Running races in or near Mount Rainier, MD
Marathons, 1-milers, 5Ks, half-marathons, 10Ks & more
See below for a frequently-updated, comprehensive list of upcoming running events in the local Mount Rainier, MD 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 ...
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Running-5K - Individual Registration
Organization: Tekau's Heart Memorial Foundation
Date of Race: 09-12-2026
Description:
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Running-1K Kids Fun Run - Running 1K Kids ...
Organization: Knights of Columbus Council 11898
Date of Race: 09-05-2026
Description: The 23rdAnnual Ellicott City Labor Day 10K 5K is scheduled ...
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Running-10K Individual - 10K Individual
Organization: Knights of Columbus Council 11898
Date of Race: 09-05-2026
Description: The 23rdAnnual Ellicott City Labor Day 10K 5K is scheduled ...
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Running-5K Individual - 5K Individual
Organization: Knights of Columbus Council 11898
Date of Race: 09-05-2026
Description: The 23rdAnnual Ellicott City Labor Day 10K 5K is scheduled ...
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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 ...
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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 ...
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Non-members - Team of 3 - non-members
Organization: Potomac Valley Track Club
Date of Race: 11-21-2026
Description: Race-day: Saturday, November 20
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ChiRunning Workshop - Half Day
Organization: OnPoint Fitness
Date of Race: 08-16-2026
Description: Workshop Time: 9:00am - 1:00pm Brief Description: In this workshop you ...
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Speed & Agility Clinic - Fall 2026 ...
Organization: GAITHERSBURG PARKS & RECREATION DEPT
Date of Race: 09-14-2026
Description: DescriptionGet ready to move, sprint, cut, and level up your athletic ...
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Speed & Agility Clinic - Fall 2026 ...
Organization: GAITHERSBURG PARKS & RECREATION DEPT
Date of Race: 09-14-2026
Description: DescriptionGet ready to move, sprint, cut, and level up your athletic ...
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Half Marathon or Full Marathon - Non-Members
Organization: Safety And Health Foundation
Date of Race: 09-05-2026
Description: WE REGRET THAT WE CAN'T PROVIDE REFERRALS ...
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Transfers or Deferrals from a Previous Race - ...
Organization: Safety And Health Foundation
Date of Race: 09-05-2026
Description: WE REGRET THAT WE CAN'T PROVIDE REFERRALS ...
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Sponsor - $250 minimum, and you can advertise ...
Organization: Safety And Health Foundation
Date of Race: 09-05-2026
Description: WE REGRET THAT WE CAN'T PROVIDE REFERRALS ...
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Transfer or Deferral from a Previous Race - ...
Organization: Safety And Health Foundation
Date of Race: 10-17-2026
Description: WE REGRET THAT WE CAN'T PROVIDE REFERRALS ...
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Dinner on Friday evening at 6:15 PM at ...
Organization: Safety And Health Foundation
Date of Race: 10-17-2026
Description: WE REGRET THAT WE CAN'T PROVIDE REFERRALS ...
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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 ...
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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 ...
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Little & Junior TrackStars One Day Speed Clinic
Organization: Howard County Government
Date of Race: 11-14-2026
Description: DescriptionInternet Registration has not begun yet. Check Registration Dates in ...
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Little & Junior TrackStars
Organization: Howard County Government
Date of Race: 09-12-2026
Description: DescriptionInternet Registration has not begun yet. Check Registration Dates in ...
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Little & Junior TrackStars
Organization: Howard County Government
Date of Race: 09-12-2026
Description: DescriptionInternet Registration has not begun yet. Check Registration Dates in ...
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Little & Junior TrackStars
Organization: Howard County Government
Date of Race: 09-12-2026
Description: DescriptionInternet Registration has not begun yet. Check Registration Dates in ...
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School's Out with Little & Junior TrackStars
Organization: Howard County Government
Date of Race: 10-16-2026
Description: DescriptionInternet Registration has not begun yet. Check Registration Dates in ...
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Herndon Turkey Trot 5K
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 ...
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15th Annual Jack T. Farrar, Jr. 'Fill the ...
Organization: Fill the Shoes
Date of Race: 11-07-2026
Description: Fill the Shoes is proud to present the 14th annual "Fill ...
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Complete list of running events in and near Mount Rainier, MD: Marathons, 1-milers, 5Ks, half-marathons, 10Ks, obstacle courses, walking events & more.
More information about Mount Rainier
About Mount Rainier
Mount Rainier (MD) is a city in Prince Georges County with an estimated population of 8,080.[4]
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Did you know?
Historically, more marathons are run in the month of October than any other month (in the U.S.).
