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
-
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
Tackle the Frozen Foot Challenge at Pocahontas State Park for a thrilling mountain bike and off trail trekking adventure across fast single track and rolling woods. Choose 5 or 10 hour timed races solo or with a team and enjoy race swag, GPS tracking..
Test your speed at the CORE Indoor Sprint Triathlon in Lemont with timed swim, spin bike and treadmill segments in small 20 minute heats. Awards, participant shirt and limited spots make early registration smart.
MomsTRI Women's Sprint Triathlon in Goodyear AZ is an all female sprint with individual, two and three person relays, youth and virtual options. Enjoy swag and finisher jewelry while supporting the New Life Center.
Make waves at Lake Havasu with 2026 Cal Tri on March 15, offering sprint, Olympic and youth multisport and run options for all abilities. Swim, bike and run amid scenic desert views with wetsuits allowed and easy transfers.
Race IRONMAN 70.3 Dallas Little Elm on March 15, 2026 with onsite PLAYTRI bike rentals, repairs and race prep to keep you race ready. Visit PLAYTRI for rental levels and tune up options.
An indoor triathlon in Flemington NJ on March 15 2026 featuring a 500 meter swim, 13 mile stationary bike segment and a 5 kilometer treadmill run. Entry options include solo member, solo non member with facility access and team relay.
Escape the Swamp Triathlon in Gainesville on March 15, 2026 features pool swims and bike and run courses through the University of Florida campus. Choose Super Sprint or Sprint for a fast, fun race with medals and shirts.
Sprint into St. Marks Duathlon at Riverside Drive in St. Marks Florida: a spirited run, bike, run course (5K, 20K, 2.5K) suitable for solo racers, relays, and fat tire riders. USAT sanctioned and supporting Gulf Winds Triathletes.
Sharpen your swim, bike and run skills at Desert Endurance Tucson Triathlon Camp, March 18 to 22 in Tucson, AZ. Coaches guide sessions and a Mt. Lemmon climb for a fun but challenging week of endurance training and race prep.
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.
Join the NorthPointe Wellness Indoor Triathlon Series in Roscoe Jan to Mar 2026 for three indoor swim bike run races. Register for a single race or the full series and chase top overall awards while spots remain.
An indoor triathlon in Woodstock, GA on March 21, 2026, with timed segments of a 10-minute swim, 30-minute bike, and 20-minute run. The event is described as low pressure, with a $40 entry fee and registration closing March 14, 2026.
Lace up for the Luck of the Irish Triathlon in McKinney at Life Time Fitness Craig Ranch, offering sprint and super sprint triathlons, a run bike run, a 5K, plus virtual and collegiate options. Clinics and relays welcome all levels.
Take on the White Mountains 100, a 100 mile winter race in Alaska where runners, skiers, and bikers tackle a remote loop on snow trails. Arctic weather and rugged terrain demand strong winter skills.
Join the 39th Annual March Classic Duathlon in Central Park on March 22, 2026 for a scenic run, bike, run through iconic park roads. Enter solo, form a relay team, or volunteer and enjoy mild hills and city views.
CLASH Coastal Mississippi at Jones Park in Gulfport offers three days of racing from sprints to Daytona distance with relay options on Gulf Coast courses. Expect a saltwater swim likely wetsuit legal and flat bike and run routes.
Americas Triathlon Cup Gulfport brings age group triathletes and duathletes to CLASH Endurance in Gulfport alongside USA Triathlon Collegiate Club Nationals. Race day is March 27, 2026; register through your national federation.