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2,128 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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Bay Shore, New York, United States
18OCT
42.2K
Suffolk County Marathon
Bay Shore, New York, United States
OCT
Syracuse, New York, United States
18OCT
42.2K
The Great New York State Marathon
Syracuse, New York, United States
BQ Qualifier
Maine, United States
18OCT
ULTRA
The MDI
Maine, United States
OCT
Ridgefield, Connecticut, United States
18OCT
42.2K
The Ridgefield Road Fest 50th ANNIVERSARY: 1/2 Marathon, 7-Miler, & Iris Fund 5K
Ridgefield, Connecticut, United States
OCT
Tucson, Arizona, United States
18OCT
21.1K
TMC A-Mountain Half Marathon + Cigna Healthcare 4-Miler + Family Mile
Tucson, Arizona, United States
OCT
Louisiana, United States
18OCT
ULTRA
Ultramarathon de la Nouvelle Orléans
Louisiana, United States
OCT
18OCT
42.2K
University of Michigan Health-West Grand Rapids Marathon
Grand Rapids, Michigan, United States
BQ Qualifier
Huntsville, Alabama, United States
18OCT
42.2K
Wade Mountain Marathon
Huntsville, Alabama, United States
OCT
Huntington Beach, California, United States
18OCT
ULTRA
Witches Wave - Halloween Run 5K, 10K, and Half Marathon by Califlow Runs
Huntington Beach, California, United States
OCT
Atlantic City, New Jersey, United States
19OCT
42.2K
Running for Children's Rights to Both Parents - 10 of 50 Half Marathons in 50 States - New Jersey
Atlantic City, New Jersey, United States
OCT
Columbus, Ohio, United States
22OCT
42.2K
The Haunted Hustle: Virtual and 5K - 10K - 13.1 - 26.2
Columbus, Ohio, United States
OCT
Kissimmee, Florida, United States
23OCT
21.1K
TECH CORPS Group Registration (Disney Wine & Dine Half Marathon Weekend 2026)
Kissimmee, Florida, United States
OCT
Miami Beach, Florida, United States
24OCT
21.1K
Miami Beach Halloween Half Marathon & Freaky 4-Miler
Miami Beach, Florida, United States
OCT
Sisters, Oregon, United States
24OCT
21.1K
Happy Girls Sisters
Sisters, Oregon, United States
OCT
Saint Helena, California, United States
24OCT
42.2K
Napa Fall Wine Country Marathon, Half Marathon, 10K, & 5K
Saint Helena, California, United States
OCT
Lewes, Delaware, United States
24OCT
ULTRA
6TH Seawitch 1/2 Marathon Classic (Seawitch Racing Festival Weekend)
Lewes, Delaware, United States
OCT
Pilot Hill, California, United States
24OCT
21.1K
Acorn Creek Trail Run
Pilot Hill, California, United States
OCT
Aiken, South Carolina, United States
24OCT
42.2K
Aiken Trailblazer Halloween Marathon, Half Marathon - 10K - 5K - Kids Fun Run at Stable View
Aiken, South Carolina, United States
OCT
Apex, North Carolina, United States
24OCT
21.1K
Apex Half Marathon
Apex, North Carolina, United States
OCT
Franconia, New Hampshire, United States
24OCT
42.2K
ASP's Franconia Notch Half Marathon
Franconia, New Hampshire, United States
OCT
Cape May, New Jersey, United States
24OCT
42.2K
Cape May Hallowed Half Marathon
Cape May, New Jersey, United States
OCT
Ocala, Florida, United States
24OCT
42.2K
Cauldron Marathon
Ocala, Florida, United States
OCT
Richland, Washington, United States
24OCT
42.2K
Chamna Chase
Richland, Washington, United States
OCT
Brecksville, Ohio, United States
24OCT
21.1K
Chippewa Creek Challenge
Brecksville, Ohio, United States
OCT
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