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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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Windsor, Colorado, United States
04OCT
42.2K
Windsor Marathon, Half Marathon, 10k, 5k & 1 Mile Run
Windsor, Colorado, United States
OCT
Ann Arbor, Michigan, United States
05OCT
42.2K
Ann Arbor Marathon
Ann Arbor, Michigan, United States
OCT
Norwalk, Connecticut, United States
06OCT
21.1K
Sono Half + 5K with myTEAM TRIUMPH
Norwalk, Connecticut, United States
OCT
Syracuse, Utah, United States
09OCT
42.2K
Antelope Island Marathon - 26.2 - 13.1 - 10K - 5K
Syracuse, Utah, United States
OCT
Cordova, Tennessee, United States
09OCT
21.1K
Go Girl Run | Memphis, TN
Cordova, Tennessee, United States
OCT
California, United States
09OCT
ULTRA
Kodiak Ultra Marathons by UTMB®
California, United States
OCT
Eureka Springs, Arkansas, United States
09OCT
ULTRA
Outback in the Ozarks 205 Mile Relay
Eureka Springs, Arkansas, United States
OCT
California, United States
10OCT
42.2K
2XU Long Beach Marathon & Half Marathon
California, United States
OCT
Cincinnati, Ohio, United States
10OCT
21.1K
Queen Bee Half Marathon
Cincinnati, Ohio, United States
OCT
Victoria, Texas, United States
10OCT
21.1K
2026Citizens Run Against Cancer Half Marathon & 5K
Victoria, Texas, United States
OCT
Prescott, Arizona, United States
10OCT
42.2K
48th Annual Whiskey Row Marathon
Prescott, Arizona, United States
OCT
Hartford, Connecticut, United States
10OCT
42.2K
Amica Hartford Marathon Connecticut
Hartford, Connecticut, United States
BQ Qualifier
Booneville, Arkansas, United States
10OCT
42.2K
Arkansas Marathon
Booneville, Arkansas, United States
OCT
Bastrop, Texas, United States
10OCT
ULTRA
Autumn Harvest Trail Run | Bastrop Last Standing • 50K • 20-Miler • 10-Miler • 5-Miler • Full • Half • 10K • 5K
Bastrop, Texas, United States
OCT
Atlanta, Georgia, United States
10OCT
21.1K
Bagel Run 5K/10K/13.1 ATLANTA
Atlanta, Georgia, United States
OCT
Chicago, Illinois, United States
10OCT
21.1K
Bagel Run 5K/10K/13.1 CHICAGO/EVANSTON
Chicago, Illinois, United States
OCT
Centennial, Colorado, United States
10OCT
21.1K
Bagel Run 5K/10K/13.1 DENVER/AURORA
Centennial, Colorado, United States
OCT
Houston, Texas, United States
10OCT
21.1K
Bagel Run 5K/10K/13.1 HOUSTON
Houston, Texas, United States
OCT
Kansas City, Missouri, United States
10OCT
21.1K
Bagel Run 5K/10K/13.1 KANSAS CITY
Kansas City, Missouri, United States
OCT
Las Vegas, Nevada, United States
10OCT
21.1K
Bagel Run 5K/10K/13.1 LAS VEGAS
Las Vegas, Nevada, United States
OCT
Los Angeles, California, United States
10OCT
21.1K
Bagel Run 5K/10K/13.1 LOS ANGELES
Los Angeles, California, United States
OCT
Memphis, Tennessee, United States
10OCT
21.1K
Bagel Run 5K/10K/13.1 MEMPHIS
Memphis, Tennessee, United States
OCT
Key Biscayne, Florida, United States
10OCT
21.1K
Bagel Run 5K/10K/13.1 MIAMI
Key Biscayne, Florida, United States
OCT
Camden, New Jersey, United States
10OCT
21.1K
Bagel Run 5K/10K/13.1 NEW JERSEY
Camden, New Jersey, United States
OCT
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