There are 57 half marathons in Arizona scheduled for 2026. The next is the Halloween Trick or Trot Run 5K/10K/13.1 PHOENIX in Phoenix on October 31. Arizona half marathons run primarily October through September.

Coffee Lover Run PHOENIX

Sat, Jan 30 · Phoenix, AZ Phoenix
Family Fun Run 1 Mile5K/10K/13.1 Eco-Registration (No Shirt)Virtual Run Registration (5K/10K/13.1) +3

Havasu Half Marathon & 5K

Fri, Mar 5 · Lake Havasu City, AZ Lake Havasu City
Doggie Dash 3K Presented By Thompson Family PlumbingDoggie Dash 3K Presented By Thompson Family Plumbing5K +11