United States
- Alabama 10
- Alaska 4
- Arizona 15
- Arkansas 1
- California 60
- Colorado 15
- Connecticut 3
- Delaware 2
- District of Columbia 1
- Florida 41
- Georgia 5
- Hawaii 4
- Idaho 9
- Illinois 18
- Indiana 11
- Iowa 9
- Kansas 2
- Kentucky 5
- Louisiana 6
- Maine 2
- Maryland 12
- Massachusetts 10
- Michigan 17
- Minnesota 7
- Mississippi 5
- Missouri 8
- Montana 5
- Nebraska 4
- Nevada 3
- New Hampshire 3
- New Jersey 8
- New Mexico 3
- New York 52
- North Carolina 22
- North Dakota
- Ohio 12
- Oklahoma 4
- Oregon 11
- Pennsylvania 17
- Puerto Rico 1
- Rhode Island 1
- South Carolina 8
- South Dakota
- Tennessee 12
- Texas 50
- Utah 15
- Vermont 1
- Virginia 28
- Washington 14
- West Virginia 2
- Wisconsin 20
- 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 574 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
Spa Girl Tri Lost Pines takes place at Hyatt Regency Lost Pines Resort And Spa on September 26, 2026, with course maps, registration pages, and 2026 race results available.
Adventure races in Kamas, Utah combining trekking, mountain biking and navigation: a 15 mile sprint with map and compass plus a 5 mile family 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 day long multisport festival at Pawtuckaway State Park offering swim, trail bike and trail run options with untimed, community focused participation.
Experience a diverse weekend of racing at Highline Lake State Park with road and off road triathlons featuring sprint and Olympic distances in western Colorado.
Monthly updates for United States
Get new running races (and updates) in your inbox every month.
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.
A relay and solo half triathlon in Solon, Iowa that supports Lewy Body Dementia awareness, with kayak swim and e-bike cycling options placed in an Alternative Division.
Adaptive swim, bike and run event for participants aged 4 to 21 with cognitive and physical challenges in Buford GA, using buddy support and adaptive equipment.
IRONMAN Chattanooga on September 27, 2026 in Chattanooga TN features a fast downriver swim, rolling bike course and a scenic downtown run.
All women sprint triathlon in Huntersville NC with a 250 yard swim, 8 mile bike and 2 mile run, plus youth, duathlon, aquathlon and virtual options.
A multisport event at Ray Roberts Lake State Park on September 27, 2026 featuring Olympic, sprint and youth triathlon formats plus 5K and 10K runs.
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.
IRONMAN 70.3 Augusta on September 27, 2026 in Augusta, Georgia features a 1.2 mile downriver swim, a 56 mile bike and a 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.
USAT sanctioned triathlon and duathlon at Rockaway Beach with ocean swim, boardwalk bike and run, plus junior and family race options.
A multi-division triathlon in South Padre Island on 09/27/2026 offering Sprint, Olympic, relay, and a high school division with 16 and 32 mile distances.
Multi-distance triathlon at Prairie Creek Reservoir Park with Sprint and Olympic options, USAT sanctioned and chip timed. Lake swim, rolling hills on bike and run, finishers receive a shirt and medal.
Championship SwimRun at Deam Lake Indiana featuring a 12.5 mile course plus multiple open water swim distances and an ultra swim.