The 5th Annual Mackyard Ultra presented by Baltimore Road Runners Club
Cockeysville, Maryland, United States
Ultramarathons in Maryland
2026 and 2027 race calendar. 6 upcoming, updated daily.
Baltimore23Bel Air14Columbia14Westminster11Annapolis9Frederick7Hagerstown7Gaithersburg6Rockville5Fort Washington4Cambridge3Elkridge3Havre De Grace3Saint Leonard3Silver Spring3Stevensville3Williamsport3Aberdeen2Boonsboro2Bowie2Clarksburg2Cockeysville2College Park2Derwood2
All 100 cities and towns
Baltimore23Bel Air14Columbia14Westminster11Annapolis9Frederick7Hagerstown7Gaithersburg6Rockville5Fort Washington4Cambridge3Elkridge3Havre De Grace3Saint Leonard3Silver Spring3Stevensville3Williamsport3Aberdeen2Boonsboro2Bowie2Clarksburg2Cockeysville2College Park2Derwood2Easton2Elkton2Ellicott City2Hanover2Ijamsville2Laurel2Middle River2Millersville2Mount Airy2National Harbor2Ocean City2Oxon Hill2Pasadena2Perryville2Potomac2Prince Frederick2Salisbury2Severna Park2Solomons Island2Towson2Upper Marlboro2White Plains2Bel Alton1Berlin1Bethesda1Bladensburg1Boyds1Brunswick1Catonsville1Chesapeake City1Chester1Chevy Chase1Cobb Island1Crofton1Cumberland1Denton1Eden1Edgewater1Frostburg1Germantown1Glen Echo1Hollywood1Hyattsville1Hydes1Issue1Jessup1Kennedyville1Kingsville1Lexington Park1Linthicum Heights1Marbury1McHenry1Mechanicsville1Middletown1Montgomery Village1Mt. Airy1New Market1Odenton1Owings1Parkton1Parsonsburg1Perry Hall1Poolesville1Port Deposit1Ridgely1Rohrersville1Savage1Six Locations & Virtual!1Snowhill1Solomons1Sparks Glencoe1St Michaels1Stevensville Libby's Coastal Kitchen1Thurmont1Various Locations on the Chesapeake1Walkersville1
October 2026
November 2026
MCRRC Stone Mill 50 Mile Run
Montgomery Village, Maryland, United States
JFK 50 Mile
Boonsboro, Maryland, United States
64th Annual JFK 50 Mile presented by Altra
Boonsboro, Maryland, United States
April 2027
UltraTrax Wisp
McHenry, Maryland, United States
July 2027
Chesapeake Bay Paddle - hosted by Kent Island Outrigger Canoe Club
Chester, Maryland, United States