- Massachusetts 21
- Michigan 35
- Minnesota 26
- Mississippi 5
- Missouri 9
- Montana 10
- Nebraska 4
- Nevada 2
- New Hampshire 4
- New Jersey 28
- New Mexico 7
- New York 66
- North Carolina 35
- North Dakota 1
- Ohio 23
- Oklahoma 8
- Oregon 8
- Pennsylvania 29
- Puerto Rico 2
- Rhode Island 3
- South Carolina 15
- South Dakota 3
- Tennessee 20
- Texas 56
- Utah 15
- Vermont 3
- Virginia 38
- Washington 22
- West Virginia 6
- Wisconsin 32
- 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 895 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 fall sprint event in Moscow, ID combining a 500 yard pool swim, a 15K bike and a 5K run, with a simultaneous duathlon option. The race is USAT sanctioned and supports several local community organizations.
A USAT sanctioned sprint triathlon at Madison Town Beach featuring a half-mile swim, 13-mile bike and 3-mile run, plus aquabike, youth, relay and parathlete divisions. Field limited to 500 and USAT membership is required.
A self-supported multisport event in Iola, WI combining a 2 mile trail run, a 7 mile gravel bike ride, and a 2 mile paddle, with individual and three person relay options and race entry benefits included.
TORC brings swim, bike and run races to the Riversport Complex in downtown Oklahoma City on September 12, 2026. Distance options include a 500 m swim, a 14 mile bike and a 5 km run, plus aquabike and duathlon formats.
A combined 1500 m swim and 5.1 km run with a relay option on September 12, 2026 at Eisenhower Aquatic Center in East Meadow, NY. Event proceeds benefit the Wubbanubs From Jaxson charity.
A community fundraising event in Chippewa Falls featuring an individual or team triathlon, timed and fun 5K races, and a 1-mile children's loop with an inflatable finish; proceeds support the Lori Kleich Foundation.
A multisport event at Wenonah Lake with triathlon, duathlon, aquabike, and relay options featuring a cedar lake swim, a 12 mile bike route, and town street runs. USAT sanctioned and part of the DQ Events series.
A sprint triathlon in Lake Orion with an open water swim, 12.4 mile mixed-terrain bike and a 5K trail run on September 13, 2026. Registration opens October 21, 2025 and entries are capped at 100 participants.
A short-course triathlon in Knoxville on September 13, 2026, featuring a 100 yard swim, about a 5.3 mile bike and a 4 km run, with individual and two or three person relay divisions and multiple age and weight classes.
WALSH Triathlon in Fort Worth on 09/13/2026 features sprint, super sprint, a youth competitive division, a team relay and a virtual race with mailed t-shirt and medal. Multiple distances accommodate first time and experienced triathletes.
Multi-sport event at Sandy Creek Park in Athens offering sprint distance swim bike run, aquabike, and duathlon formats on September 13 2026. A sprint relay option allows teams of two or three.
A multi-format triathlon at Foster Memorial Town Beach in Sag Harbor on September 13, 2026, featuring an Olympic course with a 1.5K swim, 23.8 mile bike and 10K run, plus Super Sprint, Aquabike, relay and BikeRun options.
A USAT certified sprint triathlon at Square Lake Park in Stillwater MN on September 13, 2026, featuring a lake swim with self seeded time trial starts, a hilly bike course, and a run on quiet roads with a post race barbecue.
A multisport festival at Hueston Woods State Park Beach near Oxford, Ohio, offering triathlons, duathlons, aquabikes, aquathlons, open water swims and open runs across multiple distances. Packet pick-up and race facilities are at the beachfront.
Cal Tri Houston debuts September 13, 2026 at Typhoon Texas Waterpark Houston with five event options including a sprint triathlon, RunBikeRun, RunSwim, swim race, and a 5K. Entry fees range from $23.86 to $78.86 and a sponsor tent option is available..
A sprint triathlon at George Wyth State Park featuring a 500 meter swim, 16.5 mile bike and 5K run, with individual, relay and swim only options supporting the Family YMCA of Black Hawk County.
A USAT sanctioned sprint at Trane Technologies Campus in Davidson NC featuring a 750 meter swim, 12.7 mile bike and 5K run. Multiple categories include age group, novice, relay and aquabike options.
IRONMAN 70.3 Santa Cruz on September 13, 2026 features a 1.2 mile ocean swim around the wharf, a 56 mile bike on Highway 1, and a half marathon along coastal bluffs finishing on Santa Cruz Beach.
IRONMAN Wisconsin is a full-distance triathlon in Madison that finishes at the State Capitol. The course features a lake swim, rolling bike through Verona, and a run via Camp Randall Stadium, and it is a 2027 World Championship qualifier.