Half-Marathon races in United States — 2026 running calendar

May

23

Memorial Day Run 5K/10K/13.1 SAN FRANCISCO

San Mateo, California, United States

Running

5K 10K Half-Marathon 1.6K +2

May

23

Memorial Day Run 5K/10K/13.1 SEATTLE

Seattle, Washington, United States

Running

5K 10K Half-Marathon 1.6K +2

May

22

Top of Michigan Festival of Races

Petoskey, Michigan, United States

Running

Half-Marathon 10K 5K

May

22

Bayshore Marathon, Half Marathon, 10K, & Kids Fun Run

Traverse City, Michigan, United States

Running

5K Marathon Half-Marathon 10K +1

May

17

Saginaw-Run Michigan Cheap

Saginaw, Michigan, United States

Running Walking

Half-Marathon 10K 5K

May

17

The Jersey City Spring Half Marathon, 10K, 5K

Jersey City, New Jersey, United States

Running

Half-Marathon 10K 5K

May

17

Armed Services Marathon, Half Marathon & 5K

Grand Haven, Michigan, United States

Running

Marathon Half-Marathon 10K 5K

May

17

CR Half: Volunteer Registration

Cambridge, Massachusetts, United States

Running

Half-Marathon

May

17

Running through the Decades Half Marathon - Oklahoma City

Oklahoma City, Oklahoma, United States

Running

1.6K 5K 10.5K Half-Marathon +2

May

17

Hometown Half Marathon & 5k/10k - Fort Worth

Fort Worth, Texas, United States

Running

1.6K 5K 10K Half-Marathon +1

May

17

Girls on the Run Rockies Colfax SoleMates 2026

Denver, Colorado, United States

Running

Marathon Half-Marathon

May

17

Hometown Half Marathon & 5k/10k - Louisville

Louisville, Kentucky, United States

Running

1.6K 5K 10K Half-Marathon +1