United States
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Alabama12
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Alaska11
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Arizona12
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Arkansas3
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California45
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Colorado10
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Connecticut8
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Delaware3
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District of Columbia
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Florida53
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Georgia15
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Hawaii
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Idaho13
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Illinois26
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Indiana26
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Iowa10
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Kansas5
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Kentucky10
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Louisiana5
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Maine7
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Maryland18
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Massachusetts16
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Michigan29
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Minnesota13
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Mississippi5
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Missouri10
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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 Jersey28
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New Mexico3
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New York67
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North Carolina31
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North Dakota1
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Ohio19
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Oklahoma8
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Oregon12
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Pennsylvania24
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Puerto Rico1
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Rhode Island2
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South Carolina16
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South Dakota
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Tennessee22
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Texas55
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Utah16
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Vermont1
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Virginia34
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Washington22
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West Virginia7
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Wisconsin28
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Wyoming3
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 777 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
Challenge yourself at the Gaylord All Outdoors Tri 45, a winter triathlon on March 7, 2026 at Forbush Corners featuring a 5 km skate ski, 10 km fat tire bike and 5 km snowy trail run across rolling hills. Enjoy post race snacks, chip timing and a cus..
Homer Epic on March 7 to 8, 2026 in Homer, Alaska, is a 50 km or 100 km winter human powered race through scenic Caribou Hills where you can ski, bike, or run. Field is limited to 150 and racers have 24 hours to finish.
An indoor triathlon at the YMCA of Middletown on March 7, 2026, held in ten separate waves at 81 Highland Ave. Entry fees are listed as $54 before race day and $59 on race day, and the event is open to participants aged 13 and older.
Dive into the March Triathlon Series at scenic Lopez Lake in Arroyo Grande on March 7, 2026. Choose Sprint or Olympic distances and race amid lush canyons and high water levels for a fast and beautiful California course.
Join the Dryer Triathlon in Katy Texas on March 7 2026 for sprint triathlon, duathlon, aquabike and team relay action limited to 550 athletes. Finish at Katy Beer Garden with USAT chip timing, a finisher medal and post race beer and celebration.
A memorial sprint triathlon held the weekend after the organizer's father's birthday with in person races in Morganton NC and a mainly virtual option. Distances are 0.5 mile swim 12.4 miles bike and 3.1 miles run.
An off-road run, bike, run event at Lakeside Park in Piedmont, SC offering full and mini sprint distances for individuals and two-person relays, with chip timing, age-group awards, and finisher medals.
Join the St. Patrick's Day Sprint Tri in Keller TX on March 8, 2026 for pool swims, looped road bikes and a scenic trail 5K. USAT sanctioned sprint and super sprint distances make for a fast, festive season opener.
Compete in the 43rd annual AdventHealth Great Clermont Triathlon on March 8, 2026 in Clermont, Florida, with Olympic and sprint distances, relays, a 5K run walk, bike only options and virtual entries. All abilities welcome.
Kick off the 2026 North Carolina Triathlon Series in Wilmington at UNCW with a sprint tri featuring a 300 yard pool swim, 12 mile bike and 5K run. Individual, relay and aquabike entries welcome for racers of all levels.
Push your limits at the 33rd Annual YMCA Indoor Triathlon in Kingston on March 8, 2026. Swim, bike and run in timed indoor segments for a fast, friendly competition with small waves and a community vibe.
Grab a partner for the Dream Team Dri Tri at Oak Brook Park District on March 8, 2026, a two person relay mixing indoor rowing, air assault biking and laps on the track. Open to ages 12 and up, registration closes March 5.
Join an indoor triathlon in New Lenox on March 8, 2026 to support the Crisis Center for South Suburbia. Swim, bike, and run on timed machines for fun and fitness while raising funds for a great cause.
Join the Whiptail Duathlon on March 8, 2026 at McKenzie Ranch in Vail, AZ for run and bike courses over technical, rolling singletrack. Multiple distances and relay options welcome racers of all levels, with finishers earning a shirt and medal.
The inaugural Hop Forward Aquathlon in Broomall on March 8, 2026 features a 300m swim, 5K run and another 300m swim at Lawrence Park Swim Club, with awards by age group and early-entry apparel or gloves for participants.
The Drift is a winter multi discipline race along the scenic Green River corridor with running, fat bike and ski options. Choose 13, 28 or about 100 mile routes that cross flat river sections and remote high elevation terrain.
Join the Rocky Hill Triathlon in Exeter on March 14 featuring short and long tri options plus 5k and 10k, pool swims, Rocky Hill climbs and a stadium finish. All finishers get a hoodie and enjoy postrace perks supporting local parks.
Oro Valley Triathlon and Duathlon Festival in Arizona on March 14, 2026 offers sprint, intermediate and beginner races. Pool swim, traffic controlled bike and flat run. USAT sanctioned, 18 plus.
Experience the Tanana River Challenge in Fairbanks on March 14, 2026. Pick 25 or 45 miles to run, ski, skijor or bike along scenic river and forest trails and finish with a lively post race gathering.