United States
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Alabama9
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Alaska7
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Arizona10
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Arkansas2
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California38
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Colorado8
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Connecticut3
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Delaware3
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District of Columbia
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Florida46
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Georgia13
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Hawaii1
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Idaho9
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Illinois15
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Indiana21
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Iowa8
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Kansas5
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Kentucky9
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Louisiana3
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Maine7
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Maryland11
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Massachusetts17
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Michigan27
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Minnesota16
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Mississippi3
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Missouri14
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Montana3
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Nebraska3
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Nevada
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New Hampshire
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New Jersey23
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New Mexico3
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New York51
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North Carolina30
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North Dakota
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Ohio12
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Oklahoma6
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Oregon9
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Pennsylvania16
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Puerto Rico
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Rhode Island1
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South Carolina14
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South Dakota
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Tennessee22
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Texas44
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Utah15
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Vermont
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Virginia33
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Washington13
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West Virginia5
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Wisconsin24
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Wyoming2
Triathlon Calendar United States 2025-2026
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 2025-2026! Our updated list features 632 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 USAT sanctioned Medical Lake Triathlon on May 23, 2026, featuring Super Sprint and Sprint distances plus a Splash n Dash for ages 7 to 15. Enjoy a lake swim, flat bike and run courses, postrace food, custom shirt and finisher medal.
Challenge yourself at the Fox Island Sprint Triathlon May 23 2026 at Bowman Lake with a 500 yard swim, 12 mile bike and 3.1 mile run. Pick individual, relay, duathlon or aquabike and enjoy chip timing, shirts and finisher medals.
Take the plunge at the Frantic Frog Spring Sprint Triathlon and 5k at Goose Pond Colony Resort in Scottsboro on May 23, 2026. Tackle a 500 meter swim, 14 mile bike and 5K run on scenic lakefront routes and finish with a race shirt, swim cap and medal..
The Bear Lake Triathlon in North Muskegon on May 24, 2026 invites swimmers, cyclists, and runners to choose Sprint or Olympic distances, solo or relay. Expect a friendly lakeside course, custom shirts, finisher medals, and on course support.
Join Austin CapTex 2026 on May 25 for a scenic triathlon with a swim in Lady Bird Lake, a bike course by the Texas Capitol, and a run through Butler Park to the finish at Auditorium Shores. Distances include SuperSprint, Sprint and Olympic.
Join the South Fork Duathlon in Whitehouse, OH on May 27, 2026 at Cycle Werks for a run, bike, run on paved trail and flat country roads. Age group results and burgers after the race create a competitive yet community feel.
Push your limits at the Triangle Sprint & Mini Sprint on May 30, 2026 at Harris County Park in New Hill, NC. Choose a Sprint with individual, relay or aquabike options or tackle the Mini Sprint for a fast, fun race day.
OnondagaMan in Jamesville NY on May 30 2026 offers long and new intermediate triathlon and aquabike courses with swim bike and run and relay and paratriathlon entries. Expect aid stations, a beer garden, music and swag and only 300 spots.
Join the Lewisburg Sprint Triathlon on May 30 at Lewisburg Area Recreation Park. Swim 300 yards, bike 15 miles on rolling roads, then run a flat 5K; relay teams and a free beginner clinic make it perfect for newcomers and teams.
IRONMAN 70.3 Hawaii on the Kohala Coast offers a boutique field with Kona qualifying slots and race week activities run by the World Championship team. Swim warm ocean waters, bike through lava fields and run along a scenic tropical coastline in a fa..
Enjoy a multisport weekend at Silver Lake on May 30 to 31, 2026 with sprint and intermediate triathlon, duathlon, aquabike plus 5K and 10K races. Scenic lakeside views and a challenging intermediate bike course await.
Take on the Abington Triathlon in Abington PA on May 30, 2026. Options include a 300 m pool swim, 11.5 mile bike and 5K run or team triathlon, duathlon, 5K or aqua bike, with proceeds benefiting local youth and community groups.
Push your navigation skills and stamina at the Uwharrie Adventure Races in Morrow Mountain State Park. Solo racers and teams explore trails, streams and ridges by foot, bike and paddle in 5 hour or 12 hour formats.
Tri Greenville at Baldwin Lake on May 30, 2026 features a sprint triathlon, sprint duathlon, relay teams, a kids tri and the Dougling Dash. Enjoy elevated views of swim, transition and the finish from the Fred Meijer Flat River Trail.
Celebrate 30 years of multisport at the Jersey Genesis Triathlon, Duathlon & Aquabike in Port Republic NJ on May 30, 2026. Enjoy calm river swims, scenic country bike routes and a looped run with options for individual or relay teams.
Join the Rock Hall Triathlon in Rock Hall Maryland on May 30 and 31 2026, featuring Olympic and Sprint races and serving as the USA Triathlon Maryland State Championships. Bay swims, scenic rural bike routes and flat neighborhood runs await, plus med..
Jump into TriRidgefield, a lively sprint triathlon and duathlon on Great Pond in Ridgefield, Connecticut. Swim 0.5 mile, tackle a rolling 13 mile bike and finish with a 5K or start with a 2 mile run for the duathlon.
Join the Women's Whisper Triathlon at Eisenhower Park in East Meadow, NY on May 31, 2026 for a fun, supportive day of swim, bike and run racing. Events and a virtual option welcome all ages and abilities.
Jump from the General Jackson Showboat into the Cumberland River, then bike and run past Nissan Stadium in Nashville. Sprint, Olympic and relay entries make this May 31 triathlon ideal for racers of all levels.
Experience the unique challenge of OTILLO Swimrun on scenic Orcas Island, combining open water swims and trail runs around Eastsound on May 31, 2026. Team and solo entries include World Series distances eligible for ranking points.