United States
- Alabama 9
- Alaska 4
- Arizona 15
- Arkansas 3
- California 57
- Colorado 15
- Connecticut 4
- Delaware 2
- District of Columbia 1
- Florida 41
- Georgia 8
- Hawaii 4
- Idaho 8
- Illinois 19
- Indiana 12
- Iowa 10
- Kansas 3
- Kentucky 8
- Louisiana 5
- Maine 3
- Maryland 14
- Massachusetts 13
- Michigan 17
- Minnesota 10
- Mississippi 5
- Missouri 7
- Montana 5
- Nebraska 4
- Nevada 3
- New Hampshire 3
- New Jersey 10
- New Mexico 5
- New York 51
- North Carolina 26
- North Dakota
- Ohio 11
- Oklahoma 6
- Oregon 3
- Pennsylvania 15
- Puerto Rico 2
- Rhode Island 1
- South Carolina 9
- South Dakota 2
- Tennessee 13
- Texas 51
- Utah 14
- Vermont 1
- Virginia 30
- Washington 10
- West Virginia 1
- Wisconsin 25
- 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 595 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 biathlon of a 5 mile run plus a 22 mile bike ride and a separate 5K run in Millstadt on September 13, 2026, with post-race amenities and proceeds to the park fund.
Sprint distance triathlon at Lake Carey with a 750 m swim or 2 mile paddle, a 20 km bike and one lap run around the lake.
A super sprint triathlon at the U.S. Air Force Academy with age group, collegiate, cadet, and NCAA D1 women races; all profits go to the USAFA Triathlon Club.
Sprint triathlon at Boxford Town Beach with a 0.25 mile swim, 10 mile bike and 1.5 mile run; relay teams allowed and proceeds fund local scholarships.
Experience a triathlon in the Hudson Valley with a brand new swim course and a flat run through the historic town of Saugerties against the backdrop of the Catskill Mountains.
Monthly updates for United States
Get new running races (and updates) in your inbox every month.
An in-person triathlon in Los Alamos at East Park Pool offering long and short courses to support the local swimming community.
IRONMAN Maryland in Cambridge, MD features a 2.4-mile river swim, a scenic bike route through Blackwater National Wildlife Refuge and a run through downtown Cambridge.
She Tris Sprint Triathlon in Carnes Crossroads, Summerville, SC offers pool swim, three-loop bike and a 2 mile run with youth divisions, duathlon and aquathlon options. Virtual participation is available throughout September with packet pickup or mai..
TOUGHMAN Westchester at Rye Playland on September 19 to 20, 2026 features Olympic triathlon, aquabike, duathlon, an open water mile swim and youth triathlon events. Olympic distances include a 1.5 km swim, 40 km bike and 10 km run.
Experience a unique multisport event in Texas City featuring a sandy bottom swim and a flat bike course on the dike. Choose between triathlon, duathlon, or aquabike distances with options for individuals and relay teams.
Experience the mountain scenery of Bear Lake State Park at this multi distance triathlon event. Choose from Sprint, Olympic, or Half distances and enjoy the blue waters of the Caribbean of the Rockies.
A fall sprint triathlon and 5k at Goose Pond Colony Resort in Scottsboro, AL featuring a 500 m swim, 14 mile bike and 5K run, plus separate 5k run/walk. Triathlon entries are USAT sanctioned and race entries are non-transferable.
A three stage 65.2 mile bike, paddle and run event on the New River with solo and 2 to 3 person relay options and a 300 entrant limit.
A multi-discipline race day at Tims Ford Lake offering sprint and Olympic triathlon, duathlon and aquabike options, plus relays and weight-class divisions. The event is USA Triathlon sanctioned and follows a no refund policy with insurance available.
A 12 hour, 40-mile adventure race at Lake James State Park near Linville Gorge on September 19, 2026. Teams of one to four navigate trails, bushwhack, bike, and paddle to collect unmanned checkpoint punches.
Rexburg RUSH Triathlon is a lakeside triathlon at Wakeside Lake in Rexburg, Idaho, produced by Tri Peaks Epic Events. It is scheduled for September 2026 and has an aggregate rating of 5 from two reviews.
A community race day in Morrison, Illinois with a 5K out-and-back, a duathlon including a 21-mile bike, children's fun runs, and a color run; courses start at Morrison High School and include rolling hills and on-course water stops.
Partner triathlon in Columbia, TN combining a Duck River canoe leg, a single track mountain bike loop, and a short trail run with team and relay options.
Sea Cliff Triathlon at Harry Tappen Beach on September 19, 2026 features a super-sprint 400 m swim, 6 mi two lap bike and 2 mi run with individual, youth and relay divisions.
Rise & Run in Denmark, WI combines a run-bike-run duathlon with individual and two or three person relays plus a free one mile fun run where leashed dogs and strollers are allowed; proceeds support Arise missions.