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 ...
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: 12-19-2026
Description: On-line registration closes on Wednesday, ...
View Race Details View on Map
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 ...
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
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 ...
View Race Details View on Map
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 ...
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
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 ...
View Race Details View on Map
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 ...
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
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
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 ...
View Race Details View on Map
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 ...
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
After School with Little & Junior TrackStars
Organization: Howard County Government
Date of Race: 09-24-2026
Description: DescriptionEnergize your afternoons with running, jumping, and sharpening mental focus are ...
View Race Details View on Map
After School with Little & Junior TrackStars
Organization: Howard County Government
Date of Race: 09-24-2026
Description: DescriptionEnergize your afternoons with running, jumping, and sharpening mental focus are ...
View Race Details View on Map
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 ...
View Race Details View on Map
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 ...
View Race Details View on Map
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 ...
View Race Details View on Map
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 ...
View Race Details View on Map
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]
Races Local Newsletter
Subscribe to get the latest on racing delivered to your inbox, once per week.
Did you know?
There were at least 768 marathons scheduled in the United States and Canada in 2016.
