Triathlon Calendar United States 2025-2026

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Explore the best triathlons in the United States for 2025-2026! Our updated list features 464 exciting races across the country. Find your next race in the United States below and join the running community at these great events!

April 2026
Apr
18
Saturday

Flora-Bama's Mullet Man Triathlon

Triathlon
Flora-Bama's Mullet Man Triathlon, held in Pensacola, FL, features a challenging yet scenic course with a 1/4 mile swim in the Ole River, a 16.5 mile bike ride through Alabama and Florida along Perdid..
Apr
24-26
Fr - Su

St. Anthony's Triathlon

Triathlon
St. Anthony's Triathlon, held in St. Petersburg, Florida, is a premier destination race featuring Olympic, Sprint, and Beginner's distances. The event takes place along the scenic St. Petersburg water..
May 2026
May
17
Sunday

BoFish Triathlon

Triathlon
The BoFish Triathlon, held annually in Trumbull, Connecticut, is a popular multisport event attracting athletes of various levels. The 7th edition, scheduled for May 17, 2026, offers a competitive and..
May
17
Sunday

Mack Cycle 305 Triathlon

Triathlon
The Mack Cycle 305 Triathlon, held annually on Key Biscayne in Miami, is South Florida’s largest triathlon event featuring Sprint, Intermediate, and Olympic distances. The swim takes place in a calm s..
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