Skyline 50K Endurance Run
Castro Valley, California, United States
Aug 2, 2026 - Sunday
50k, Half-marathon, Ultra
Race Information
Skyline is one of the oldest continuously running 50k races in the United States. The course starts and finishes at Lake Chabot Marina and travels a large loop through the East Bay Regional Parks, taking you all the way to Skyline Gate.
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Run Pick of the Month - Bay to Breakers
Get ready to be part of history! Bay to Breakers isn't just a 12K; it's the oldest consecutively run annual footrace in the world, held in May 2026.
A legendary staple of the City by the Bay since May 1912, this race has been interwoven into the very fabric of San Francisco, creating a wild, beautiful, and unforgettable celebration of life, community, and pure, unadulterated fun.
The classic 12K is amazing, but if you're looking for an extra push, you're covered with the Breakers Bonus 3K. Turn your run into an epic 15K challenge and make your Bay to Breakers experience even bigger, bolder, and wilder.
Lace up and get ready for a course that takes you through the most iconic, vibrant neighborhoods in the world. Click the button below to get all the details.
Don't just run a race, join a legend.
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Race Facts
Race Size: 100 - 500
Course Type: Trail
Boston Qualifier: No
Kids Run: No
Where to Stay
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