United States
- Alabama 10
- Alaska 5
- Arizona 18
- Arkansas 3
- California 58
- Colorado 18
- Connecticut 10
- Delaware 2
- District of Columbia
- Florida 42
- Georgia 11
- Hawaii 3
- Idaho 13
- Illinois 21
- Indiana 19
- Iowa 17
- Kansas 7
- Kentucky 12
- Louisiana 6
- Maine 5
- Maryland 15
- Massachusetts 15
- Michigan 21
- Minnesota 19
- Mississippi 6
- Missouri 4
- Montana 4
- Nebraska 3
- Nevada 2
- New Hampshire 4
- New Jersey 15
- New Mexico 4
- New York 47
- North Carolina 28
- North Dakota
- Ohio 20
- Oklahoma 6
- Oregon 7
- Pennsylvania 20
- Puerto Rico 2
- Rhode Island 2
- South Carolina 10
- South Dakota 2
- Tennessee 15
- Texas 47
- Utah 12
- Vermont 2
- Virginia 32
- Washington 18
- West Virginia 2
- Wisconsin 19
- Wyoming 3
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 680 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 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.
Experience a premier multisport event in Lafayette featuring triathlon, duathlon, and aquathlon races. Compete in an open water swim at Airport Lake and a scenic bike and run through the Lafayette Regional Airport grounds.
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.
Splash, Spin and Zoom Super Sprint Triathlon is scheduled in Georgetown, Kentucky on September 6, 2026 at 140 Pavilion Drive. The event is listed as a Super Sprint triathlon for the 2026 calendar year.
Columbia River Half Iron at Vantage Boat Ramp features a 1.2 mile swim, 56 mile bike and 13.1 mile run on September 6, 2026.
Triathlon and 5k event at Chris Lyle Aquatic Center with a Super Sprint, a kids Micro Mini for under 8s, and a standalone 5k. Amenities include race bibs, finisher medals, photos, and posted official results.
A pool-to-road triathlon in Bountiful, Utah offering sprint and novice distances with pool swim starts, open-road bike courses, and on-site packet pickup.
Celebrate Labor Day at the Oak Point Recreation Center with a full suite of multisport races including triathlons, duathlons, and youth events followed by a festive picnic in Plano.
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-format ultra triathlon at Ottawa Lake State Park in Dousman, WI, featuring short repeat loops, on-course aid and crew access, multiple race and relay options.
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.
The 10th annual Brineman Triathlon on September 11, 2026 in Syracuse, Utah features a spectator-friendly swim at Stillwater Lakes, a bike course on Antelope Island State Park, and a run on paved bike trails.
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.
Test your endurance at Smith Mountain Lake State Park with ultra distance triathlons, duathlons, and aquabikes. This USA Triathlon sanctioned event offers distances up to 281 miles through Virginia’s scenic Blue Ridge Mountains.
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.
A Madison triathlon featuring a Lake Monona swim, a rolling bike course and a hilly run that finishes by the Wisconsin State Capitol on September 12, 2026.
A paddle-and-run event at Higgens Point, Coeur D Alene on September 12, 2026, with short and long courses offered for individuals and teams. Event proceeds benefit Companions Animal Shelter.
A weekend triathlon and running festival at Spring Hill, South Berwick, ME, featuring sprint and Olympic races, relays, multiple road runs, lake swims, and a post-race brunch.