Triathlon Calendar United States 2026-2027

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Monthly updates for United States

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Explore the best triathlons in the United States for 2026-2027! Our updated list features 896 exciting races across the country. Find your next race in the United States below and join the running community at these great events!

August 2026
An adventure triathlon at Barkcamp State Park with kayak or swim starts, an off road bike leg and a 5K trail run; proceeds support the Underground Railroad Museum in Flushing, Ohio.
A family-focused recreation and wellness day at Isothermal Community College in Spindale, NC. Includes Super Sprint triathlon formats with an indoor pool swim, a campus 5K, youth activities, vendors and community groups.
A USAT sanctioned multisport event in Saint Peters on August 23, 2026 offering distances from a 300 meter super sprint to a half distance, plus duathlon, aquabike, aquathlon and a 5K run.
A pool sprint triathlon at the Rockville Center offering sprint, beginner and youth Splash and Dash races plus duathlon and aquabike options, with seeded starts and proceeds supporting Live Red Foundation youth fitness programs.
A sprint triathlon at Belleville Community Park on August 23, 2026, with individual, relay and series entries. Distances include a 400 m swim, a 16 mile bike and a 5 km run.
A community triathlon in North East, Maryland offering Olympic and Sprint distances with swims in the Chesapeake Bay, bike routes through Elk Neck State Forest, and out and back road runs along Route 272.
Test your limits at a unique triathlon featuring a lazy river swim and a 40 yard dash. Choose between the sprint triathlon or the 5K run and represent your favorite college in this festive multi sport event.
A multisport event in Medford Lakes on August 23, 2026 offering sprint triathlon, duathlon, aquabike, and relay options with a lake swim, two-loop bike course, online registration, and USAT membership requirements.
Millerton Madness Triathlon at Meadow Campground in Friant on 08/23/2026 combines a USAT sanctioned Super Sprint triathlon, a 5k road run, relay teams, and virtual triathlon and run options.
Experience one of Santa Cruz County's oldest triathlons at Seacliff State Beach. This USAT sanctioned event features a unique swim around a historic cement ship and supports local lifeguard and youth water safety programs.
A Central Park duathlon on August 23 featuring two 2.2 mile runs and a 12 mile bike over two loops of the Park Drive, with an individual race and a team relay for two to three athletes.
A riverfront triathlon with a 2.5 mile paddle segment, a 3.1 mile run and a 10 mile bike. Solo or 2-person team options with team canoe equipment included.
Race 2 of the Lake Nona Tri Series on August 23, 2026 offers sprint triathlon, duathlon, aquabike, and relay options around Nona Adventure Park and Boxi Park, with post-race festivities, participant shirt and medal, and age-group awards.
The Boston Triathlon on August 23, 2026 at DCR Carson Beach features sprint and Olympic triathlon distances, aquabike and team relay options along a course of beaches, paths and closed roads in Boston.
A sprint triathlon at Pemaquid Beach Park in Bristol Maine featuring a 400 yard swim, 17.4 mile bike and 3.1 mile run. The event supports Bristol Parks and Recreation and allows relay teams of up to three people.
Mojo Triathlon at VOA Park on August 23, 2026 offers sprint and Olympic triathlon, duathlon, aqua bike and relay events with para divisions. The swim is in the VOA lake and the bike course includes rolling hills.
A multi-discipline race day on Santa Barbara waterfront with triathlon distances, aquabike, duathlon, a 5K beach run and ocean swims. Courses pass views of the Channel Islands and the Santa Ynez Mountains; the beachfront finish includes music and ref..
A reverse-order sprint triathlon in Anthem, AZ featuring a 5 km run, 20 km bike with separated lanes, and a pool swim finish, plus timing chips, racer hoodies, medals, and age-group and category awards.
A USA Triathlon sanctioned sprint and Olympic triathlon in Clear Lake Iowa featuring a City Beach swim, flat bike along South Shore Drive and a lakeside run finishing in City Park. A youth Splash and Dash for ages 7 to 15 is included.
A duathlon at Watkins Glen International on 08/29/2026 with Formula 1 (run, bike, run, bike, run), Classic (run, bike, run) and a two-person F1 Relay on the race track, using Pit Row for transitions and including Porsche event access.
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