Which Arizona cities have the most Half Marathon races?
Phoenix (29), Tucson (9), Flagstaff (2), Glendale (2) lead the state for Half Marathon races. Those give you the most dates to choose from if your schedule is tight.
Arizona · Half Marathon
Half Marathon Races in Arizona
Every upcoming Half Marathon in Arizona, all 53 of them, sorted by date. Dates, entry fees, finish-time stats from past results, and start-line maps.
53 upcoming Half Marathon races · 9 with finish-time stats
By the numbers
The Biggest and Longest-Running
The Arizona races that stand out on the numbers: the biggest field, and the longest unbroken run of editions.
Half Marathon Races by City
Soonest Half Marathon Races in Arizona
53 total Fri, Jul 31, 2026High Mountain Half Marathon Decade Anniversary 2026 Lakeside, AZFrom $25Details Sat, Aug 8, 2026Big Brothers Big Sisters of Flagstaff Dave McKay Memorial Half Marathon and 5K Run/Walk Flagstaff, AZFrom $60Details Sat, Aug 15, 2026Run for PB& J 5K/10K/13.1 PHOENIX Phoenix, AZFrom $30Register Sat, Aug 15, 2026Bagel Run 5K/10K/13.1 PHOENIX Phoenix, AZFrom $30Register Sat, Aug 15, 2026Ninja 5K,10K & 13.1M at Tucson, AZ (33) Tucson, AZFrom $30Register Sat, Aug 29, 2026Sloth Run 5K/10K/13.1 PHOENIX Phoenix, AZFrom $30Register Sat, Aug 29, 2026Run for Breast Cancer 5K/10K/13.1 PHOENIX Phoenix, AZFrom $30Register Sat, Sep 12, 2026National Chocolate Day: Run for Chocolates 5K/10K/13.1 Phoenix, AZFrom $30Register Sat, Sep 12, 2026Run for Mental Health 5K/10K/13.1 PHOENIX Phoenix, AZFrom $30Register Sat, Sep 19, 202623rd Annual Groom Creek Classic: 1/2 Marathon, 10k, 5k Prescott, AZFrom $35Details Sat, Sep 19, 2026Medal Madness 5K,10K & 13.1M at Tucson, AZ (38) Tucson, AZFrom $30Register Sat, Sep 26, 2026Oktoberfest Run 5K/10K/13.1 PHOENIX Phoenix, AZFrom $30Register
How we calculate these stats: RunSesh calculates these figures from the most recent published results of past editions, sourced from RunSignup. We show aggregates only: field size, winning and median times, and the cutoff. We never publish individual finisher tables. Last updated Jul 27, 2026.
Common Questions About Running a Half Marathon in Arizona
When are most Half Marathon races held in Arizona?
October is the busiest month for Half Marathon races in Arizona, with 8 of the 53, followed by November with 8. If you are flexible on the date, that is the quickest way to narrow things down.
How much do Arizona Half Marathon races cost?
Entry fees for Half Marathon races here run from free to about $500, depending on the event and how early you register.
How early should I register for a Half Marathon in Arizona?
12 of the 53 Half Marathon races in Arizona already have a price increase scheduled, so entry gets more expensive the longer you leave it. Race pricing almost always steps up as the date approaches, and signing up early is usually the cheapest option.
Are Arizona Half Marathon races beginner-friendly?
Yes, for the most part. Across the 9 Half Marathon races in Arizona with published results, the typical median finish is around 2:13:41, which means half of every one of those fields came in slower than that. Recreational runners and walk-runners are the bulk of these fields, not the exception.
Are there trail Half Marathon races in Arizona?
Yes, 7 races around Arizona get you off the pavement: 5 are trail races, and 2 mix road and trail. Surfaces are not always published, so it is worth checking a specific race before you register.