Running races in or near Fairfax, VA
Marathons, 1-milers, 5Ks, half-marathons, 10Ks & more
See below for a frequently-updated, comprehensive list of upcoming running events in the local Fairfax, VA 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.
Running-5K - Running-5K
Organization: Fill the Shoes
Date of Race: 11-07-2026
Description: Fill the Shoes is proud to present the 14th annual "Fill ...
View Race Details View on Map
Running-5K - Adult (Age 21 & Over)
Organization: Town of Herndon Parks and Recreation
Date of Race: 11-21-2026
Description: Herndon Parks and Recreation is hosting the annual Turkey Trot 5K ...
View Race Details View on Map
Running-5K - Youth (Age 20 & Under)
Organization: Town of Herndon Parks and Recreation
Date of Race: 11-21-2026
Description: Herndon Parks and Recreation is hosting the annual Turkey Trot 5K ...
View Race Details View on Map
Non-members - Non-Members - 5K at 8:00 AM, ...
Organization: Potomac Valley Track Club
Date of Race: 11-21-2026
Description: Race-day: Saturday, November 20
View Race Details View on Map
STROLLER WARRIORS 8k - Stroller Warriors 8k - ...
Organization: 10xEM LLC
Date of Race: 05-02-2027
Description: The 8th Annual National Women's Half Marathon 8K ...
View Race Details View on Map
Marathon @ 7:30 AM - Participants
Organization: Marathon Charity Cooperation
Date of Race: 05-01-2027
Description: The 24th Potomac River Run Marathon Half, will be held ...
View Race Details View on Map
Speed & Agility Clinic - Winter 2026 ...
Organization: GAITHERSBURG PARKS & RECREATION DEPT
Date of Race: 01-04-2027
Description: DescriptionGet ready to move, sprint, cut, and level up your athletic ...
View Race Details View on Map
Speed & Agility Clinic - Winter 2026 ...
Organization: GAITHERSBURG PARKS & RECREATION DEPT
Date of Race: 01-04-2027
Description: DescriptionGet ready to move, sprint, cut, and level up your athletic ...
View Race Details View on Map
Speed & Agility Clinic - Winter 2026 ...
Organization: GAITHERSBURG PARKS & RECREATION DEPT
Date of Race: 01-04-2027
Description: DescriptionGet ready to move, sprint, cut, and level up your athletic ...
View Race Details View on Map
Non-members - Non-Members - 5K at 8:00 AM, ...
Organization: Potomac Valley Track Club
Date of Race: 12-19-2026
Description: On-line registration closes on Wednesday, ...
View Race Details View on Map
HALF MARATHON - Half - Individual
Organization: 10xEM LLC
Date of Race: 05-02-2027
Description: The 8th Annual National Women's Half Marathon 8K ...
View Race Details View on Map
STROLLER WARRIORS HALF - Stroller Warriors Half - ...
Organization: 10xEM LLC
Date of Race: 05-02-2027
Description: The 8th Annual National Women's Half Marathon 8K ...
View Race Details View on Map
Members (If you join PVTC below, you may ...
Organization: Potomac Valley Track Club
Date of Race: 12-19-2026
Description: On-line registration closes on Wednesday, ...
View Race Details View on Map
Members (If you join PVTC below, you may ...
Organization: Potomac Valley Track Club
Date of Race: 11-21-2026
Description: Race-day: Saturday, November 20
View Race Details View on Map
Waiver - For Children in Jogging Stroller - ...
Organization: 10xEM LLC
Date of Race: 05-02-2027
Description: The 8th Annual National Women's Half Marathon 8K ...
View Race Details View on Map
Bubble Run | Maryland 2027
Organization: Viral Run
Date of Race: 07-31-2027
Description: If you’ve done a traditional 5K, you know they ...
View Race Details View on Map
24th Annual Potomac River Run Marathon & Half
Organization: Marathon Charity Cooperation
Date of Race: 05-01-2027
Description: The 24th Potomac River Run Marathon Half, will be held ...
View Race Details View on Map
2026 PVTC Christmas Caper
Organization: Potomac Valley Track Club
Date of Race: 12-19-2026
Description: On-line registration closes on Wednesday, ...
View Race Details View on Map
8k - 8K - Individual
Organization: 10xEM LLC
Date of Race: 05-02-2027
Description: The 8th Annual National Women's Half Marathon 8K ...
View Race Details View on Map
Half marathon @ 8:30 AM - Participants
Organization: Marathon Charity Cooperation
Date of Race: 05-01-2027
Description: The 24th Potomac River Run Marathon Half, will be held ...
View Race Details View on Map
Bubble Run - Value Registrations- R̶e̶g̶u̶l̶a̶r̶ P̶r̶i̶c̶e̶ $̶5̶4̶.̶9̶5̶
Organization: Viral Run
Date of Race: 07-31-2027
Description: If you’ve done a traditional 5K, you know they ...
View Race Details View on Map
2026 Cranberry Crawl 5K and 10K
Organization: Potomac Valley Track Club
Date of Race: 11-21-2026
Description: Race-day: Saturday, November 20
View Race Details View on Map
Non-members - Team of 3 - non-members
Organization: Potomac Valley Track Club
Date of Race: 11-21-2026
Description: Race-day: Saturday, November 20
View Race Details View on Map
Marathon @ 7:30 AM - Members of supporting ...
Organization: Marathon Charity Cooperation
Date of Race: 05-01-2027
Description: The 24th Potomac River Run Marathon Half, will be held ...
View Race Details View on Map
Half marathon @ 8:30 AM - Members of ...
Organization: Marathon Charity Cooperation
Date of Race: 05-01-2027
Description: The 24th Potomac River Run Marathon Half, will be held ...
View Race Details View on Map
Complete list of running events in and near Fairfax, VA: Marathons, 1-milers, 5Ks, half-marathons, 10Ks, obstacle courses, walking events & more.
More information about Fairfax
About Fairfax
Fairfax (VA) is a city in Fairfax County with an estimated population of 22,565.[4]
Races Local Newsletter
Subscribe to get the latest on racing delivered to your inbox, once per week.
Did you know?
The number of U.S. marathon finishers declined from 2014 to 2015 approximately 8 percent.
