

About the event
Scheduled for May 17, 2025, the Trail Race Top Down Half Marathon takes participants on a unique 13.4-mile journey that descends 1,909 feet from Mt. Umunhum to the valley below. The course features a mix of technical trails and sweeping views, making it ideal for runners who thrive on the thrill of downhill racing. Organized by Troy’s California Trail Runs, the event includes well-placed aid stations and shuttle support from the finish back to the start. It’s a race that combines the excitement of speed with the natural beauty of Almaden Quicksilver County Park.
Date:
Sat
May 17
2025
Location:
Distance:
Elevation profile:
Hilly
Website:
LinkElevation gain:
Number of participants:
Find the best training plan for your goals and the distance you’re planning to run:
Stories from Runnas
Take your running to the next level
The Trail Race Top Down Half Marathon on May 17, 2025, offers runners a thrilling 13.4-mile descent from Mt. Umunhum to the Hacienda Entrance in Almaden Quicksilver County Park. With 1,909 feet of elevation drop, this race is perfect for those who enjoy fast, downhill runs through scenic and challenging terrain.
If you are an official race organiser with any questions about this page, please get in touch: races@runna.com
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