United States
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Alabama15
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Alaska13
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Arizona15
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Arkansas6
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California68
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Colorado15
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Connecticut14
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Delaware5
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District of Columbia
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Florida60
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Georgia20
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Hawaii3
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Idaho16
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Illinois29
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Indiana32
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Iowa17
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Kansas7
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Kentucky11
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Louisiana8
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Maine8
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Maryland19
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Massachusetts23
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Michigan33
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Minnesota23
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Mississippi10
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Missouri13
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Montana10
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Nebraska5
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Nevada
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New Hampshire2
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New Jersey34
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New Mexico7
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New York75
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North Carolina33
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North Dakota1
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Ohio21
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Oklahoma8
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Oregon13
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Pennsylvania34
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Puerto Rico1
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Rhode Island3
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South Carolina19
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South Dakota
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Tennessee28
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Texas60
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Utah15
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Vermont3
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Virginia40
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Washington28
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West Virginia8
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Wisconsin35
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Wyoming4
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 963 exciting races across the country. Find your next race in the United States below and join the running community at these great events!
March 2026
The Drift is a winter running event with 13, 28 and 103 mile courses along the Green River. Distances range from a 13 mile out and back to a 103 mile self sufficient route with over 9,000 feet of elevation change.
Experience the foothills of the Sierra Nevada at the Rocky Hill Triathlon in Exeter. Choose from two triathlon distances or individual 5k and 10k runs featuring scenic climbs and a stadium finish.
Event Details
The Oro Valley Triathlon and Duathlon Festival is a multisport event featuring triathlon, duathlon, and aquabike disciplines. It is a USA Triathlon (USAT) sanctioned event.
Distances & Formats
The event includes the following format..
Tanana River Challenge
The Tanana River Challenge is an endurance race for runners, skiers, skijorers, and cyclists. It offers 25-mile and 45-mile distances. Both distances follow routes along the Tanana River and through the Rosie Creek forest. The..
An early-season adventure race in Virginia's Pocahontas State Park. Choose from a 5-hour or 10-hour format, navigating mountain bike trails and off-trail foot sections. The event includes race swag, hot food, and a post-race bonfire.
Experience a day of multisport racing at the Anthem Community Center. Choose from triathlon, duathlon, aquabike, or a 5km run to support local community charities.
Test your endurance at this indoor swim bike and run event in Lemont where athletes compete in timed heats using spin bikes and treadmills. Reach your maximum distance across three different disciplines to earn age group awards.
Dive into this beginner-friendly indoor triathlon in Jonesboro. Participants swim 300 meters, bike 5 miles, and run 2 miles on treadmills and stationary bikes. The event is capped at 60 spots and includes a t-shirt.
A multisport race day at Lake Havasu State Park on March 15, 2026 featuring Olympic, Sprint, and youth events, an updated bike course with more closed-course miles, and an out-and-back run along the Shoreline Trail.
Experience the inaugural IRONMAN 70.3 Dallas Little Elm featuring a beach start at Lake Lewisville and a fast rolling bike course through the North Texas landscape. Join the big Texas energy for this world championship qualifying event.
The HealthQuest Indoor Triathlon offers a controlled environment for a multisport challenge. Participants complete a 500m swim, a 13-mile indoor bike, and a 5k treadmill run in Flemington, NJ. Options include solo and team relay categories, with regi..
The Game On Treasure Coast Triathlon features sprint and Olympic distances for triathlon and duathlon, including relay options. The scenic course starts from Jaycee Park on Hutchinson Island, with swims in the Indian River Lagoon and bike and run seg..
Swim in the O'Connell Center Pool and bike through the University of Florida campus at the Escape the Swamp Triathlon. Choose between Super Sprint and Sprint distances in the heart of Gainesville.
The St. Marks Duathlon offers a classic run-bike-run format, sanctioned by USA Triathlon. Choose from individual, relay, or unique Fat Tire bike categories. The course is open to traffic and marked with colored arrows for guidance.
Join experienced coaches in Tucson for four days of swim, bike, and run training including the Mt. Lemmon climb. Refine your form and fueling while building fitness for the 2026 triathlon season.
Kick off your season at the TriUtah Ice Breaker Sprint Tri on March 21, 2026 in American Fork, Utah. Choose sprint tri, aquabike, duathlon, aquathon, or relay as you tackle a 300 m swim, 13 mile bike and 5 km run.
Test your endurance at the NorthPointe Wellness Indoor Triathlon Series in Roscoe. Complete a 350 yard swim, a 15 mile stationary bike ride, and a 2 mile treadmill run in this three part winter competition.
Kick off the 2026 season at the Spring Equinox Indoor Triathlon. This event features timed segments of swimming, biking, and running in a supportive environment. It's a welcoming option for both first-timers and seasoned athletes.
Test your mountain skills in this five stage winter pentathlon on the slopes of Mount Washington. Participants use alpine and nordic techniques to traverse from the summit area down to Jackson Village in a unique relay format.
Join a diverse multisport event in McKinney featuring pool-swim triathlons, a run-bike-run, and a 5K race. Whether you choose the sprint or super sprint distance, every finisher celebrates with a custom medal and shirt.