United States

Triathlon Calendar United States 2025-2026

Name: Nat Greene's Revenge Triathlon
Start: 2025-10-04
End: 2025-10-04
Location: Greensboro

Explore the best triathlons in the United States for 2025-2026! Our updated list features 73 exciting races across the country. Find your next race in the United States below and join the running community at these great events!

Triathlon Calendar United States 2025-2026

Nat Greene's Revenge Triathlon

Sandling Beach Triathlon Festival

Baltimore Triathlon Festival

Pleasants Landing Triathlon

Dam Triathlon

Cedar Creek Fall Duathlon

The Great River Challenge

Buff Betty Adventure Race

Central Park Duathlon

Virginia ANVIL Ultra Triathlon

Cal Tri Charlotte

Atomic Man Half Iron Triathlon

The 743

Pinnacle Peak Duathlon

Conquer the Mountain - Basye, VA

Fall Foliage Adventure Race

Brewathlon

Mohawk Towpath Byway Duathlon

Ironman 70.3 North Carolina

USPC Draft Legal Triathlon Festival