Events
Race Directors

Events by Back 40 Events

Upcoming Events

Last Man Standing Ultramarathon Image

Last Man Standing Ultramarathon

  • Sep 5, 2026
  • New Gloucester, ME USA
Backyard

Past Events

Trail Festival at Pineland Farms Image

Trail Festival at Pineland Farms

  • May 23, 2026
  • New Gloucester, ME USA
24 Hours
30 Hours
50 KM
50 Miles
100 KM

Weekly Newsletter

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

Recent Results

Yankee Springs Trail Run
Middleville, MI - 60 finishers
100 KM | 50 KM
Connor's Claims Ultra
Stockton, UT - 24 finishers
50 Miles | 50 KM
MCW The Tatum Classic
Middletown Township, NJ - 16 finishers
50 KM
Echo Valley Runs
Chelan, WA - 80 finishers
50 KM
Spence Mountain Run
Klamath Falls, OR - 11 finishers
50 KM
The Full Mo
Sheridan, IN - 190 finishers
50 KM
Run Comfy Numb Trail Race
Whistler, BC - 68 finishers
50 KM
Coz's Backyard Ultra
Holland Patent, NY - 16 finishers
Backyard
More Miles Last One Standing Challenge
Knoxville, MD - 66 finishers
Backyard | Backyard
North Fork 50 Mile/50K
Pine, CO - 255 finishers
50 Miles | 50 KM
View All Results