Half-Marathon races in United States — 2026 running calendar

Aug

29

SPASM Crystal Springs Trail Run

Woodside, California, United States

Trail running Running

10K Half-Marathon 35.4K Marathon +2

Aug

29

Medal Madness 5K, 10K, & 13.1M at Marianna, FL (35)

Marianna, Florida, United States

Running

5K 10K Half-Marathon

Aug

29

Run to Breast Cancer 5K/10K/13.1 CHICAGO/EVANSTON

Chicago, Illinois, United States

Running

5K 10K Half-Marathon 1.6K +2

Aug

29

Run to Breast Cancer 5K/10K/13.1 DALLAS FORT WORTH

Fort Worth, Texas, United States

Running

5K 10K Half-Marathon 1.6K +2

Aug

29

Run to Breast Cancer 5K/10K/13.1 DENVER/AURORA

Centennial, Colorado, United States

Running

5K 10K Half-Marathon 1.6K +2

Aug

29

Run to Breast Cancer 5K/10K/13.1 MIAMI

Key Biscayne, Florida, United States

Running

5K 10K Half-Marathon 1.6K +2

Aug

29

Medal Madness 5K, 10K, & 13.1M at Madisonville, KY (35)

Madisonville, Kentucky, United States

Running

5K 10K Half-Marathon

Aug

29

Run to Breast Cancer 5K/10K/13.1 HOUSTON

Houston, Texas, United States

Running

5K 10K Half-Marathon 1.6K +2

Aug

29

Ashland Half Marathon & 5k

Ashland, Virginia, United States

Running

Half-Marathon 5K

Aug

29

Medal Madness 5K, 10K, & 13.1M at Katy, TX (35)

Katy, Texas, United States

Running

5K 10K Half-Marathon

Aug

29

Run to Breast Cancer 5K/10K/13.1 KANSAS CITY

Kansas City, Missouri, United States

Running

5K 10K Half-Marathon 1.6K +2

Aug

29

Run to Breast Cancer 5K/10K/13.1 LAS VEGAS

Las Vegas, Nevada, United States

Running

5K 10K Half-Marathon 1.6K +2