Hard ultra marathons in United States
196 races
Hell Hole Hundred
Jun 6, 2025 (Fri)
Bethera, South Carolina, United States
1.4 - 2.8
$110 - $269.75
San Diego 100
Jun 6-7, 2025 (Fri-Sat)
Lake Cuyamaca, California, United States
2.5
$381.57
Scout Mountain Ultras
Jun 6-7, 2025 (Fri-Sat)
Pocatello, Idaho, United States
1.4 - 2.7
Mace's Hideout 100
Jun 7, 2025 (Sat)
Beulah, Colorado, United States
2.2 - 2.9
$482.75
Huron 100
Jun 7, 2025 (Sat)
Grass Lake Charter Township, Michigan, United States
1.8 - 2.6
$216.5 - $323
The Great Divide Ultra
Jun 7-8, 2025 (Sat-Sun)
Divide, Colorado, United States
1.3 - 2.9
$163.25 - $333.65
Cool Moon Trail Runs
Jun 14-15, 2025 (Sat-Sun)
Cool, California, United States
1.9 - 2.6
$156.86 - $360.27
Bighorn Mountain Wild and Scenic Trail Runs
Jun 20-21, 2025 (Fri-Sat)
Sheridan, Wyoming, United States
2.7
Froggy Mountain 100
Jun 20, 2025 (Fri)
Galax, Virginia, United States
2.7 - 3.6
Burney Mountain 100
Jun 20, 2025 (Fri)
Burney, California, United States
2.7
$296.37
Strawberry Fields Forever
Jun 21, 2025 (Sat)
North Bonneville, Washington, United States
1.2 - 2.6
$76.87 - $136.62
Bighorn
Jun 21, 2025 (Sat)
Dayton, Wyoming, United States
1.2 - 2.6
Denali 135, 100K & 50K
Jun 21, 2025 (Sat)
Paxson, Alaska, United States
1.2 - 2.9
Black Hills 100
Jun 27-28, 2025 (Fri-Sat)
Sturgis, South Dakota, United States
1.2 - 2.6
$173.15 - $399.36
Copper Kings 100
Jun 27, 2025 (Fri)
Butte, Montana, United States
3.1
$370.92
The Yeti 100 Mile Endurance Run-Washington
Jun 27, 2025 (Fri)
Snoqualmie Pass, Washington, United States
1.9 - 2.5
$163.25 - $243.12
Sisu 24 Pnw
Jun 28, 2025 (Sat)
Enumclaw, Washington, United States
3
$259.1 - $269.75
Badwater 135
Jul 7-9, 2025 (Mon-Wed)
Lone Pine, California, United States
2.7
Silverheels Trail Runs
Jul 11-12, 2025 (Fri-Sat)
Fairplay, Colorado, United States
1.7 - 2.7
$180
Notchview Ultra
Jul 11-13, 2025 (Fri-Sun)
Windsor, Massachusetts, United States
2.7
$82.18 - $237.8
Silverheels Trail Runs
Jul 11, 2025 (Fri)
Fairplay, Missouri, United States
1.9 - 2.7
Hardrock 100 Endurance Run
Jul 11, 2025 (Fri)
Silverton, Colorado, United States
2.7
180-mile Pioneer Crossings Relay Race
Jul 11-12, 2025 (Fri-Sat)
Twin Bridges, Montana, United States
3.2
$150
Cry Me a River!
Jul 11, 2025 (Fri)
Chillicothe, Illinois, United States
1.5 - 2.7
Devil's Gulch
Jul 12, 2025 (Sat)
Wenatchee, Washington, United States
2.1 - 2.8
$227.15 - $477.42
Showing 1 - 25 of 196 events