Lake Chabot Marina, Castro Valley, CA
The Skyline 50K is a Running race in Castro Valley, California consisting of a 50K.
Skyline 50K Endurance Run
The oldest continuously running trail 50k in the US. Many great ultra careers have started here, maybe even yours.
REGISTER NOW
VOLUNTEER
Overview
Run your first ultra - or your fastest - with us in the beautiful Oakland hills in the oldest continuously running 50k in the US!
Part of the USATF Grand Prix, Skyline 50k offers a scenic and moderately hilly figure 8 course on dirt trails through East Bay Regional Parks, from Lake Chabot Marina to Skyline Gate and returning along much of the Skyline National Recreation Trail. Invite your friends and family to join you and celebrate at the now famous post-race BBQ
Claim this race to update race dates, course descriptions, upload race pictures, and more.
CLAIM RACEWe try to keep race listings up-to-date, but sometimes miss updates. Click below to submit updated race information and details.
SUBMIT UPDATE