Trail running Race Calendar in United States

Samson's Revenge

Estes Park, Colorado, United States

May 23, 2026 (Sat)

Trail running

10.5K 25K Ultra

Furbutt’s 24-Hour Backyard Ultra

Lorton, Virginia, United States

May 23, 2026 (Sat) – May 24, 2026

Trail running

Ultra

Mount Wilson Trail Race 2026

Sierra Madre, California, United States

May 23, 2026 (Sat)

Trail running, Running

13.8K 1K

Catsmacker

Perryville, Arkansas, United States

May 23, 2026 (Sat)

Trail running

32.2K

The Next Loop Endurance Series | Lake Carl Blackwell

Stillwater, Oklahoma, United States

May 23, 2026 (Sat)

Trail running

5K

Little River Trail Run

Little River, Kansas, United States

May 23, 2026 (Sat)

Running, Walking, Trail running

10K 5K +6

Farish Trail Race

Woodland Park, Colorado, United States

May 23, 2026 (Sat)

Trail running

Half-Marathon 10K 5K 1.6K

Caesar Creek Trail Race

Waynesville, Ohio, United States

May 23, 2026 (Sat) – May 25, 2026

Trail running

Half-Marathon 10K 5K 20K +7

Hawthorn Half Day Relay & Ultra presented by Jones Fabrication

Terre Haute, Indiana, United States

May 23, 2026 (Sat)

Trail running

Ultra +1

Walk The Line - 24 hours for our First Responders

Seven Springs, North Carolina, United States

May 22, 2026 (Fri) – May 24, 2026

Trail running, Running

Ultra 10K +2

Kal’s Knoya Ridge Run

Anchorage, Alaska, United States

May 21, 2026 (Thu)

Trail running

8.5K 6.4K 2.6K

Hixon Trail Series

La Crosse, Wisconsin, United States

May 21, 2026 (Thu) – Aug 20, 2026

$25.00

Trail running

6.8K