Summit Rock Half Marathon

Almaden Hills Trail Run, held in Almaden Quicksilver Park in San Jose, California, offers seven distances: 5K, 10K, 8 Mile, Half Marathon, 30K, Trail Marathon, and 50K. The course blends 60% dirt roads with 40% single-track and is notably hilly with scenic views. The event features two main aid stat..

Race Thru the Redwoods is a scenic running event held in Felton, California, starting and finishing at Roaring Camp Railroads. The main 10K race takes participants through the majestic redwoods of Henry Cowell Redwoods State Park, offering a beautiful natural setting. The event also features a Kids..

The Santa Cruz Trail Run, hosted by Inside Trail Racing, takes place at Henry Cowell Redwoods State Park in Felton, California. This scenic event offers three distances: 10K, Half Marathon, and 30K, featuring challenging courses through giant redwoods, twisting single-track trails, dirt fire roads,..

The Santa Cruz Track Club Cross Country Challenge will take place in Santa Cruz on Sunday 24 August 2025. You can run 4 miles.

Run-De-Vous is a multi-distance running event held at Harvey Bear Ranch Park in San Martin, California. Scheduled for August 29, 2025, it offers a variety of race options including 100 miles, 100K, 50 miles, 50K, marathon, half marathon, and a 4-person 50-mile relay. The course is a fast 2-mile loop..

The SPASM Crystal Springs Trail Run takes place in Woodside, California, at Huddart Park, offering runners a scenic experience through towering redwoods, lush ferns, and trails in Huddart Park, King's Mountain, and Bear Gulch. The event features multiple distances: 8K, Half Marathon, 35K, Marathon,..