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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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Hollywood, Florida, United States
17OCT
21.1K
8th Annual - Hollywood Beach Half Marathon & 5k | ELITE EVENTS
Hollywood, Florida, United States
OCT
Washington, District of Columbia, United States
17OCT
42.2K
ACE Physical Therapy Potomac River Run Marathon & Half
Washington, District of Columbia, United States
OCT
Canoga Park, California, United States
17OCT
21.1K
Back to the Future: 88 MPH Dash 5K, 10K & Half
Canoga Park, California, United States
OCT
17OCT
42.2K
Baltimore Running Festival
Baltimore, Maryland, United States
BQ Qualifier
South Dakota, United States
17OCT
ULTRA
Brookings Marathon
South Dakota, United States
OCT
Greensboro, North Carolina, United States
17OCT
42.2K
Cannonball Marathon
Greensboro, North Carolina, United States
OCT
Chicago, Illinois, United States
17OCT
21.1K
Chicago Fall Classic Half Marathon, 10K & Hot Cider Hustle 5K
Chicago, Illinois, United States
OCT
Illinois, United States
17OCT
ULTRA
Country Sole Half Marathon
Illinois, United States
OCT
Los Angeles, California, United States
17OCT
21.1K
Dam Spooky 5k, 10k, 15k, Half Marathon
Los Angeles, California, United States
OCT
Houston, Texas, United States
17OCT
ULTRA
Day of the Dead Half Marathon - Houston
Houston, Texas, United States
OCT
Michigan, United States
17OCT
ULTRA
Detroit Marathon
Michigan, United States
OCT
Walnut Creek, California, United States
17OCT
21.1K
Diablo Summit Stomp 2026
Walnut Creek, California, United States
OCT
Flagstaff, Arizona, United States
17OCT
42.2K
Elden Ridge Run
Flagstaff, Arizona, United States
OCT
Galveston, Texas, United States
17OCT
ULTRA
Galveston Ultra Trail
Galveston, Texas, United States
OCT
Kansas City, Missouri, United States
17OCT
42.2K
Garmin Kansas City Marathon
Kansas City, Missouri, United States
BQ Qualifier
Black Mountain, North Carolina, United States
17OCT
21.1K
Geyser Growl Half Marathon, Presented by Hillman Beer
Black Mountain, North Carolina, United States
OCT
Lorton, Virginia, United States
17OCT
21.1K
Harvest Hills 5k, 10k, & Half
Lorton, Virginia, United States
OCT
Hollywood, Florida, United States
17OCT
21.1K
Haunted 5K & 10K at Hollywood, FL
Hollywood, Florida, United States
OCT
Raleigh, North Carolina, United States
17OCT
21.1K
Haunted 5K & 13.1M at Raleigh, NC
Raleigh, North Carolina, United States
OCT
Everett, Washington, United States
17OCT
21.1K
Haunted 5K, 10K & 13.1M at Everett, WA
Everett, Washington, United States
OCT
Ocala, Florida, United States
17OCT
21.1K
Haunted 5K, 10K & 13.1M at Ocala, FL
Ocala, Florida, United States
OCT
Williamsburg, Virginia, United States
17OCT
21.1K
Haunted 5K, 10K & 13.1M at Williamsburg, VA
Williamsburg, Virginia, United States
OCT
Wilmington, North Carolina, United States
17OCT
21.1K
Haunted 5K, 10K & 13.1M at Wilmington, NC
Wilmington, North Carolina, United States
OCT
Beavercreek, Ohio, United States
17OCT
21.1K
Haunted 5K, 10K, & 13.1M at Beavercreek, OH
Beavercreek, Ohio, United States
OCT
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