Los Angeles Marathon
- Results, photos, articles, archives, training, and FAQ. Online registration for marathon, bike tour, and 5K run walk.
- http://www.lamarathon.com/

South Pasadena Tiger Run
- 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.
- http://sptigerrun.com/

Running Wild
- Provides information on running and walking events in San Diego and Palm Springs, Southern California.
- http://www.runningwildps.com/Calendar.ivnu

Run For Rett
- A 5k charity run/walk in San Diego. Includes volunteer opportunities, registration details, stories of children suffering from Rett Syndrome,
- http://www.sdrett.org

The Relay - Calistoga to Santa Cruz
- 12 member teams run 199 miles through 36 cities and across the Golden Gate Bridge promoting organ donation through Organs 'R' Us.
- http://www.therelay.com/

The Great Race of Agoura
- A 10K, 5K, 2K and family fun run located in Agoura Hills. Site contains sponsors, registration details, contacts and race details.
- http://greatraceofagoura.com/

Trailblazer Race
- Friends of the Stevens Creek Trail sponsors the 10k, 5k and 4 mile nature walk located in Cupertino.
- http://www.stevenscreektrail.org/trailblazer/

Scripps Ranch Old Pros 4th of July Run
- An annual 10k and fun run in San Diego with pictures, results, registration and volunteers.
- http://www.srop.org/

Mount Shasta Mountain Runners
- Mt. Shasta fourth of July events include a two mile fun walk, youth race, five mile run and a wheelchair race.
- http://www.mtshastarunners.com/

Springville Apple Run
- Featuring a 10K, 5K, 2-mile and kids run with pictures, past results, course descriptions, registration and related links.
- http://springville.ca.us/applerun/