United States
- Alabama 13
- Alaska 11
- Arizona 17
- Arkansas 5
- California 58
- Colorado 21
- Connecticut 21
- Delaware 3
- District of Columbia
- Florida 44
- Georgia 16
- Hawaii 3
- Idaho 15
- Illinois 26
- Indiana 26
- Iowa 22
- Kansas 7
- Kentucky 12
- Louisiana 8
- Maine 11
- Maryland 16
- Massachusetts 21
- Michigan 35
- Minnesota 26
- Mississippi 5
- Missouri 9
- Montana 10
- Nebraska 4
- Nevada 2
- New Hampshire 4
- New Jersey 26
- New Mexico 7
- New York 67
- North Carolina 33
- North Dakota 1
- Ohio 23
- Oklahoma 8
- Oregon 8
- Pennsylvania 27
- Puerto Rico 2
- Rhode Island 3
- South Carolina 15
- South Dakota 3
- Tennessee 20
- Texas 54
- Utah 15
- Vermont 3
- Virginia 34
- Washington 22
- West Virginia 6
- Wisconsin 31
- 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 873 exciting races across the country. Find your next race in the United States below and join the running community at these great events!
June 2026
Timed swim-run sessions at Turtle Lake combine a 500 yard open water swim with a 3.1 mile run across six summer dates. Chip timing, self seeded time trial starts, on site safety, and a secure transition area support training and performance tracking.
A neighborhood triathlon series at Cedar Lake featuring sprint and super sprint races plus relay teams, held every other Thursday with preregistration required and race rules for swim, bike, and run sections.
Experience a unique multi sport event featuring a sand dune run, a scenic 17 mile bike ride, and a paddle across Little Glen Lake in the Sleeping Bear Dunes National Lakeshore.
IRONMAN 70.3 Boulder on June 13, 2026 features a reservoir swim followed by hilly bike and run courses set against the Flatirons and the Rocky Mountains. The event lists average water temperature at 71°F and serves as a 70.3 World Championship qualif..
A multisport event at Winona Lake Park Bandshell featuring swim beneath Sugarloaf, bike through bluff country and a run around Lake Winona. Multiple distances are offered including Olympic, sprint, aquabike and duathlon with age group awards.
Adventure racing at Lake Anna State Park on June 13, 2026, with five hour courses for solo and team entries. Events combine paddling, biking and on foot navigation with supplied boats, maps and post race meal.
A USAT sanctioned event in Montauk on June 13, 2026, offering Olympic, aquabike and sprint formats along Lake Montauk and historic local roads, with race rules on equipment, no drafting, and proceeds supporting pancreatic cancer research.
An Olympic distance triathlon in Knoxville with a Tennessee River swim, a 25 mile bike along Riverside Drive, and a 6.2 mile greenway run. Multiple race formats and relay and weight class options are offered.
A sprint triathlon in Versailles, KY with a 400-yard indoor pool swim, a 15-mile bike through Woodford County and a 3.1-mile cross-country run. Open to ages 15 and up with Family Relay and Business Sponsorship divisions.
A USAT-certified triathlon in Paris, Illinois on June 13, 2026 offering sprint and Olympic distances with relay options, chip timing, race apparel, awards, and post-race refreshments.
A multi event weekend in Jefferson City on June 13 and 14, 2026 featuring triathlon, relay and duathlon races plus youth options. Courses use the Ellis Porter Riverside Park pool and run and bike routes near the historic penitentiaries.
A community sprint triathlon and 5K in Payson, Utah, featuring a reverse order course that finishes with a pool swim. Event services include chip timing, a finisher medal, event photos, and early pool entry wristbands.
Cicero Triathlon on June 13, 2026 at Red Bridge Park offers triathlon duathlon aquabike and relay formats with measured swim bike and run legs. Soft style shirts and awards are part of the event and an age minimum applies.
A 15 mile triathlon in Michigan combining a 1 mile kayak, 11 mile bike, and 3 mile run from Mio Pond to Boney Park; individual or two or three person teams, entry includes lunch and a t-shirt.
Strokes, Spokes and Strides in Waynesboro PA is a sprint triathlon at the Waynesboro Area YMCA with individual and three person relay options, plus Aquavelo and Duathlon formats.
A multi day triathlon weekend at Brady's Run Park in Beaver Falls, PA featuring junior and youth elite races, open draft legal events with prize money, and a range of non drafting youth and age group super sprint races.
An off road triathlon at Ridgway State Park featuring a trail run, SUP paddle and mountain bike leg with individual and team entries, including youth categories.
Napoleon Triathlon Presented By Henry County Hospital in Napoleon, Ohio offers individual and team triathlon and duathlon races plus a kids triathlon for ages 7 to 12. Registration runs January 15 to May 15, 2026 with fees by category.
A one day triathlon and duathlon at Laura Walker State Park featuring a lake swim, out and back bike, and shaded run. Multiple categories include age groups, masters, Clydesdale and Athena, fat tire, novice, military, physically challenged, and relay..
A kayak triathlon at Lake Frances featuring a 1.5 mile paddle, a 12 mile bike and a 3 mile run. Individual and two or three person team options with timing chip exchanges at transitions.