Ultra Running Events in Maryland

All 50 KM 50 Miles 100 KM 100 Miles 6 Hours 12 Hours 24 Hours

Date	Event	City	Distances
06/21/25	Catoctin	Frederick	50 KM
07/19/25	Endless Summer 6-Hour Run	Annapolis	6 Hours
08/09/25	MD Heat Trail Race	Elkridge	50 KM
09/19/25	The Pemberton 24	Salisbury	24 Hours
10/12/25	Rocky Gap 50k	Flintstone	50 KM
10/12/25	Rick O'Donnell Memorial Ultra Challenge	Boonsboro	4 Hours , 8 Hours
10/25/25	Patapsco Valley 50K	Baltimore	50 KM
11/02/25	Fire on the Mountain	Flintstone	50 KM
11/08/25	Rosaryville Veterans Day 50k	Upper Marlboro	50 KM
11/08/25	Stone Mill 50M	Montgomery Village	50 Miles
11/22/25	JFK	Boonsboro	50 Miles
01/17/26	Phunt 50KM Trail Race	Elkton	50 KM
01/31/26	Mid-Maryland Ultra	Elkridge	50 KM
02/07/26	The Algonquin 50K	Pocomoke City	50 KM
02/28/26	Hashawha Hills	Westminster	50 KM
03/28/26	Genesee Valley Ultra	Parkton	6 Hours , 12 Hours , 24 Hours
04/18/26	Run to Remember	Sykesville	8 Hours , 50 KM
05/02/26	Farm Park Challenge	Derwood	6 Hours , 10 Hours

Date	Event	City	Distances
05/10/25	The Ripper - Sunrise to Sunset	Pocomoke	14 Hours
04/26/25	C&O Canal 100	Knoxville	100 Miles
04/12/25	Gunpowder Keg Ultra	Parkton	50 KM
03/29/25	Miocene Epic Endurance Challenge	Lusby	6 Hours , 9 Hours
03/22/25	HAT Trail Run	Havre de Grace	50 KM
03/08/25	Seneca Greenway Trail Marathon & 50K	Gaithersburg	28 Miles , 50 KM
03/01/25	The Dark Side 8 Hour Ultra	Clarksburg	8 Hours
02/22/25	Saint Marys Lake Trail Series	Leonardtown	50 KM
02/08/25	Froggy Hollow 5 & 9	Clarksburg	5 Hours , 9 Hours
02/07/25	The DUC	Pocomoke	100 KM
01/19/25	Eternal Winter 6 Hour Run	Annapolis	6 Hours
03/28/24	Greenbrier Endurance Runs	Boonesboro	50 KM , 50 Miles , 100 Miles
06/24/23	Mason Dixon Longest Day	Havre de Grace	100 KM
06/07/23	Run Your Towne - 24 Hour Challenge	Annapolis	24 Hours
05/27/23	Cow Bone Trail Run	Sharpsburg	6 Hours , 12 Hours , 24 Hours
11/20/21	Little Gunpowder 50k	Kingsville	50 KM
04/10/21	The Vertical Playground	Frederick	6 Hours , 14 Hours
07/24/20	Frozen Heart 50K	Callaway	50 KM
05/16/20	Herring Run 6H Race	Baltimore	6 Hours
08/24/19	Shepherd's Spring	Sharpsburg	50 KM , 100 KM
07/21/19	Rosaryville Trail Runs	Upper Marlboro	50 KM
02/03/18	Pain in the Neck	Cambridge	50 KM
02/03/18	24 Hours In The Neck	Cambridge	24 Hours
06/18/16	Mason-Dixon Trail Longest Day 100K Challenge	Havre de Grace	100 KM
07/21/13	Rosaryville - Summer	Rosaryville	50 KM
04/30/11	CAT 100	Frederick	100 Miles
08/03/84	DC Road Runners 100 Mile	Fort Meade	100 Miles
08/03/84	DC Road Runners 50 Mile	Fort Meade	50 Miles