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!
May 2026
Join the 2026 Cal Tri Ventura on May 3 at Harbor Cove Beach in Ventura, CA for a seaside multisport festival. Choose from Olympic or Sprint triathlons, RunBikeRun, SwimBike, SwimRun, swims and 5K or 10K runs, open to ages 18 and older.
Take on the White Lake Spring International and Sprint triathlons on the white sandy shore of The Grand Regal at Goldston's Beach. Choose Sprint or International distances solo or as a relay and soak up beachfront fun with food and family activities.
Compete at Latitude 29.2 in Fort Travis Park, Port Bolivar on May 3 with sprint and Olympic triathlon, duathlon, aquabike and relay races. Swim the Gulf of Mexico, bike Hwy 87, run with gulf views and enjoy a post race party.
Join Finish Line Racing in St. Petersburg on May 3, 2026 for a lively multi sport festival with international and sprint triathlons, duathlon, aqua bike, relays and 5K and 10K run options. Events welcome teens through masters with medals and swag.
Adventure Triathlon at The Manor in Mays Landing on May 3 offers triathlon, duathlon, aqua bike, 5k trail run and bike time trial for ages 12 and up. Enjoy scenic kayak, mountain bike and trail run courses, medals for all and free race photos.
Kick off spring in Whitewater on May 3, 2026 with the J Hawk Earlybird Race Series, offering triathlon, aquabike, duathlon and relay options for all levels. Hosted at UW Whitewater, the event supports youth swim lessons and a youth swim team.
Join the East Coast Triathlon Festival in Glen Allen VA on May 3 2026 for youth and adult triathlon, duathlon, aquabike and relay races with both draft legal and non draft formats. Flat, fast courses around a shallow manmade lake make it ideal for al..
Race the coast at Game On! Ponte Vedra Beach Triathlon on May 3, 2026 in Ponte Vedra Beach Florida. Choose Olympic or Sprint multisport, duathlon or aquabike with relay options and enjoy ocean swims and a scenic A1A bike course.
Join Spring Fever Triathlon in Jenks on May 3, 2026 for a fun sprint: 400 yard pool swim, 12 mile bike and 2 mile run through scenic Green Country. Welcoming to teens, relay teams and all experience levels.
Rev3 Nanticoke River is a multisport festival of triathlon, duathlon and aquabike on the scenic Nanticoke River at Cedar Hill Marina in Bivalve MD. Races for adults and kids and a USA Triathlon sanction make it great for all levels.
A multi-format triathlon at Water's Edge Park in Corpus Christi on May 3, 2026, featuring sprint and super sprint swim bike run courses plus a duathlon and 3-person relay with USA Triathlon sanctioning and age group awards.
Start your summer evenings with the Brick Endurance Sprint Triathlon at Rolling View State Park in Durham. Short swim, bike and run legs make this midweek race ideal for beginners and fast tune ups, part of a four week evening series.
Tackle the DOOBY DU Duathlon in Sylvania OH on May 6, 2026, a fun run bike run around Secor Metropark and flat rural roads. Great for ages 15 and up with family friendly spectator viewing at the lively transition area.
IRONMAN 70.3 Gulf Coast returns to Panama City Beach on May 9, 2026 as a World Championship qualifier, offering full 70.3 distance racing and relay teams. Swim the Gulf, bike flat scenic roads and run the coastline for a fast, fun day.
Thunder in the Valley at Hawthorne Park in Terre Haute invites triathletes and duathletes to a scenic lake swim, rolling 20K bike and shaded flat 5K run with relay team options. A beloved event with over 40 years of tradition, awards and post race re..
Celebrate women in sport at the AdventHealth Girlz on Fire Women's Triathlon and 5K on May 9, 2026 in Clermont, Florida. Choose a sprint triathlon, relay, duathlon, aquabike, aquathlon or 5K and enjoy scenic lakefront courses.
Race the Spirit of Kona Triathlons and 5k/10k on May 9, 2026 at Tellico Dam Recreation Area in Lenoir City, Tennessee. Choose sprint or Olympic triathlons, aquabike, aquathlon, relays or the certified 5k and 10k for scenic damside courses.
Kinetic Triathlon Festival returns to Lake Anna State Park on May 9 and 10 with Long Course, Olympic and Sprint races. Enjoy sandy beach swims, rolling country roads for the bike, scenic park runs, finisher gear and a post race meal.
Dive into the scenic Folsom Lake International Triathlon at Granite Beach, featuring an Olympic distance swim, country road bike and trail run. Limited to 300 athletes, the race includes custom socks, a finisher's hat and USA Triathlon sanctioning.
Test your speed at the Gator Grinder Triathlon in Canby OR and help the Canby Gators Swim Club. Choose sprint or mountain bike tri, aquabike, duathlon or relay over a 500 yard pool swim, 12 mile bike and 3.1 mile run.