The Sierra Azul Trail Challenge is a beloved annual event that takes place in the Sierra Azul Open Space Preserve, located in the foothills of the Santa Cruz Mountains in California. The event offers a range of race distances, including a marathon, half marathon, 10K, and 5K, making it accessible to runners of all experience levels. Participants are treated to breathtaking mountain views, challenging terrain, and scenic trails that wind through the preserve’s diverse landscapes, including dense forests and open ridgelines. Known for its rugged beauty and well-organized races, the Sierra Azul Trail Challenge attracts both trail running enthusiasts and those seeking to push their endurance in an iconic natural setting.
Race Date:
19 April, 2025
The Sierra Azul Trail Challenge Marathon on April 19, 2025, includes a grueling 7,332 feet of elevation gain, offering a marathon like no other in Almaden Quicksilver County Park. This course is crafted for those who are ready to embrace both the physical and mental demands of trail running in a beautiful setting.
Weather based on historical averages.
The Sierra Azul Trail Challenge Marathon on April 19, 2025, includes a grueling 7,332 feet of elevation gain, offering a marathon like no other in Almaden Quicksilver County Park. This course is crafted for those who are ready to embrace both the physical and mental demands of trail running in a beautiful setting.
The Sierra Azul Trail Challenge Marathon is 42km long.
The Sierra Azul Trail Challenge Marathon takes place in San Jose, California, USA.
The Sierra Azul Trail Challenge Marathon elevation gain is 2235 metres, which Runna classifies as a Hilly race.
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!
The Sierra Azul Trail Challenge Marathon on April 19, 2025, includes a grueling 7,332 feet of elevation gain, offering a marathon like no other in Almaden Quicksilver County Park. This course is crafted for those who are ready to embrace both the physical and mental demands of trail running in a beautiful setting.
The Sierra Azul Trail Challenge Marathon is 42km long.
The Sierra Azul Trail Challenge Marathon takes place in San Jose, California, USA.
The Sierra Azul Trail Challenge Marathon elevation gain is 2235 metres, which Runna classifies as a Hilly race.
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!
Running
Nature
Altitude
This event listing is for informational purposes only. Runna is not affiliated with, endorsed by, or sponsored by Sierra Azul Trail Challenge or Troy’s California Trail Runs. 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 Sierra Azul Trail Challenge website.