Maryland Race Calendar

Maryland Half Marathons by Date • By City

Browse all 2020 Maryland half marathons by month below. For each race, you’ll find course maps, elevation profiles, runner reviews, and how to sign up.


When you view a race, you’ll also find contact info if you’re having problems with your registration or need to contact the race directors.

Susquehanna River Running Festival • Sept. 28, 2019

Susquehanna River Running Festival Half Marathon

Run through one of the nation’s “best small towns to visit,” according to Smithsonian Magazine, at the 2nd annual Susquehanna River Running Festival.

March 2020

Sun Mar 15 B & A Trail Marathon & Half Marathon Severna Park MD

April 2020

May 2020

July 2020

Sun Jul 26 Riley's Rumble Half Marathon Boyds MD

August 2020

September 2020

October 2020

November 2020

December 2019

Sun Dec 15 Gar Williams Half Marathon Carderock MD