Events
Race Directors

100 Miles Ultra Running Events in Massachusetts

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

Upcoming Events

Date Event City Distances
07/10/26 Notchview Ultra Adams 6 Hours , 12 Hours , 24 Hours , 48 Hours , 72 Hours , 100 Miles

Past Events

Date Event City Distances
05/30/26 Chesterfield Gorge Ultra West Chesterfield 50 KM , 50 Miles , 100 KM , 100 Miles
10/08/16 TARC 100 Westwood 50 Miles , 100 KM , 100 Miles

Weekly Newsletter

A roundup of the week's content and most recent race results. Sent once a week on Thursday.

Recent Results

The Full Mo
Sheridan, IN - 190 finishers
50 KM
Infinitus
Ripton, VT - 36 finishers
100 Miles | 88 KM
Hoof It on the Hill
Cherry Creek, NY - 9 finishers
52 KM
Echo Valley Runs
Chelan, WA - 80 finishers
50 KM
Smith Rock Classic
Terrebonne, OR - 185 finishers
50 Miles | 50 KM
Run Comfy Numb Trail Race
Whistler, BC - 68 finishers
50 KM
Cinderella Trail - Spring
Oakland, CA - 28 finishers
50 KM
High Noon Showdown
Enoree, SC - 17 finishers
12 Hours | 6 Hours | 6 Hours
The Sticks
Norton, KS - 72 finishers
72 Hours | 48 Hours | 24 Hours | 12 Hours | 6 Hours
Weld Your Mettle Running Festival
Windsor, CO - 27 finishers
100 Miles | 100 KM | 50 Miles | 50 KM
View All Results