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.

Wy’east Wonder

June 28, 2025
Mt. Hood

Wy'east Trailfest

August 9, 2025
Mt. Hood

Woodside Crossover 10K, Half, 35K, 50K

April 12, 2025
San Francisco

Wild Woman Marathon, 50K Trail Run

June 21, 2025
Trout Lake

Volcanic

August 2, 2025
Mt St Helens

Weiser River 50K Ultra and Relay

April 26, 2025

Vashon Island Ultramarathon

June 7, 2025

Valkyrie Trail Race

May 10, 2025
Colorado Springs

VALENCIA Trail Race

March 22, 2025
Los Angeles

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

September 20, 2025
Snoqualmie

TransRockies Golden Ultra

September 12, 2025

Tillamook Burn

May 9, 2025
Portland

Tiger Peak Challenge

June 28, 2025
Issaquah

Three Sisters Skyline

September 20, 2025
Sisters

The Peak 50k/Marathon/Half Marathon

July 12, 2025
Julian

Thelma & Louise Women's Half Marathon

April 25, 2026
Moab

The Rut Mountain Runs

September 12, 2025
Big Sky

The Ranch 50K

February 15, 2025
Escondido

The Big Alta

March 22, 2025
San Rafael

The Kan Mountain Ultra Trail Race

June 14, 2025
Spokane