Run for Amma

Los Gatos, United States • 22 May 2027

Run for Amma - May 22, 2027

Run for Amma is the 16th anniversary of an annual charity trail event held at Skyline Ridge Open Space Preserve in Los Gatos, CA. The event raises money and awareness for cancer research; 100% of registration proceeds are donated directly to a UCSF lab for cancer research.

The event offers three distances:

  • 50K - 5,052 feet elevation gain; 8.5 hour time limit
  • 30K - 3,382 feet elevation gain; 8.5 hour time limit
  • 10K - 1,026 feet elevation gain; walk or run

Route maps are provided for each distance. Race headquarters and the finish line use the preserve northern lot with restroom access; participants are asked to park in the equestrian lot. Bib pickup is available on race morning for the 50K and 30K events.

Volunteers and local running clubs support event operations, including course marking, aid stations, course sweeping and shuttle duties. Registration opens on November 26, 2026 at 12:00 AM PT.

The description above summarizes the event format, course profiles and charitable purpose. Specific route details and maps are provided by the organizers for each distance. Visit the organization's website for the most recent information.

Race information

50 km
50k
30 km
30k
10 km
10k
Visit the organization's website for the most recent information.
Trail runs nearby

A trail event at Almaden-Quicksilver County Park on June 7, 2025 offering distances from 5K to 50K, steep climbs, marked courses, aid stations, and toilet facilities. The 52 mile race is not held in 2025 and is planned to return in 2026.

Annual 5K and 10K fun run and walk each June at Hunting Hollow in Henry W. Coe State Park. The relatively flat dirt course runs through a wildflower-lined valley with oak trees and occasional wildlife, with proceeds supporting park projects..

Multiple trail distances from 5K to 50K on very hilly single track and dirt roads at Rancho Cañada del Oro. The course features scenic foothill views, two aid stations, enforced cutoffs, and finishers receive a medal.

Experience a scenic trail run through ancient Coastal Redwoods and lush river canyons in Santa Cruz. Choose from multiple distances including a 50K and marathon with several river crossings.

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