Marathon Races in Colorado, Connecticut, Delaware & Florida

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Each state section will first list marathon races and then will list other marathons, half marathons, 10K's and 5K's that you can sign up for on the site. 

Races in Colorado

Races in Connecticut

Races in Delaware

Races in Florida

Marathon Races in Colorado


Salida, CO Run Through Time Marathon & Half Marathon

Lamar, CO – Dust Bowl Marathon Series

Fort Collins, CO – Colorado Marathon

Palisade, CO – Grand Valley Marathon

Denver, CO Kaiser Permanente Colfax Marathon & Half Marathon

Salida, CO – Arkansas River Bluegrass Marathon & Half Marathon

Lake City, CO – Mountaineer Marathon

Steamboat Springs, CO – Steamboat Marathon

Estes Park, CO - Estes Park Marathon

Aspen, CO – Aspen Valley Marathon

Silverton, CO - Kendall Mountain Run

Silverton, CO – Silverton Alpine Marathon

Longmont, CO – 9/11 American Heroes Run

Buena Vista, CO – Autumn Color Run

Denver, CO Sports Authority Rock’n’Roll Denver Marathon & Half Marathon

Durango, CO – Animas Surgical Hospital Durango Double

Boulder, CO – Boulder Marathon and Half Marathon

Grand Junction, CO – Rim Rock Marathon

Other Marathons, Half Marathons, 10K's, and 5K's in Colorado


Marathons Connecticut

Ashford, CT – NipMuck Trail Marathon

Hartford, CT – ING Hartford Marathon & Half Marathon

Roxbury, CT – Roxbury Marathon

Other Marathons, Half Marathons, 10K's, and 5K's in Connecticut


Marathon Races in Delaware

Newark, DE – Trail Triple Crown Marathon

Wilmington,DE – Christiana Care Delaware Marathon Running Festival

Newark, DE – Stumpy’s Marathon

Dover, DE – Monster “Mash” Marathon

Rehoboth, DE – Rehoboth Beach Seashore Marathon & Half Marathon

Other Marathons, Half Marathons, 10K's, and 5K's in Delaware


Marathon Races in Florida

Florida Lake Buena Vista, FL – Walt Disney World Marathon

Clearwater, FL – Clearwater Halfathon

Ocala, FL – Ocala Marathon & Half Marathon

Miami, FL – ING Miami Marathon & Half Marathon

Melbourne, FL – Melbourne Music Marathon & Half Marathon

Tallahassee, FL – Tallahassee Marathon & Half Marathon

Jacksonville Beach, FL – 26.2 with Donna The National Marathon to Finish Breast Cancer

Gainesville, FL – Five Points of Life Marathon & Half Marathon

Ft. Lauderdale, FL – Publix Ft. Lauderdale A1A Marathon& Half Marathon

Apalachicola, FL – Running for the Bay! Marathon

Pensacola, FL – Pensacola Marathon

Lithia, Fl – X-Country Marathon & Half Marathon

Cocoa, FL – Space Coast Marathon & Half Marathon

West Palm Beach, FL – Palm Beaches Marathon Festival

Cape Coral, FL – Mangrove Marathon & Half Marathon

Jacksonville, FL – Jacksonville Bank Marathon & Half Marathon

Other Marathons, Half Marathons, 10K's and 5k's in Florida

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