May ultra marathons in United States
237 races
Mdh Buck Fifty Ultra Endurance Race
Apr 30, 2026 (Thu)
Watford City, North Dakota, United States
Coyote Two Moon
May 1, 2026 (Fri)
Ojai, California, United States
2.3 - 2.8
$184.55 - $386.9
Long Island Marathon Festival
May 1-3, 2026 (Fri-Sun)
East Meadow, New York, United States
Salt Flats Endurance Runs
May 1-2, 2026 (Fri-Sat)
Wendover, Utah, United States
1.1 - 2.4
$287.32 - $457.61
Thunder Chicken 100K Stage Races
May 1-3, 2026 (Fri-Sun)
Eureka, Missouri, United States
$300.16
Run4Kids 24 Hour Running Party
May 1-2, 2026 (Fri-Sat)
Corona, California, United States
$129 - $149
Wausaultra Backyard Ultra and Double Down
May 1, 2026 (Fri)
Wausau, Wisconsin, United States
Heartland 50
May 2, 2026 (Sat)
Cassoday, Kansas, United States
$173.63 - $196.31
Hearts Desire 6-Hour Endurance Run
May 2, 2026 (Sat)
Herrin, Illinois, United States
Rock the Ridge
May 2, 2026 (Sat)
New Paltz, New York, United States
1.8
Folsom Lake Trail Run
May 2, 2026 (Sat)
Folsom, California, United States
$147.27
El Gato Rebelde Ultra 12-Hour
May 2, 2026 (Sat)
Surfside, Florida, United States
$117.45 - $151.64
Kanawha Trace Trail Run
May 2, 2026 (Sat)
Ona, West Virginia, United States
1.2
$98.12
Lost Creek Trail Runs
May 2, 2026 (Sat)
Trail, Oregon, United States
$136.62
Strolling Jim
May 2, 2026 (Sat)
Wartrace, Tennessee, United States
$152.6
The Tick
May 2, 2026 (Sat)
Alexander Springs, Florida, United States
2
$42.29
Hollywood to the Sea
May 2, 2026 (Sat)
Los Angeles, California, United States
2.4
$700
Falcon 50
May 2, 2026 (Sat)
Colorado Springs, Colorado, United States
$66.25
Hills Creek Endurance Challenge
May 2, 2026 (Sat)
Wellsboro, Pennsylvania, United States
$92.81 - $323
EHQ Valley Falls 6 & 12 Hour
May 2, 2026 (Sat)
Fairmont, West Virginia, United States
$66.25 - $110
Run for Kids Challenge
May 2, 2026 (Sat)
Pelham, Alabama, United States
$149.93
O24
May 2, 2026 (Sat)
Kirtland, Ohio, United States
$189.87
Trails to the Sky 50K/10K
May 2, 2026 (Sat)
Glen Gardner, New Jersey, United States
1.2
$87.5
East Fork 6 Hours of Power
May 2, 2026 (Sat)
Bethel, Ohio, United States
Glorieta Twelve Hour Endurance Run
May 2, 2026 (Sat)
Glorieta, New Mexico, United States
Showing 1 - 25 of 237 events