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50K

The 50K is the entry distance into ultramarathon racing. It is mostly run on trail and hilly courses. Find a comprehensive list of 50Ks below.
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50K
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Ultramarathon

upcoming races

Hiawatha Trail Run
Jun 8, 2025
/
Coeur d’Alene
Wy'east Trailfest
Aug 9, 2025
/
Mt. Hood
The Canyons Endurance Runs
Apr 25, 2025
/
Sacramento
Weiser River 50K Ultra and Relay
Apr 26, 2025
/
McDonald Forest 50K
May 3, 2025
/
Corvallis
Greenland Trail Races
May 3, 2025
/
Colorado Springs
Folsom Lake 10K, Half, 35K, 50K
May 3, 2025
/
Folsom
Hacienda Hills Trail Run
May 3, 2025
/
San Jose
Sisters Country 50K & Half Marathon
May 4, 2025
/
Sisters
Mt. Si Relay & Trail Runs
May 4, 2025
/
Snoqualmie
Tillamook Burn
May 9, 2025
/
Portland
Valkyrie Trail Race
May 10, 2025
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Colorado Springs
Grizzly Peak Trail Run
May 10, 2025
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Berkeley
Pine Trail Run - 5K, 10 mile, 50K
May 10, 2025
/
Pine
Leavenworth Trail Fest
May 24, 2025
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Leavenworth
Stumptown Trail Runs
May 24, 2025
/
Portland
Cape Mountain
May 31, 2025
/
Florence
Smith Rock Classic
May 31, 2025
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Terrebonne
Scout Mountain Ultras
Jun 6, 2025
/
Pocatello
Echo Valley Trail Run
Jun 7, 2025
/
Leavenworth
McKenzie River Trail Run
Jun 7, 2025
/
Orcas Island 50K & 25K
Jun 7, 2025
/
Orcas Island
Vashon Island Ultramarathon
Jun 7, 2025
/
Silver State 50/50
Jun 7, 2025
/
Reno
Mary’s Peak Trail Run
Jun 14, 2025
/
Blodgett
Divide 50K
Jun 14, 2025
/
Butte
The Kan Mountain Ultra Trail Race
Jun 14, 2025
/
Spokane
Kettle Moraine 100
Jun 14, 2025
/
LaGrange
River of No Return Endurance Runs 32k, 55k & 108k
Jun 14, 2025
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Flagstaff Extreme Big Pine Trail Runs
Jun 21, 2025
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Flagstaff
Bears Ears Ultra
Jun 21, 2025
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Wild Woman Marathon, 50K Trail Run
Jun 21, 2025
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Trout Lake
Alpine Solstice
Jun 21, 2025
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Bend
Golden State 10K, Half, 35K, 50K
Jun 21, 2025
/
Monterey Bay
Black Mountain Trail Races
Jun 21, 2025
/
San Diego

featured events

Fred Hutch Obliteride
August 9, 2025
/
Seattle
Cinco de Mayo
May 4, 2025
/
Portland
Hippie Chick Half Marathon, Quarter Marathon
May 10, 2025
/
Portland
FootZone's Dirty Half Marathon
May 31, 2025
/
Bend
Helvetia Half Marathon, 10K, 5K
May 31, 2025
/
Portland
Newport Marathon 2025
Jun 1, 2025
/
Newport
Hiawatha Trail Run
Jun 8, 2025
/
Coeur d’Alene
Grateful Dad Half Marathon
Jun 14, 2025
/
Portland
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