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 - 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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After School with Little & Junior TrackStars
Organization: Howard County Government
Date of Race: 11-05-2026
Description: DescriptionInternet Registration has not begun yet. Check Registration Dates in ...
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After School with Little & Junior TrackStars
Organization: Howard County Government
Date of Race: 11-09-2026
Description: DescriptionInternet Registration has not begun yet. Check Registration Dates in ...
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8k - 8K - Individual
Organization: 10xEM LLC
Date of Race: 05-02-2027
Description: The 8th Annual National Women's Half Marathon 8K ...
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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 ...
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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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ROUND-TRIP Red Top Cab ride from Le Meridien ...
Organization: Safety And Health Foundation
Date of Race: 10-17-2026
Description: WE REGRET THAT WE CAN'T PROVIDE REFERRALS ...
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Marathon or Half Marathon - Members of supporting ...
Organization: Safety And Health Foundation
Date of Race: 10-17-2026
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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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, ...
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After School with Little & Junior TrackStars
Organization: Howard County Government
Date of Race: 11-05-2026
Description: DescriptionInternet Registration has not begun yet. Check Registration Dates in ...
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HALF MARATHON - Half - Individual
Organization: 10xEM LLC
Date of Race: 05-02-2027
Description: The 8th Annual National Women's Half Marathon 8K ...
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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 ...
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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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Marathon or Half Marathon - 18 & under
Organization: Safety And Health Foundation
Date of Race: 10-17-2026
Description: WE REGRET THAT WE CAN'T PROVIDE REFERRALS ...
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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 ...
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2026 Cranberry Crawl 5K and 10K
Organization: Potomac Valley Track Club
Date of Race: 11-21-2026
Description: Race-day: Saturday, November 20
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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
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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 ...
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After School with Little & Junior TrackStars
Organization: Howard County Government
Date of Race: 11-09-2026
Description: DescriptionInternet Registration has not begun yet. Check Registration Dates in ...
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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 ...
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Marathon or Half Marathon - Half or Full ...
Organization: Safety And Health Foundation
Date of Race: 10-17-2026
Description: WE REGRET THAT WE CAN'T PROVIDE REFERRALS ...
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Little & Junior TrackStars One Day Speed Clinic
Organization: Howard County Government
Date of Race: 11-14-2026
Description: DescriptionWho doesn't want to be fast, explosive and quick? Those characteristics ...
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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?
There were at least 768 marathons scheduled in the United States and Canada in 2016.
