United States
- Alabama 10
- Alaska 4
- Arizona 15
- Arkansas 2
- California 61
- Colorado 15
- Connecticut 4
- Delaware 2
- District of Columbia 1
- Florida 42
- Georgia 8
- Hawaii 4
- Idaho 8
- Illinois 19
- Indiana 12
- Iowa 11
- Kansas 2
- Kentucky 7
- Louisiana 5
- Maine 3
- Maryland 14
- Massachusetts 13
- Michigan 19
- Minnesota 9
- Mississippi 5
- Missouri 7
- Montana 4
- 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 16
- Puerto Rico 1
- Rhode Island 2
- South Carolina 9
- South Dakota 1
- Tennessee 12
- Texas 51
- Utah 16
- Vermont 1
- Virginia 31
- Washington 10
- West Virginia 2
- Wisconsin 26
- 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 604 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
Triathlon and duathlon at Lake Siskiyou in Mt. Shasta with a 750 yard swim, 16.6 mile bike and 5K run; proceeds support the Dunsmuir Rotary backpack program.
Triathlon, duathlon, and aquabike races held September 6, 2026, at The Westin Cape Coral Resort, featuring sprint and international distances and on-site resort amenities.
Sprint triathlon at Newcastle Beach Park featuring a 1/4 mile Lake Washington swim, an 8-mile mixed road/trail bike, and a 5-mile asphalt run.
A triathlon in Bear Valley, CA on Sep 6, 2026 with a 600 yd swim, 10.5 mile bike and 3.4 mile run. The bike uses three loops and the run one loop; wetsuits are allowed and water is provided on the run.
CajunMan on September 6, 2026 in Lafayette LA features open water swims, a 20 mile bike, a 5K run and relay options for two or three participants.
Monthly updates for United States
Get new running races (and updates) in your inbox every month.
Experience a premier multi sport event at Belle Isle State Park in Detroit. Choose from triathlon duathlon and aquabike categories while enjoying views of the Detroit River and the city skyline.
A multisport event at the Katy Boardwalk offering triathlon, dash, duathlon, aquabike and relay formats on September 6, 2026; proceeds support the Rotary Club of Katy scholarship fund and packet pickup is required before race day.
A sprint distance triathlon in Georgetown KY with a 400 yard pool swim, a 5.4 mile out and back bike, and a 1.5 mile out and back run.
Triathlon and 5k in Saint Cloud FL on September 6 2026 featuring a super sprint, a kids micro mini, medals, posted results, and age based awards.
Sprint triathlon at Newcastle Beach Park on Sep 6 2026 with a 1/4 mile swim in Lake Washington, an about 8 mile mixed-surface bike, and a 5 mile asphalt run.
Pool-start triathlon in Bountiful, Utah offering Sprint and Novice distances in swim, bike, run order with a closed transition area and required helmets.
A Labor Day multisport event in Plano Texas with sprint triathlon, duathlon, aquabike, Try a Tri and youth races plus a post race picnic.
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 day ANVIL ultra triathlons at Ottawa Lake State Park with looped course, on course aid village, personal crew access and 24 hour 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.
Triathlon with multiple distances at Still Water Lakes and Jensen Nature Park in Syracuse, Utah, offering sprint, Olympic and long courses plus duathlon and aquabike races.
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.
Ultra distance triathlon and aquabike events at Smith Mountain Lake State Park on September 11 and 12, 2026, with solo and relay options, sanctioned by USA Triathlon.
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.