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 multi-distance triathlon weekend in the Texas Hill Country on September 26-27, 2026, featuring swim, bike, run races and a riverside finish festival.
Sprint triathlon at Wrightsville Beach on 09/26/2026 with a 1200 m swim, 11 mile bike and 5K run; individual, relay, aquabike and youth divisions.
A four-leg endurance event in Port Angeles combining mountain bike, kayak, 30-mile road bike and a 10K run with solo and team entries for ages 15 and up.
A USAT certified sprint triathlon in Montrose on September 26, 2026 with youth, adult, team and family divisions. Proceeds support the Montrose Recreation Foundation and local recreational programs.
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 swims and swimrun races at Smith Mountain Lake State Park on a one mile buoyed loop with video timing. Entry fees include a swim cap and event T shirt and parking is charged separately.
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.
A multi-event triathlon day on September 27, 2026 at Ray Roberts Lake State Park in Valley View, Texas, featuring 18 options including Olympic, Sprint, and free youth races across swim, bike and run formats.
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.