United States
- Alabama 11
- Alaska 4
- Arizona 18
- Arkansas 3
- California 65
- Colorado 18
- Connecticut 8
- Delaware 1
- District of Columbia
- Florida 42
- Georgia 11
- Hawaii 3
- Idaho 12
- Illinois 20
- Indiana 18
- Iowa 15
- Kansas 5
- Kentucky 11
- Louisiana 5
- Maine 6
- Maryland 15
- Massachusetts 15
- Michigan 21
- Minnesota 18
- Mississippi 6
- Missouri 4
- Montana 3
- Nebraska 4
- Nevada 2
- New Hampshire 4
- New Jersey 14
- New Mexico 3
- New York 52
- North Carolina 25
- North Dakota
- Ohio 17
- Oklahoma 5
- Oregon 5
- Pennsylvania 15
- Puerto Rico 2
- Rhode Island 1
- South Carolina 9
- South Dakota 2
- Tennessee 14
- Texas 46
- Utah 11
- Vermont 2
- Virginia 33
- Washington 14
- West Virginia 2
- Wisconsin 19
- Wyoming 2
Triathlon Calendar United States 2026-2027
Monthly updates for United States
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Explore the best triathlons in the United States for 2026-2027! Our updated list features 655 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 two-day trail and bike event in Estes Park featuring 31-mile bike and run options, a 15-mile heavy half, and a 62-mile duathlon, with rugged trails, significant climbs, and aid stations supporting competitors.
Coastal Traverse Adventure Race is a 12 hour, 60 miles event in Lewes, Delaware that combines biking, running, and paddling across beaches, marshes, parks, and coastal towns. Teams and solo racers choose multiple routes and optional checkpoints where..
A reverse triathlon at Civic Center Park in Apple Valley with a 5K run, 12 mile bike, 150 yard swim, plus a kids tri and a separate 5K run.
Spa Girl Tri at Hyatt Regency Lost Pines Resort And Spa is set for September 26, 2026 in Lost Pines Texas offering published course maps, 2026 race results, and event information within the Spa Girl Tri series.
DASH Adventure Race in Kamas, Utah mixes trail running, mountain biking, and navigation on Slate Creek and nearby trails. It offers a 15 mile sprint for solo or team entries and a family friendly 5 mile course with optional bikes.
A multi-sport endurance festival at Sand Hollow State Park in Hurricane, Utah, featuring Olympic and Sprint triathlons, aquabike, duathlon and 10k and 5k races. Relay and high school sprint entry options are offered.
A multisport festival at Pawtuckaway State Park offering swim, bike and run options for people who identify as women. Choose an individual triathlon, two sport combo, single sport or a relay team in a non competitive setting.
Triathlon weekend at Highline Lake State Park in Fruita Colorado featuring sprint, Olympic, collegiate draft legal and off road sprint races.
A women-focused USARA-sanctioned adventure race at York River State Park on September 26, 2026, featuring trekking, mountain biking, paddling and navigation over a single 8 to 10 hour course for solo and team categories.
Two days of open water swim and swim run races at Smith Mountain Lake State Park, featuring multiple distances, age group awards, and on-site parking options.
IRONMAN Chattanooga on September 27, 2026 features a downriver Tennessee River swim plus rolling bike and run courses through downtown Chattanooga with strong spectator support.
An all women sprint triathlon and related youth, relay, aquathlon, duathlon and virtual events at Huntersville Family Fitness & Aquatics on September 27, 2026. The main course is a 250 yard swim, 8 mile bike and 2 mile run.
Cal Tri DFW on September 27, 2026 at Ray Roberts Lake State Park offers 18 multisport and running events, including Olympic, Sprint, and free youth race options.
A multisport race day at Riverfront Park in Pt Pleasant NJ on September 27, 2026 offering swim, duathlon, aquabike, kayak triathlon and relay formats with river swim or kayak courses, four bike loops, and a run finishing in the park.
On September 27, 2026, South Seas Captiva Island hosts multiple sprint and super sprint race formats with open water swims in the Gulf of Mexico, a bike course closed to vehicular traffic and coastal runs along the Gulf Coast.
A multi-discipline race day in Valley View, Texas, with 18 event options across Olympic, Sprint, and Youth Sprint formats including triathlon, duathlon, swim, and runs.
A half distance IRONMAN in Augusta featuring a downriver swim on the Savannah River, a 56 mile bike through rural Georgia, and a flat 13.1 mile run.
Tri to Inspire is a short distance triathlon in Santa Rosa on 09/27/2026 featuring pool swims followed by bike and run courses. It offers sprint, mini sprint, relay and family divisions, with proceeds supporting the Inspiration Sports Foundation.
A multisport event at Far Rockaway featuring ocean swims and boardwalk bike and run legs, with triathlon, duathlon, beginner, and junior formats on September 27, 2026.
A one day triathlon in South Padre Island on September 27, 2026 offering sprint and Olympic distances plus a sprint relay. Fees range from $95 to $145 and registration runs from October 31, 2025 to May 31, 2026.