Race Discovery

Marathon races in United States — 2026 trail running calendar

106 events found

San Lorenzo River Trail Run logo
Jul
11

San Lorenzo River Trail Run

Santa Cruz, California, United States
Trail running Running
10.1K Half-Marathon 30K Marathon +3
Foy's to Blacktail Trail Marathon logo
Jun
21

Foy's to Blacktail Trail Marathon

Kalispell, Montana, United States
Trail running
Marathon
Race the Wolf logo
Jun
20

Race the Wolf

Sandpoint, Idaho, United States
Trail running Running
8K 1.6K Marathon Half-Marathon
Mohican 100 Trail Run logo
May
30

Mohican 100 Trail Run

Loudonville, Ohio, United States
Trail running
Ultra Marathon
Fools logo
May
23

Fools

Peninsula, Ohio, United States
Trail running
Ultra Marathon Half-Marathon 10K
Hrp - Sample Race logo
May
23

Hrp - Sample Race

Honolulu, Hawaii, United States
Running Trail running
Half-Marathon 30K Marathon Ultra +3
Nassau Suffolk Trail Marathon & 15 Miler logo
May
17

Nassau Suffolk Trail Marathon & 15 Miler

Farmingdale, New York, United States
Trail running
Marathon 24.1K
Wildflower Trail Races logo
May
09

Wildflower Trail Races

Bastrop, Texas, United States
Trail running Running
Ultra 19.3K 8K 5K +8
Battle Run Benefiting A Soldier’s Child Foundation logo
May
02

Battle Run Benefiting A Soldier’s Child Foundation

Lewisburg, Tennessee, United States
Trail running Obstacle race
Marathon Half-Marathon 5K 6.4K +5
Texas Switchback logo
May
02

Texas Switchback

Johnson City, Texas, United States
Trail running
5K 16.4K Half-Marathon Marathon