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2,126 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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Phoenix, Arizona, United States
12DEC
21.1K
Run for Breast Cancer 5K/10K/13.1 PHOENIX
Phoenix, Arizona, United States
DEC
Sacramento, California, United States
12DEC
21.1K
Run for Breast Cancer 5K/10K/13.1 SACRAMENTO
Sacramento, California, United States
DEC
San Antonio, Texas, United States
12DEC
21.1K
Run for Breast Cancer 5K/10K/13.1 SAN ANTONIO
San Antonio, Texas, United States
DEC
San Diego, California, United States
12DEC
21.1K
Run for Breast Cancer 5K/10K/13.1 SAN DIEGO
San Diego, California, United States
DEC
San Francisco, California, United States
12DEC
21.1K
Run for Breast Cancer 5K/10K/13.1 SAN FRANCISCO
San Francisco, California, United States
DEC
Seattle, Washington, United States
12DEC
21.1K
Run for Breast Cancer 5K/10K/13.1 SEATTLE
Seattle, Washington, United States
DEC
Bradenton, Florida, United States
12DEC
21.1K
Run for Breast Cancer 5K/10K/13.1 TAMPA
Bradenton, Florida, United States
DEC
Saratoga, California, United States
12DEC
21.1K
Summit Rock 2026
Saratoga, California, United States
DEC
Atlanta, Georgia, United States
12DEC
42.2K
Sunrise Marathon 5K/10K/13.1 ATLANTA
Atlanta, Georgia, United States
DEC
Austin, Texas, United States
12DEC
42.2K
Sunrise Marathon 5K/10K/13.1 AUSTIN/ROUNDROCK
Austin, Texas, United States
DEC
Chicago, Illinois, United States
12DEC
42.2K
Sunrise Marathon 5K/10K/13.1 CHICAGO/EVANSTON
Chicago, Illinois, United States
DEC
Fort Worth, Texas, United States
12DEC
42.2K
Sunrise Marathon 5K/10K/13.1 DALLAS FORT WORTH
Fort Worth, Texas, United States
DEC
Centennial, Colorado, United States
12DEC
42.2K
Sunrise Marathon 5K/10K/13.1 DENVER/AURORA
Centennial, Colorado, United States
DEC
Houston, Texas, United States
12DEC
42.2K
Sunrise Marathon 5K/10K/13.1 HOUSTON
Houston, Texas, United States
DEC
Kansas City, Missouri, United States
12DEC
42.2K
Sunrise Marathon 5K/10K/13.1 KANSAS CITY
Kansas City, Missouri, United States
DEC
Las Vegas, Nevada, United States
12DEC
42.2K
Sunrise Marathon 5K/10K/13.1 LAS VEGAS
Las Vegas, Nevada, United States
DEC
Los Angeles, California, United States
12DEC
42.2K
Sunrise Marathon 5K/10K/13.1 LOS ANGELES
Los Angeles, California, United States
DEC
Memphis, Tennessee, United States
12DEC
42.2K
Sunrise Marathon 5K/10K/13.1 MEMPHIS
Memphis, Tennessee, United States
DEC
Key Biscayne, Florida, United States
12DEC
42.2K
Sunrise Marathon 5K/10K/13.1 MIAMI
Key Biscayne, Florida, United States
DEC
Camden, New Jersey, United States
12DEC
42.2K
Sunrise Marathon 5K/10K/13.1 NEW JERSEY
Camden, New Jersey, United States
DEC
New York City, New York, United States
12DEC
42.2K
Sunrise Marathon 5K/10K/13.1 NYC
New York City, New York, United States
DEC
Camden, New Jersey, United States
12DEC
42.2K
Sunrise Marathon 5K/10K/13.1 PHILADELPHIA
Camden, New Jersey, United States
DEC
Phoenix, Arizona, United States
12DEC
42.2K
Sunrise Marathon 5K/10K/13.1 PHOENIX
Phoenix, Arizona, United States
DEC
Sacramento, California, United States
12DEC
42.2K
Sunrise Marathon 5K/10K/13.1 SACRAMENTO
Sacramento, California, United States
DEC
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