United States

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 35 exciting races across the country. Find your next race in the United States below and join the running community at these great events!

November 2025

James River Rush

Richmond, Virginia

Triathlon

April 2026

Cal Tri Culpeper

Culpeper, Virginia

Triathlon

May 2026

Xterra New Jersey

Vernon Township, New Jersey

Trail Run Triathlon 5 km 10 km ... 39 km 42 km

BoFish Triathlon

Trumbull, Connecticut

Triathlon

Cal Tri Richmond

Spotsylvania Courthouse, Virginia

Triathlon

June 2026

Escape the Cape Triathlon

Lower Township, New Jersey

Triathlon

Ironman 70.3 Western Massachusetts

Springfield, Massachusetts

Triathlon

Cal Tri DC

Marbury, Maryland

Triathlon

Ironman 70.3 Eagleman

Cambridge, Maryland

Triathlon

July 2026

Litchfield Hills Triathlon

New Hartford, Connecticut

Triathlon

Scenic Mountain Triathlon

Richwood, West Virginia

Triathlon

Challenge New Jersey State

West Windsor Township, New Jersey

Triathlon

August 2026

Greenfield Triathlon

Greenfield, Massachusetts

Triathlon

Atlantic City Triathlon

Atlantic City, New Jersey

Triathlon

December 2050

Arsenal Triathlon

Stafford, Virginia

Triathlon

Distance (km)

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