SF Half Day

Take on scenic dirt trails and choose from 5K, 10K, half marathon, or the summit 30K at the Diablo Summit Stomp in Walnut Creek. Walkers welcome and well stocked aid stations keep you fueled as you climb toward Mount Diablo.

The Running Dead 5K Fun Run in Union City, California, is a Halloween-themed community race at Civic Center/City Hall (34009 Alvarado-Niles Road). It offers a 5K open to adults and a 5K Youth option for younger runners. The course follows t..

The 27th Annual Matt Yeo Memorial Aggie XC Open, presented by the HOKA Aggies, is held at Radke Martinez Regional Shoreline in Martinez, California. The meet features three 4.1-mile cross-country races for Women, Masters Men, and Open Men,..

Event overview The Haunted Hills 5K & 10K is a Halloween-themed walking and running event in Redwood City, CA, on October 25, 2025. It is organized as a trick-or-treat style course for adults and families. Participants form teams of 1 t..

Join the Oakland Hills Trail Run on October 25 2025 at Redwood Regional Park with 35K, half marathon or 10K options on scenic technical trails. Limited to 300 runners, finishers earn a custom medal and enjoy well stocked aid stations.

The 39th Golden Gate Park XC Open, held at Lindley Meadow (30th Ave & JFK Dr) in San Francisco's Golden Gate Park, is a 5k cross-country race over grass, dirt, and rolling hills. It features Masters Women 40+ and Masters Men 40+ along with..