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.

upcoming races

Wy'east Trailfest

Aug 9, 2025

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Flagstaff Extreme Big Pine Trail Runs

Jun 21, 2025

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Bears Ears Ultra

Jun 21, 2025

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Wild Woman Marathon, 50K Trail Run

Jun 21, 2025

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Alpine Solstice

Jun 21, 2025

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Golden State 10K, Half, 35K, 50K

Jun 21, 2025

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Black Mountain Trail Races

Jun 21, 2025

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Tiger Peak Challenge

Jun 28, 2025

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Wy’east Wonder

Jun 28, 2025

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Siskiyou Out Back

Jul 12, 2025

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The Peak 50k/Marathon/Half Marathon

Jul 12, 2025

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San Lorenzo River Trail Run

Jul 12, 2025

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Beaverhead 100k and 55k

Jul 12, 2025

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Mt Hood Trail Runs

Jul 12, 2025

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Silverton Alpine Runs

Jul 19, 2025

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Never Summer 100K/60K

Jul 25, 2025

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Speedgoat Mountain Races

Jul 25, 2025

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Standhope Ultra Challenge 100mi, 60K & 30K

Jul 25, 2025

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Pikes Peak Ultra

Jul 26, 2025

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Colorado Springs

Aug 2, 2025

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Rodeo Valley 8K, Half, 30K, 50K

Aug 3, 2025

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Skyline 50K Endurance Run

Aug 3, 2025

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Larrabee Lakes Trail Run

Aug 9, 2025

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Redwood (Summer) Trail Run

Aug 16, 2025

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Harriman 25K/50K Trail Run

Aug 23, 2025

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Six-O Trail Run

Aug 30, 2025

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Backcountry Rise

Sep 6, 2025

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Diablo Trail Run

Sep 7, 2025

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The Rut Mountain Runs

Sep 12, 2025

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TransRockies Golden Ultra

Sep 12, 2025

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Priest Lake Marathon and 50K

Sep 13, 2025

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Berkeley Trail Adventure

Sep 13, 2025

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Mammoth Trail Fest

Sep 19, 2025

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Grindstone Running Festival

Sep 19, 2025

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Shenandoah National Park

Ultra Fest 100M, 100K, 50M, 50K

Sep 20, 2025

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