50 KM Ultra Running Events in Massachusetts

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

Date	Event	City	Distances
06/13/26	Edge Hill Trail Race	Ashfield	50 KM
08/08/26	TARC Summer Classic	Medfield	50 KM , 40 Miles
09/05/26	TARC Fall Classic	Carlisle	50 KM , 50 Miles
09/12/26	Free to Run Trail Races	Pittsfield	50 KM
10/24/26	Womp Romp	Hingham	50 KM
01/02/27	TARC Yeti Trail Trot	Hamilton	50 KM
04/24/27	TARC Spring Classic	Weston	50 KM

Date	Event	City	Distances
05/30/26	Chesterfield Gorge Ultra	West Chesterfield	50 KM , 50 Miles , 100 KM , 100 Miles
05/16/26	Tails & Trails State Forest Run	Pittsfield	50 KM
05/16/26	Free Spirit 50K	Leyden	50 KM
05/09/26	Watuppa Trail Races	Fall River	50 KM
04/19/26	TARC Don't Run Boston	Milton	50 KM , 50 Miles
04/04/26	Mt. Toby Ultra	Sunderland	50 KM
12/20/25	Seth's Fat Ass	Springfield	50 KM
09/27/25	Notchview Invitational	Windsor	24 Hours , 50 KM , 50 Miles
01/04/25	GAC FA50	Topsfield	50 KM
06/22/24	VEGAN POWER	Pittsfield	50 KM
08/07/22	East End Trail Races	Easton	50 KM
04/10/22	Cheap Marathon	Salisbury	50 KM
01/15/21	Cape Cod Frozen Fat Ass 50k	Barnstable	50 KM
10/25/20	Massasoit Trail Races	East Taunton	50 KM
10/10/20	Plymouth's Long, Hard & Dirty Ultra	Plymouth	8 Hours , 50 KM
09/26/20	Cape Cod MOVES "Y-Not" Trail Race	Sandwich	50 KM
09/19/20	Goat Hill Trail Festival	Uxbridge	50 KM
04/19/20	Cape Cod Trail Race	Falmouth	50 KM
06/08/19	The North Face Endurance Challenge Massachusetts	Princeton	50 KM , 50 Miles
05/20/18	Big Bear 50K	East Taunton	50 KM
12/31/11	WMAC Fat Ass	NORTH ADAMS	50 KM
03/26/11	Fells Trail Ultra	Stoneham	Unknown Miles , 50 KM , 32 Miles , 40 Miles