United States
- Alabama 10
- Alaska 5
- Arizona 18
- Arkansas 3
- California 58
- Colorado 18
- Connecticut 10
- Delaware 2
- District of Columbia
- Florida 42
- Georgia 11
- Hawaii 3
- Idaho 13
- Illinois 21
- Indiana 19
- Iowa 17
- Kansas 7
- Kentucky 12
- Louisiana 6
- Maine 5
- Maryland 15
- Massachusetts 15
- Michigan 21
- Minnesota 19
- Mississippi 6
- Missouri 4
- Montana 4
- Nebraska 3
- Nevada 2
- New Hampshire 4
- New Jersey 15
- New Mexico 4
- New York 47
- North Carolina 28
- North Dakota
- Ohio 20
- Oklahoma 6
- Oregon 7
- Pennsylvania 20
- Puerto Rico 2
- Rhode Island 2
- South Carolina 10
- South Dakota 2
- Tennessee 15
- Texas 47
- Utah 12
- Vermont 2
- Virginia 32
- Washington 18
- West Virginia 2
- Wisconsin 19
- Wyoming 3
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 680 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
A multi race event in Chula Vista on August 16, 2026 featuring triathlon, duathlon, aquabike, relays, youth races and a 5K. It is Event 2 of the San Diego Triathlon Series and part of the Triple Crown.
A range of Olympic and Sprint triathlon, duathlon, aquabike, and relay races take place on August 16, 2026 at John Pennekamp Coral Reef State Park in Key Largo, with swims at the park beach and an out and back bike on Overseas Highway.
August 16, 2026 at Caesar Creek State Park Beach in Waynesville Ohio, this multisport festival offers triathlon, duathlon, aquabike, aquathlon, open swims and open runs from beginner to 1/3 Iron distances, with shirts, medals and on-site medical and..
A multi-format triathlon at Lakeside Park in Cazenovia, NY, featuring intermediate, sprint and high school races plus aquabike and relay options, organized by the CNY Triathlon Club with youth programs and a high school support fund.
A one-day multi-sport event at Lake Arrowhead in Luray, VA on August 16, 2026, offering Olympic and Sprint triathlon, duathlon, and aquabike races in individual and relay divisions.
A family-run triathlon at Lake Mary near Flagstaff offering Long and Olympic courses with views of the San Francisco Peaks and nearby lakes. The event provides medals for all finishers and uses RFID timing.
Team-based Olympic distance triathlon in Grand Rapids on August 16, 2026, with Captain and Angel roles, volunteer opportunities, and an Olympic course of 0.93 mile swim, 40K bike, and 10K run.
IRONMAN 70.3 Northern California in Redding features a swim at Whiskeytown Lake, a net downhill bike through Shasta County and a flat, shaded run on the Sacramento River Trail.
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 middle distance triathlon in Louisville with a river swim, rolling bike terrain, and a downtown run; the event is currently on pause during local road improvement projects.
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.
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.