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.

Middle Fork Trail Run

October 5, 2024
Snoqualmie

Colossal Vail 50/50

December 7, 2024
Vail

Perpetua Fatass 2025

January 11, 2025
Yachats

SD50 / Trail Marathon / Half Marathon

January 11, 2025
San Diego

Elephant Mountain Trail Runs

February 1, 2025
Phoenix

Bristow Trail Run

February 2, 2025
Eugene

Black Canyon Ultras

February 8, 2025
Phoenix

FOURmidable

February 15, 2025
Auburn

Hagg Mud 50K/25K

February 15, 2025
Portland

Redtail Ridge 10K, Half, 30K, 50K

February 15, 2025
Castro Valley

The Ranch 50K

February 15, 2025
Escondido

Lord Hill Trail Run

February 22, 2025
Everett

Montara Mountain Trail Run

February 22, 2025
Pacifica

Moab Red Hot

February 22, 2025
Moab

Sycamore Canyon Trail Races

February 22, 2025
San Diego

Dos Senderos Trail Race

March 1, 2025
Austin

Red Mountain 50K

March 1, 2025
St. George

Antelope Canyon Ultra Marathons

March 8, 2025
Page

Chanoko 50K, 31K and 5-Mile Trail Runs

March 8, 2025
Sacramento

Marin Ultra Challenge

March 8, 2025
Marin