Trail running Race Calendar in United States

May

22

Outlast Columbus

Lewis Center, Ohio, United States

$90.00

Trail running

29K

May

23

Diablo Trail Run

Clayton, California, United States

Free - $90.00

Trail running Running

6.4K 16.1K Half-Marathon Marathon +3

May

23

Spring Run The Farm

Katonah, New York, United States

$20.00 - $40.00

Trail running

8K 1.8K SPRING Kids Run The Farm (Race 2 - age 6 & under race)

May

23

The Dormie Challenge: 12-Hour and 6-Hour Ultra Marathon

Stevens Point, Wisconsin, United States

$75.00 - $100.00

Trail running

The Dormie 12-Hour Challenge: 2026 The Dormie 6-Hour Challenge: 2026

May

29

River's Edge Trail Race

Georgetown, Texas, United States

$10.00 - $117.00

Trail running Mountain biking

Ultra 25K 16.1K 8K +4

May

29

High Hope Endurance Run - 200K - 100K - 50K - 25K - 10K - 5K

Glen Rose, Texas, United States

Free - $235.00

Trail running

5K 10K 25K Ultra +10

May

29

Hawthorn Half Day Relay & Ultra presented by Jones Fabrication

Terre Haute, Indiana, United States

$60.00 - $100.00

Trail running

Ultra

May

29

Fools

Peninsula, Ohio, United States

$40.00 - $85.00

Trail running

Ultra Marathon Half-Marathon 10K

May

29

MileBuilt 3-Day Memorial Day Bridge Challenge

Winter Park, Florida, United States

$35.00 - $85.00

Trail running Running

Ultra Marathon Half-Marathon 10K +11

May

29

Outlast Pittsburgh

Gibsonia, Pennsylvania, United States

$90.00

Trail running

29K

May

30

Conquer the Cove 25k and Marathon Trail Races

Roanoke, Virginia, United States

Free - $85.00

Trail running Running

25.5K Marathon Conquer the Cove & RNUTS Bundle +1

Jun

03

IronHike Mohawk Mountain Spring Series

Mohawk Mtn Ski Area, Cornwall, Connecticut, United States

$180.00 - $2,520.00

Trail running Running

Ultra 46.7K 24.1K 46.3K +13