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2,130 marathons found for Half marathon, United States. Keep the list broad first, then tighten the filters when a race looks realistic.
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Northeast, Connecticut, United States
17OCT
ULTRA
Tackle the Trail (TM)
Northeast, Connecticut, United States
OCT
Indiana, United States
17OCT
ULTRA
Tecumseh Trail Challenge
Indiana, United States
OCT
PADUCAH, Kentucky, United States
17OCT
42.2K
The American Bluegrass Classic
PADUCAH, Kentucky, United States
OCT
Julian, California, United States
17OCT
ULTRA
The Peak 50K, Marathon & Half Marathon
Julian, California, United States
OCT
Tulsa, Oklahoma, United States
17OCT
ULTRA
Tulsa River Run
Tulsa, Oklahoma, United States
OCT
Las Vegas, Nevada, United States
17OCT
42.2K
Twilight Red Rock 1/2 Marathon, 10K, and 5K
Las Vegas, Nevada, United States
OCT
Louisville, Kentucky, United States
17OCT
21.1K
Urban Bourbon Half Marathon and 5K
Louisville, Kentucky, United States
OCT
Stowe, Vermont, United States
17OCT
42.2K
von Trapp Mountain Marathon
Stowe, Vermont, United States
OCT
Carmel, Indiana, United States
17OCT
42.2K
Women's Running Festival featuring a Half Marathon, 10K, & 5K
Carmel, Indiana, United States
OCT
San Luis Obispo, California, United States
18OCT
21.1K
City to the Sea Half Marathon & 5K
San Luis Obispo, California, United States
OCT
Half Moon Bay, California, United States
18OCT
21.1K
48th Annual Pumpkin Run by Senior Coastsiders October 18, 2026
Half Moon Bay, California, United States
OCT
Atlantic City, New Jersey, United States
18OCT
42.2K
AmeriHealth Atlantic City Marathon
Atlantic City, New Jersey, United States
BQ Qualifier
Gloucester, Massachusetts, United States
18OCT
21.1K
Around Cape Ann Half Marathon
Gloucester, Massachusetts, United States
OCT
Lowell, Massachusetts, United States
18OCT
42.2K
Baystate Marathon
Lowell, Massachusetts, United States
BQ Qualifier
Tuxedo, New York, United States
18OCT
21.1K
Big Bear SquaTCh South
Tuxedo, New York, United States
OCT
Hancock, Maryland, United States
18OCT
42.2K
Buzz Sawyer Western Maryland Marathon/Half Marathon/10k
Hancock, Maryland, United States
OCT
Bald Head Island, North Carolina, United States
18OCT
ULTRA
Cape Fear Marathon & Half, presented by Mount to Coast and hosted by Badwater®
Bald Head Island, North Carolina, United States
OCT
New Hampshire, United States
18OCT
ULTRA
CHaD Half Marathon
New Hampshire, United States
OCT
South Hero, Vermont, United States
18OCT
42.2K
Champlain Islands Marathon & Half Marathon
South Hero, Vermont, United States
OCT
Charlottesville, Virginia, United States
18OCT
21.1K
Charlottesville Fall Classic Half Marathon & 10K 2026
Charlottesville, Virginia, United States
OCT
Fort Worth, Texas, United States
18OCT
ULTRA
Day of the Dead Half Marathon - Fort Worth
Fort Worth, Texas, United States
OCT
New Hampshire, United States
18OCT
ULTRA
Delta Dental New England Half Marathon
New Hampshire, United States
OCT
Denver, Colorado, United States
18OCT
42.2K
Denver Marathon
Denver, Colorado, United States
BQ Qualifier
Detroit, Michigan, United States
18OCT
42.2K
Detroit Free Press Marathon
Detroit, Michigan, United States
BQ Qualifier
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