Triathlon Calendar United States 2026-2027

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Explore the best triathlons in the United States for 2026-2027! Our updated list features 605 exciting races across the country. Find your next race in the United States below and join the running community at these great events!

October 2026
Multisport event at Lake Anna on October 10, 2026 featuring Olympic and Sprint triathlons, aquabike races, and 2 to 3 person relays with a warmer open water swim.
A sprint duathlon at Cedar Creek Park in Seaford, NY on October 10, 2026 with a 1.1 mile run, 11 mile bike in four loops, and a 1.1 mile run.
Orienteering-based paddle, bike and trek races in Jamestown VA with 15-hour and 5-hour formats, solo and team divisions, and checkpoint-style navigation.
A multisport event at TVA Melton Hill Dam on 10/10/2026 with Half Iron, Olympic and Sprint triathlons, a duathlon and relay options. Swim, bike and run courses circle the dam with on-site parking and campground nearby.
A run-bike-run duathlon at Redstone Arsenal where finish times are compared to the International Space Station's 91 minute 12 second orbit; individual and relay entries have specified registration windows and base access requirements.
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A USA Triathlon sanctioned sprint event in Oloh, Mississippi on October 10, 2026 offering swim, a 21.3 mile bike and a 3 mile run with divisions for beginners, duathlon and relays; helmets and photo ID are required.
An Olympic-distance multisport event in New Roads, LA featuring a 1.5K swim, 40K bike and 10K run with aquabike, duathlon and relay divisions, limited to 300 entries and finishing with awards and a finish fest.
A 24.1-mile adventure race on the Conemaugh River and West Penn Trail in Saltsburg, PA on October 10, 2026, with solo and relay categories, age and equipment rules, and paddle details subject to river conditions.
Full distance IRONMAN in Kailua-Kona on October 10, 2026, with a 2.4 mile swim, a 112 mile bike on Queen Kaahumanu Highway and a 26.2 mile run; entry by qualification.
Multidistance triathlon at Lake Mead featuring sprint, Olympic, long course, aquabike, duathlon and team relays with marked swim, hilly bike routes, and a trail run.
A Manhattan triathlon on October 10, 2026, with a Hudson River swim and a finish in Central Park. Formats include sprint, Olympic, aquabike options and relays; the event is USAT sanctioned and welcomes para-athletes.
A multi-option triathlon weekend on October 10, 2026 at Lake Norman State Park with sprint and Olympic swim bike and run events plus 5K and 10K runs.
A 14-mile adventure race in West Liberty, KY combining 7 miles biking, 4 miles paddling, and 3 miles running with solo and team relay options.
Community triathlon in Thibodaux on October 10, 2026 with a 200 yard swim, 10 mile bike, and 3 mile run; proceeds support THE HAVEN.
A multi-category duathlon at Noccalula Falls with individual and relay formats, a kids race, awards, and proceeds benefiting Friends of the Falls.
A sprint triathlon in Keller, Texas with a 300 meter pool swim and two bike options: a 10 mile two loop course or a 14.5 mile three loop course.
An all-women sprint triathlon at UNC Wellness Center Meadowmont featuring a 250-yard pool swim, a road bike loop through Meadowmont, and an out-and-back run. Relay, aquathlon, duathlon and virtual options are available.
A multi discipline event at Lake Tobesofkee in Macon GA offering Olympic and sprint triathlons, aquabike, duathlon and relays. The Olympic swim uses a time trial start and the 42K bike follows a hilly out and back route.
Game On Saint Augustine Triathlon in Vilano Beach features Olympic and Sprint triathlon, duathlon, aquabike and relay formats. Courses include an Atlantic Ocean swim, a bike route along A1A and a run via the Vilano Beach Nature Boardwalk.
Latitude-Fall Triathlon at Fort Travis Park offers sprint and Olympic triathlon, duathlon, aquabike, and relays with Gulf swims, bike laps on Highway 87, and neighborhood run courses, limited to 200 athletes and featuring an after party and spectator..
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