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Races in Flagstaff, AZ

Running races in or near Flagstaff, AZ

Marathons, 1-milers, 5Ks, half-marathons, 10Ks & more

See below for a frequently-updated, comprehensive list of upcoming running events in the local Flagstaff, AZ area. Races listed here include both walking and running events of various distances — from 1-milers, to 5Ks, to marathons, and everything else in between.

Lock Laces

10K - Individual Age group/open

Organization: Mainly Marathons

Date of Race: 11-12-2025

Description: World's Best Running Series! No Time Limits Great Food Award-Winning Medals ...

Half Marathon - Individual Age group/open

Organization: Mainly Marathons

Date of Race: 11-12-2025

Description: World's Best Running Series! No Time Limits Great Food Award-Winning Medals ...

50K - Individual Age group/open

Organization: Mainly Marathons

Date of Race: 11-12-2025

Description: World's Best Running Series! No Time Limits Great Food Award-Winning Medals ...

Marathon - Individual Age group/open

Organization: Mainly Marathons

Date of Race: 11-12-2025

Description: World's Best Running Series! No Time Limits Great Food Award-Winning Medals ...

2025 Southwest Series - Day 4 (AZ)

Organization: Mainly Marathons

Date of Race: 11-12-2025

Description: World's Best Running Series! No Time Limits Great Food Award-Winning Medals ...

5K - Individual Age group/open

Organization: Mainly Marathons

Date of Race: 11-12-2025

Description: World's Best Running Series! No Time Limits Great Food Award-Winning Medals ...

Mountain Man July Triathlons 2025

Organization: Mountain Man Events

Date of Race: 07-13-2025

Description: Mountain Man is a family-run grassroots event. It is hard to ...

Saucony

Complete list of running events in and near Flagstaff, AZ: Marathons, 1-milers, 5Ks, half-marathons, 10Ks, obstacle courses, walking events & more.


More information about Flagstaff

About Flagstaff

Flagstaff (AZ) is a city in Coconino County with an estimated population of 65,870.[4]

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Did you know?

The number of U.S. marathon finishers declined from 2014 to 2015 approximately 8 percent.

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