Maryland Half Marathons

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Maryland Half Marathons

Official Walker Friendly Half Marathons in Maryland

18:32 mile / 4 Hour Minimum course time limit= (W)

Symbol only applies to half marathon events

Maryland Half Marathons 2021 & 2022

Does NOT meet the Walker Friendly 4 hour minimum (18:32 / mi) = Not Walker Friendly (NWF) 

Trail Half Marathons (T)

Maryland Half Marathons January 2022

No Maryland Half Marathons 2022 in January at this time

Maryland Half Marathons February 2022

Sun Feb 2, 2020

Sun Feb 9, 2020

Columbia, MD

Great Falls, MD

Maryland Half Marathons March 2022

Sat Mar 14, 2020

Sun Mar 29, 2020 (T)

Sun Mar 15, 2020

Hagerstown, MD

Upper Marlboro, MD

Severna Park, MD

Maryland Half Marathons April 2022

Sat Apr 2, 2022

Sat Apr 11, 2020

Salisbury, MD

Potomac, MD

Maryland Half Marathons May 2021

Sat May 2, 2020

Sun May 3, 2020


Sat May 16, 2020

Sun May 17, 2020

Sat May 30, 2020 (NWF)

Sat May 30, 2020

Mon May 31, 2021

Ocean City, MD

Frederick, MD


St. Michaels, MD

Carderock, MD

Annapolis, MD

Fulton, MD

Great Falls, MD

Maryland Half Marathons June 2021

Sun Jun 6, 2021

Sun Jun 6, 2021 (W)

Potomac, MD

Elkton, MD

Maryland Half Marathons July 2021

Sat Jul 10, 2021

Sun Jul 11, 2021

Sun Jul 26, 2020

Potomac, MD

Frederick, MD

Boyds, MD

Maryland Half Marathons August 2021

Sun Aug 14, 2021

Sat Aug 21, 2021

Potomac, MD

St. Michaels, MD

Maryland Half Marathons September 2021

Sun Sep 6, 2020

Sun Sep 26, 2021

Sun Sep 19, 2021

Sat Sep 26, 2021

Sat Sep 25, 2021 (NWF)

Wed Sep 28, 2022

Sun Sep 27, 2020

Upper Marlboro, MD

Gaithersburg, MD

Annapolis, MD

Mt. Airy, MD

Havre de Grace, MD

Frostburg, MD

Westminster, MD

Maryland Half Marathons October 2021

Sun Oct 3, 2021

Sun Oct 6, 2019

Sun Oct 2, 2022


Sat Oct 9, 2021

Sun Oct 17, 2021

Sat Oct 30, 2021 (T)

Chestertown, MD

Parkville, MD

Hancock, MD


Baltimore, MD

Hancock, MD

Germantown, MD

Maryland Half Marathons November 2021

Sat Nov 2, 2019 (T)

Sun Nov 7, 2021


Sat Nov 16, 2019 (NWF)

Sat Nov 30, 2019

Germantown, MD

Potomac, MD


Annapolis, MD

Sparks, MD

Maryland Half Marathons December 2021

Sun Dec 15, 2019

Cardenrock, MD

Maryland Half Marathon Calendar event dates in grey are delinquent dates not updated by the race organizer yet. We strive to have dates 1 year out for Maryland half marathons, but have no control of when they set, announce or update their dates.

The Maryland Half Marathon Calendar is a complete simplistic listing of Maryland half marathons. Currently the Maryland half marathon schedule has 2020 Maryland half marathons and 2021 Maryland half marathons as they roll in. Maryland half marathons 2020 & Maryland half marathons 2021 also identify trail half marathons and walker friendly half marathons by a (T) symbol and a (W) symbol.  The (T) means it is a TRUE trail half marathon 21k (off road, switchbacks, etc) and a (W) means it is truly "official walker friendly" requiring the half marathon to allow a minimum of 18:32 mile pace, minimum 4 hours for participants to finish the 13.1 mile distance.


The Maryland half marathon calendar features a complete listing of MD half marathons, Baltimore half marathons, Columbia half marathons, Frederick half marathons, Annapolis half marathons, Germantown half marathons, Gaithersburg half marathons, and many more 1/2 marathons in MD.

Maryland half marathons 2020

Maryland half marathons 2021