When in May are most half marathons held?
The busiest weekend in Arizona is May 1 and May 2, with 3 of them, 2 of those on Saturday, May 1. Every one of them is on a Saturday or a Sunday.
Race calendar · May 2027 · Arizona
Half Marathons in Arizona in May 2027
Every Half Marathon in Arizona in May 2027, all 5 of them, sorted by date. Dates, entry fees, finish-time stats from past results, and start-line maps.
When in May
The May Race Weekends
Half marathons are not spread evenly across May. Here is how the calendar actually falls, weekend by weekend, which is the part worth knowing before you book a trip or plan a taper around one.
By the numbers
The Biggest Field
The largest field of any May Half Marathon in Arizona, from the most recent published results.
Arizona Half Marathons by City in May
All Half Marathons in Arizona in May
5 total Sat, May 1, 2027Super Mom 5K/10K/Half Marathon - Phoenix Phoenix, AZFrom $45Details Sat, May 1, 2027Luau 5K, 10K & 13.1M at Phoenix, AZ (18) Phoenix, AZFrom $65Details Sun, May 2, 2027Super Mom 5K/10K/Half Marathon - Tucson Tucson, AZRegistration opens Jan 8, 2027From $55Details Sat, May 8, 2027Run for Chocolate 5k/10k/13.1 PHOENIX Phoenix, AZFrom $45Register Sat, May 29, 2027SuperHeroes Run PHOENIX Phoenix, AZFrom $45Register