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Ultra Marathon Races in United States

Map of Ultra Marathons in United States

Badwater 135

Mt. Whitney, California, United States
Perhaps one of the toughest ultras anywhere, the Badwater 135 is 135 miles (217 km) through California's Death Valley, one of the most in-hospitable places on Earth!

Beast of Burden


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Solo Race
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Potential to be running at night
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Potential for Cold and Snow

Lockport, New York, United States
The Beast of Burden ultra marathon is a 50 mile or 100 mile ultra marathon ran in Western New York state.

Can Lake 50


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Solo Race

Naples, New York, United States

Equinox Marathon


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Solo Race
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Team/Relay Race

Fairbanks, Alaska, United States

Greenland Trail 50K


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Solo Race

Larkspur, Colorado, United States
The Greenland Trail 50 km Ultramarathon is ran in southern Douglas County and is claimed to be Colorado’s fastest 50K!

Grindstone 100


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Potential to be running at night
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Mountain Race

Swoope, Virginia, United States
The Grindstone 100 is a 100 mile ultramarathon billed as the hardest 100 miler east of the 100th meridian.

Iron Horse Endurance Runs


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Potential to be running at night
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Potential for Hot weather

Florahome, Florida, United States
The Iron Horse Endurance Runs celebrating 10 years in 2015.

Javelina Jundred 100 Mile Endurance Run


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Potential for Hot weather

Arizona, United States
The Javelina Jundred 100 Mile Endurance Run is an ultra marathon ran through the Sonoran Desert on trails in the McDowell Mountain Regional Park.

Jemez Mountain Trail Runs


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Mountain Race

Los Alamos, New Mexico, United States

The Nifty Fifty


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Solo Race

Juneau, Alaska, United States
The Nifty Fifty has more than 5,000 feet of elevation gain and is ran mostly on trails with beautiful vistas.

Western States 100-Mile Endurance Run


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Potential for Hot weather

Squaw Valley, California, United States
The Western States 100-Mile Endurance Run is the world’s oldest 100-mile trail race starting in Squaw Valley, California and ending in Auburn, California.