Skyline 50k Endurance Run
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Skyline 50k Endurance Run : Castro Valley, CA
Skyline 50k Endurance Run is a trail event organized by Scena Performance that takes place at Lake Chabot Marina in Castro Valley, California. The course is a large loop through East Bay Regional Parks that reaches Skyline Gate and returns to the marina. The route includes trail terrain and significant climbing.
Available distances:
- 50K
- 21K (Half Marathon)
Event services and logistics include a digital race briefing held online in the lead-up to the event and an optional bib pickup at Sports Basement Berkeley. Athlete guides and GPX files for the courses are provided. Aid stations are staffed by volunteer groups such as Dusty Bottoms, Running for a Better Oakland, Lake Merritt Joggers and Striders, and the Pamakids; a Volunteer Safety Patrol assists at key intersections.
Every finisher receives a race shirt, Skyline socks, and a finisher’s medal. Overall winners and age group leaders (three-deep) receive awards. The 50K is part of the P-USATF Grand Prix and is listed as a UTMB Index race.
Entry fees are listed in USD with a range of 98.12 to 168.57. Refunds are generally not offered; deferral to the following year is allowed more than 30 days before the event, and deferrals are not available inside 30 days. Registration closes on August 1, 2027. Visit the organization's website for the most recent information.
