United States
- Alabama 13
- Alaska 11
- Arizona 19
- Arkansas 5
- California 61
- Colorado 21
- Connecticut 21
- Delaware 3
- District of Columbia
- Florida 47
- Georgia 16
- Hawaii 3
- Idaho 15
- Illinois 26
- Indiana 26
- Iowa 22
- Kansas 7
- Kentucky 13
- Louisiana 8
- Maine 11
- Maryland 17
- Massachusetts 21
- Michigan 35
- Minnesota 26
- Mississippi 5
- Missouri 9
- Montana 10
- Nebraska 4
- Nevada 2
- New Hampshire 4
- New Jersey 28
- New Mexico 7
- New York 66
- North Carolina 35
- North Dakota 1
- Ohio 23
- Oklahoma 8
- Oregon 8
- Pennsylvania 29
- Puerto Rico 2
- Rhode Island 3
- South Carolina 15
- South Dakota 3
- Tennessee 20
- Texas 55
- Utah 15
- Vermont 3
- Virginia 38
- Washington 22
- West Virginia 6
- Wisconsin 32
- Wyoming 4
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 894 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 charity sprint triathlon at Skyline Aquatics Center in Mesa, AZ that raises funds to help underprivileged children attend learn to swim and summer recreation programs. Timing is provided by 4 Peaks Racing with triathlon chips.
A two day triathlon weekend in Kerrville, Texas on September 26 and 27, 2026 featuring multiple distances including a 70.3 race and a free kids run. The event includes an after party with floating in the Guadalupe River, food and beer.
A sprint triathlon at Wrightsville Beach on September 26, 2026 featuring individual, relay, aquabike, and youth races. The flat, short course includes a corporate relay division with team awards and listed registration fees.
Big Hurt is a four-leg multisport event around Port Angeles combining mountain biking, kayaking, road biking and a 10K run centered at Pebble Beach Park. Solo and relay entries are accepted for participants age 15 and over with a seven hour race limi..
A sprint triathlon in Montrose on September 26, 2026 with youth, adult, team, and family divisions. USAT membership is required and proceeds support the Montrose Recreation Foundation.
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 combining a 5K run, a 12 mile bike and a 150 yard pool swim, plus a kids triathlon and a stand-alone 5K. Events are chip timed and include shirts, medals, and awards.
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.
Join an endurance festival at Sand Hollow State Park featuring triathlon, duathlon, and aquabike races. Compete in a turquoise oasis surrounded by sandstone mountains near Zion National Park.
An inclusive multisport festival at Pawtuckaway State Park on 09/26/2026 offering a 0.4 mile swim, 5.5 mile trail bike and 3 mile run in single sport, two sport, relay or full triathlon formats. No chip timing; safety gear is required.
A two day triathlon at Highline Lake State Park in Fruita Colorado offering sprint, Olympic, collegiate draft legal and off road races with relay options, wetsuit use, and on course water stations.
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.
IRONMAN Chattanooga on September 27, 2026 features a fast downriver Tennessee River swim, rolling bike and run courses through scenic river and downtown areas. The swim placed first in North America in the 2025 Athletes’ Choice Awards.
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 event options including Sprint, Olympic and youth multisport races, plus 5K and 10K. Youth racing is free for ages 7 to 17.
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.
Cal Tri DFW in Valley View TX on September 27, 2026 offers 18 race options including Olympic, Sprint and Youth Sprint formats with triathlons, duathlons, standalone swims and runs.