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Skyline 50k Endurance Run

Name: Skyline 50k Endurance Run
Start: 2025-08-03
End: 2025-08-03
Location: Castro Valley

Castro Valley, United States • 3 Aug 2025

The Skyline 50K Endurance Run is one of California's oldest and most celebrated 50K races, taking place annually in August at Lake Chabot Marina in Castro Valley. This event is designed for both novice and experienced ultrarunners, featuring a scenic course that loops through the East Bay Regional Parks. Participants benefit from excellent aid station support provided by local running groups and a vibrant atmosphere, making it enjoyable for all levels of runners. After the race, participants can enjoy plant-based BBQ and refreshments, fostering a community spirit. The event also includes awards for top finishers and age group categories. Visit the organization's website for the most recent information.

United States California Castro Valley

Race information

Website Registration

UTMB 20K UTMB 50K

50 km

50k

21 km

21k

Visit the organization's website for the most recent information.

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...

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