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.
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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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?
In 2015, the 5K maintained the #1 position of all race distances with 7.6 million finishers (U.S.).
