A 5K and 10K run/walk event at the California State University, Fullerton campus. Includes race fees, route maps, and online registration.

Supports North County Christian School in Atascadero, San Luis Obispo County. Also half-mile, mile and 2 mile race/walk events. Registration information, maps and sponsor list.

Mt. Shasta fourth of July events include a two mile fun walk, youth race, five mile run and a wheelchair race.

Hollywood Trail Run on dirt and paved roads with spectacular city views. Family Festival and Environmental Expo features live entertainment, celebrity appearances, nature walks, and food and drink booths.

A 5k charity run/walk in San Diego. Includes volunteer opportunities, registration details, stories of children suffering from Rett Syndrome,

Provides information on running and walking events in San Diego and Palm Springs, Southern California.

An annual 10k and fun run in San Diego with pictures, results, registration and volunteers.

The South Pasadena Tiger Run 5k and 10k road race is a non-profit event contested every December to raise money for the community's High School Booster Club.

Featuring a 10K, 5K, 2-mile and kids run with pictures, past results, course descriptions, registration and related links.

A 10K, 5K, 2K and family fun run located in Agoura Hills. Site contains sponsors, registration details, contacts and race details.

12 member teams run 199 miles through 36 cities and across the Golden Gate Bridge promoting organ donation through Organs 'R' Us.

Friends of the Stevens Creek Trail sponsors the 10k, 5k and 4 mile nature walk located in Cupertino.

Find and race through 12 checkpoints using only clues, your feet and public transit. Signup information, volunteer opportunities and announcements.