If you are looking for races in Flagstaff, Arizona, you have come to the right place. Flagstaff has a growing running scene with 16 races listed in our directory, including 4 upcoming events in 2026. Whether you are lacing up for your first 5K or chasing a new personal record, there is something here for every runner.
Upcoming Races in Flagstaff, Arizona
Here is a look at the top upcoming races in Flagstaff this year. We update our listings weekly so you always have the most current information.
BearJaw Groove
Date: September 12, 2026
Get ready to tackle a fun 6-hour mountain bike relay adventure in Flagstaff, AZ, where you and your team will cruise a 10.5-mile loop that starts with a fire road warm-up before diving into the smooth, flowing AZT and Rocky Moto single-tracks with some roots and rocks to keep… Read full details →
Healthy Kids Running Series Fall 2026 – Flagstaff, AZ
Date: September 13, 2026
Join this exciting five-week spring running program in Flagstaff designed for Pre-K through 8th graders, where young runners tackle age-suitable distances ranging from 50-yard sprints to mile-long courses each week while earning points toward their finish position rankings. Read full details →
Climb To End Cancer of Flagstaff
Date: September 19, 2026
Get ready to make a real difference while exploring the beautiful trails of Flagstaffthis volunteer-powered event brings the community together to fight cancer and support those affected by it. Read full details →
Flagstaff Marathon Presented by Cambium Wealth and Legacy Strategies
Date: October 3, 2026
Distance: Marathon
Get ready to experience Arizona’s coolest running adventure! Organized by the Coconino Community College Foundation and Sundog Running, this off-road event takes place in the beautiful Coconino National Forest among towering pines and aspens at over 8,000 feet elevation,… Read full details →
Why Run in Flagstaff?
Running events in Flagstaff offer a mix of community fun runs, charity 5Ks, and competitive road races throughout the year. The local running community is active and welcoming to runners of all levels — from first-timers to seasoned racers. Many of these events benefit local charities and organizations, making race day about more than just your finish time.
Find More Races in Arizona
Flagstaff is just one part of a thriving Arizona running scene. If you want to explore more events across the state, check out our full race listings for Arizona — we track every upcoming running event from 1 mile fun runs to full marathons.
Get Ready to Race
Found a race you want to run? The next step is making sure you are properly trained for it. Whether you are a first-timer aiming to finish or a veteran chasing a PR, having the right training plan makes all the difference.
Take our free 3-question training plan quiz and get matched to the right plan for your fitness level in under a minute. We will send it straight to your inbox so you can start training today.
Good luck out there — see you at the finish line in Flagstaff!
