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 51
- 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
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 654 exciting races across the country. Find your next race in the United States below and join the running community at these great events!
August 2026
Americana YMCA presents a youth Splash and Dash combining pool laps and running for ages 3 to 18 with individual and two person team divisions. Results use start and finish times and medals are awarded by division.
A triathlon in Edinburg, TX on August 16, 2026 with kids, recreational, and competitive divisions. Helmets are mandatory, shirts are limited to the first 300 registrants, and registration closes early if 500 participants are reached.
A multi-activity event on August 16, 2026 at Memorial Field in Concord NH where participants select three activities from biking, a 5k walk or run, Bootcamp, or yoga; virtual entry, youth categories, donations, and event merchandise are available.
A sprint triathlon on August 16, 2026 at Camp Buckner featuring a 750 meter swim, 22 km bike and 5 km run, plus a youth triathlon and a post-race clinic the day before.
A youth aquathlon at the Barshop Jewish Community Center in San Antonio with swim and run distances for ages 5 to 17 and USA Triathlon certification. Race day includes packet pickup and an awards ceremony.
IRONMAN 70.3 Louisville stages a swim in the Ohio River, a rolling bike course and a run through downtown Louisville; the event is currently on pause.
Stroke and Stride is a chip timed swim run series at Turtle Lake Park combining an 800 yard or 1600 yard open water swim with a 3.1 mile run. Six events from June to August offer single race or full series registration.
A short-course triathlon and duathlon series at Island Lake Recreation Area with swim waves, chip-timed age group awards, a club points championship, wetsuit and safety rules, and an annual memorial award that supports cancer research.
The ROC Triathlon in Irondequoit, NY on August 21 and 22, 2026 offers sprint and intermediate triathlons plus duathlon, aquabike, a 5K and youth events. It is USAT sanctioned and includes National Championship qualifying slots.
A two-day multisport event in Maple Grove, MN featuring multiple triathlon and duathlon distances, relay team options, and a youth Splash & Dash with age-specific swim and run distances.
A USA Triathlon-sanctioned gravel triathlon and duathlon at Branched Oak Lake with sprint and intermediate distances, a three-day Triple option, and national championship qualification.
A multisport event at Glimmerglass State Park featuring a 2 mile paddle, an 18 mile bike loop, and a 5K run that crosses the Hyde Hall footbridge.
Open water lake swim, rolling bike loops and a shaded out and back run at Oak Mountain State Park in Pelham, Alabama.
A multi-format triathlon event on August 22, 2026 at Carlin Park in Jupiter, Florida featuring individual, relay, duathlon and aqua bike options, with a 3/8 mile ocean swim and a 13 mile bike course.
Barron Lake Triathlon in Niles, Michigan on August 22, 2026 features a 500 yard swim, 15 mile bike and 3.1 mile run for adults, a relay option, and separate timed and non timed kids triathlons with age specific rules.
Sprint triathlon, duathlon and aquabike races at Don Carter State Park near Gainesville, GA, feature a 600 m time trial swim, roughly 11 miles of bike on open roads and a two-lap 5 km run.
A reverse-order sprint triathlon at Splash Summit Water Park in Provo combining a 5K run, an eight mile bike ride, a 300 yard swim, and a waterslide finish. Events include individual and team sprints, a 5K run/walk, and a kids super-sprint.
A multi-event weekend at Theodore Roosevelt Memorial Park featuring a main triathlon with a 1/2 mile swim, 12.3K bike loop and 5K run, plus relay, AquaBike, BikeRun and two junior race distances.
A multi-discipline event at Eagle Creek Park on August 22, 2026 offering triathlon, duathlon, aquabike, and relay options with awards and soft style shirts.
Experience a scenic sprint triathlon featuring a swim in Lake Icaria a bike through the countryside and a trail run. Individual and relay options are available alongside a 5K fun run and an open water swim.