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 Virginia8
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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
A day at Wayne County Fairgrounds combining a 5K run with a 140-rep fitness challenge and a police K9 competition, with proceeds supporting a K9 officer foundation and awards for run and K9 categories.
Shi Tri is a scenic run, paddle and bike triathlon along the Shiawassee River in downtown Owosso. Race solo or join a 2 to 3 person relay and help support the Friends of the Shiawassee River and community fitness.
Join Cal Tri Richmond at Lake Anna State Park on May 17, 2026, with sprint, Olympic and youth triathlon options across swim, bike and run. Scenic lake setting and courses for every level make it a perfect spring race.
Take on the C26 Kansas City Triathlon on May 17 2026 with Olympic, sprint, duathlon and relay options. Flat closed road courses and strong race day support make this an ideal early season test for all levels.
Take on the Shawnee Mission Park Adventure Race on May 17, with 2 hour and 6 hour options mixing trail running, mountain biking, paddling and navigation through prairie and streamway terrain. Teams and solos welcome, rain or shine.
Join the Nashville Women's Triathlon for a pool swim, bike, and run through Centennial Park past the Parthenon. Super Sprint and Sprint options welcome individuals, two person and three person relays, or virtual entries.
Take on Playtri Fort Worth on May 17, 2026 with Olympic and Sprint triathlons, Run Bike Run duathlon, relay teams and virtual options at Marine Creek. USAT sanctioned, family friendly and great for racers ages 13 and up.
Take on the Dunedin Rotary Triathlon at Honeymoon Island on May 17, 2026 with triathlon, duathlon and aquabike options for all levels. Enjoy scenic Gulf views, a finisher medal and support the Rotary Club of Dunedin.
Kick off the season in Hopkinton with sprint and team duathlon and triathlon options routed through scenic Hopkinton State Park, Southborough and Ashland. Enjoy a custom finisher medal, BBQ, a soft shirt and live results for a fun race day.
Join the Upper Dublin Triathlon, Duathlon, Aquabike and 3.4 mile run in Fort Washington on May 17, 2026, featuring a pool swim and two loops of a scenic 9.65 mile bike course. USAT sanctioned event with proceeds supporting local charities.
Take on the USAT Indiana Championships at Prairie Creek Reservoir Park in Selma, IN, with Sprint and Olympic triathlons plus duathlon, aquabike and relays. Lake swim, rolling bike roads and a shaded park finish with custom medal and tee.
Race along the Atlantic on Hutchinson Island at Game On Escape to Hutchinson Island Triathlon in Stuart, Florida. Sprint and international swim, bike and run options on a scenic ocean swim and flat A1A bike course, with proceeds supporting the Florid..
Race the Black Squirrel Triathlon on May 17, 2026 at scenic Lake Manawa Beach in Council Bluffs with sprint, relay, SwimRun Aquathon, and Aquabike options. Enjoy a flat and fast lake course, a finisher medal for all, and age group and overall awards.
Race the 31st Onion Man Triathlon at Bennington Lake on May 17, 2026: Olympic distance 1.5K swim, 40K rolling bike and 10K run. Individual, relay and aquabike options, 300 athlete cap, and a post race meal with a free beer.
Join the Cross Bay Triathlon and Duathlon in Rockaway Beach for an Atlantic open water swim, boardwalk bike loops and a flat 3 mile run. Aquabike and team relay options welcome solo racers and groups.
Tri Miami Triathlon 1 on May 17, 2026 at Crandon Park features sprint, intermediate and Olympic events plus duathlon and aquabike. Swims are in a calm Atlantic area, the bike route includes William Powell Bridge, and runs follow paved park trails.
An all-women's triathlon in Anchorage running March 3 to May 24, 2026, with a full in-person race for 1,650 participants plus a virtual triathlon option; both formats are open to ages 10 and older.
Push your limits at the Lakeside Double Sprint Triathlon in Greenville, SC on May 22, 2026, where athletes swim, bike and run the sequence twice for a fast and fun challenge. Enjoy pool swims, scenic rural roads and spectator friendly one mile run lo..