United States
- Alabama 10
- Alaska 4
- Arizona 16
- Arkansas 3
- California 61
- Colorado 16
- Connecticut 4
- Delaware 2
- District of Columbia 1
- Florida 42
- Georgia 11
- Hawaii 4
- Idaho 10
- Illinois 19
- Indiana 14
- Iowa 14
- Kansas 3
- Kentucky 11
- Louisiana 6
- Maine 4
- Maryland 14
- Massachusetts 14
- Michigan 17
- Minnesota 13
- Mississippi 6
- Missouri 6
- Montana 6
- Nebraska 3
- Nevada 4
- New Hampshire 3
- New Jersey 11
- New Mexico 5
- New York 47
- North Carolina 26
- North Dakota
- Ohio 13
- Oklahoma 6
- Oregon 3
- Pennsylvania 16
- Puerto Rico 2
- Rhode Island 1
- South Carolina 9
- South Dakota 1
- Tennessee 13
- Texas 52
- Utah 11
- Vermont 1
- Virginia 35
- Washington 13
- West Virginia 3
- 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 627 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
Multisport event at Glimmerglass State Park featuring a 2 mile paddle, 18 mile bike and 5K run, with relay options and required water safety equipment.
A longstanding triathlon at Oak Mountain State Park offering sprint and Olympic swim, bike, and run courses with time trial open water swims and multiple race entry options.
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.
Monthly updates for United States
Get new running races (and updates) in your inbox every month.
A reverse order sprint triathlon at Splash Summit Waterpark featuring a 5K run, 8 mile bike, 300 yard swim and a waterslide finish. A kids super sprint and a 5K walk run are also offered.
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.
At Lake Icaria in Corning, IA a sprint triathlon features a 600 m swim, 14 mile bike and 5K run, alongside a 5K trail run and a 600 m open water swim.
Multi-distance triathlon and duathlon at Electric City Water Park in Great Falls, MT, with pool swims, varied bike routes, youth divisions, team options, and professional timing.
A multi-distance triathlon weekend on Chicago’s Lake Michigan lakefront with swim, urban bike routes and lakeside runs across youth, SuperSprint, Sprint and Olympic events.
Multi-discipline 5 hour and 12 hour adventure races at Shenandoah River State Park combining paddling, mountain biking, and navigation.
A sprint triathlon at Granite Beach, Folsom Lake SRA on August 22, 2026 featuring a 3/4 mile swim, an 11 mile two lap bike course, and a 5 mile trail run, with club and age group awards.
A non-competitive multisport event on Kenmore's waterfront combining a swim, bike, run and a paddle leg. Participants may enter solo or in relays up to four people; registration includes a t-shirt and entry into a prize drawing.
Olympic triathlon and duathlon at Callaway Gardens with a 1000 m swim, 18 mile bike loops, and a 5 mile run around Robin Lake.
Sprint distance triathlon in Gunnison with a 500 yard pool swim, 23 km bike on asphalt and a 6.4 km run on the Van Tuyl Trail, plus kids and relay options.
A 12-hour, navigation-focused night adventure at Buckhorn Lake State Resort Park combining navigating, biking, trekking and paddling with an included night-navigation clinic.
Adventure triathlon at Barkcamp State Park with kayak or swim starts, an 8 mile trail bike and a 5K trail run; individual and 2 to 3 person relay options.
A family-focused recreation and wellness day at Isothermal Community College in Spindale, NC. Includes Super Sprint triathlon formats with an indoor pool swim, a campus 5K, youth activities, vendors and community groups.
W.I.L.D. Hodag Mini Triathlon in Rhinelander, Wisconsin on August 22, 2026 features a 300 yard swim or 1/2 mile kayak, a 10K off road bike and a 5K run. Proceeds support W.I.L.D. youth leadership programs.