The Skyline 50K Endurance Run is a prestigious ultra-marathon held annually in one of the most scenic and challenging trail running locations. The race spans 50 kilometers, with participants navigating rugged, technical terrain and steep ascents through breathtaking mountain landscapes. The course offers panoramic views, making it not only a tough physical challenge but also an unforgettable experience for runners. Known for its tough climbs and demanding conditions, the Skyline 50K attracts elite athletes and seasoned ultra-runners looking for a true endurance test. It is a celebration of both physical strength and the beauty of nature, making it a favorite among ultra-marathoners.
Races
50km
Half Marathon
Race Date:
03 August, 2025
The Skyline Endurance Run Half Marathon, happening on August 3, 2025, in Castro Valley, California, offers runners a scenic challenge with rolling hills and diverse terrain. Organized by Scena Media & Scena Performance, the event welcomes both newcomers to trail running and seasoned runners seeking a shorter but rewarding race.
Weather based on historical averages.
FAQs
What is the Skyline Endurance Run Half Marathon?
How long is the Skyline Endurance Run Half Marathon?
Where does the Skyline Endurance Run Half Marathon take place?
What is the elevation gain of the Skyline Endurance Run Half Marathon?
How can I prepare for the Skyline Endurance Run Half Marathon?
How do I choose the right training plan for the Skyline Endurance Run Half Marathon?
The Skyline Endurance Run Half Marathon, happening on August 3, 2025, in Castro Valley, California, offers runners a scenic challenge with rolling hills and diverse terrain. Organized by Scena Media & Scena Performance, the event welcomes both newcomers to trail running and seasoned runners seeking a shorter but rewarding race.
The Skyline Endurance Run Half Marathon is 21km long.
The Skyline Endurance Run Half Marathon takes place in Castro Valley, California, USA.
Runna classifies the Skyline Endurance Run Half Marathon elevation profile as Hilly.
The best way to train for the next race is to use a personalised training plan that takes into account your current running ability, schedule, and preferences.
This will help you steadily improve your running performance and get ready for the race without risking an injury.
Check out our training plans to find the best running program for your goals!
Which plan you choose will depend on your experience, schedule, objectives, and the date of the race.
Runna offers personalised training plans for every runner and every goal: Whether this is your first, 10th or 100th race, we'll help you get the most out of your training and smash your goals.
Check out our training plans to find the best running program for your goals!
What is the Skyline Endurance Run Half Marathon?
The Skyline Endurance Run Half Marathon, happening on August 3, 2025, in Castro Valley, California, offers runners a scenic challenge with rolling hills and diverse terrain. Organized by Scena Media & Scena Performance, the event welcomes both newcomers to trail running and seasoned runners seeking a shorter but rewarding race.
How long is the Skyline Endurance Run Half Marathon?
The Skyline Endurance Run Half Marathon is 21km long.
Where does the Skyline Endurance Run Half Marathon take place?
The Skyline Endurance Run Half Marathon takes place in Castro Valley, California, USA.
What is the elevation gain of the Skyline Endurance Run Half Marathon?
Runna classifies the Skyline Endurance Run Half Marathon elevation profile as Hilly.
How can I prepare for the Skyline Endurance Run Half Marathon?
The best way to train for the next race is to use a personalised training plan that takes into account your current running ability, schedule, and preferences.
This will help you steadily improve your running performance and get ready for the race without risking an injury.
Check out our training plans to find the best running program for your goals!
How do I choose the right training plan for the Skyline Endurance Run Half Marathon?
Which plan you choose will depend on your experience, schedule, objectives, and the date of the race.
Runna offers personalised training plans for every runner and every goal: Whether this is your first, 10th or 100th race, we'll help you get the most out of your training and smash your goals.
Check out our training plans to find the best running program for your goals!
More
Sport:
Running
Tags:
Nature
Altitude
This event listing is for informational purposes only. Runna is not affiliated with, endorsed by, or sponsored by Skyline 50K Endurance Run or Scena Media & Scena Performance. All event details are based on publicly available information and are provided solely to help users discover running events. Runna does not use any official logos, images, or proprietary content from this event or its organiser. Any trademarks or names mentioned are used descriptively to identify the event in a factual manner. For the most accurate and up to date information (including to register or purchase an entry to the event), please visit the Skyline 50K Endurance Run website.
