RunCA
FOURmidable
February 20, 2027 • Auburn, CA
Course Distances
50K
35.5K
13.1M
13K
About this race
Use this page to sign up for FOURmidable trail race starting Feb 20, 2026 up until the start of the race. Simply sign up using your smart phone and the system will automatically add you to the packet pick up roster. After signing up, line up to pick up your bib in the correct line.
Official Registration
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