List of annual foot races in California

Alameda County

Berkeley:

• Berkeley Half Marathon, 10K, 5K

Castro Valley:

• Dick Collins Firetrails 50 Mile
• Eden Medical Center Run to the Lake 10K, 5K

Oakland:

• The Town's Half Marathon, 5K
• Oakland Running Festival: Marathon, Half Marathon, 5K

Contra Costa County

Danville:

• Devil Mountain Run, 5K, 10K

Mount Diablo State Park:

• Mount Diablo Summer Trail Run 50K, 25K, 8K

San Ramon:

• Primo's Run for Education Half-Marathon, 5K

Walnut Creek:

• Forma Gym Turkey Trot, 5K, 10K

Lafayette:

• Lafayette Reservoir Run, 5K, 10K (last Sunday in October every year)

Marin County

• Marin County Half Marathon, 10K & 5K
• Golden Gate Headlands Marathon, 1/2 Marathon, 7 Mile

Angel Island:

• Angel Island New Year's 8K, 16K, 25K, 50K

Mill Valley:

• Dipsea Race

Muir Beach:

• Headlands 50k

Sausalito:

• Miwok 100K Trail Race

Stinson Beach:

• Muir Woods Marathon, 25K, 7 Mile
• Stinson Beach Marathon, 25K, 7 Mile

San Francisco

• Awesome '80s Run 5K Awesome '80s Run Website
• Across the Bay 12K
• Bay to Breakers 12K
• Bridge to Bridge
• Coastal 5k & Festival
• Embarcadero 10K
• Golden Gate Park 10K
• Kaiser Permanente San Francisco 1/2 Marathon, 5K
• King Oscar Presidio Trails Run 5K/10K
• Mermaid San Francisco 5K/10K
• Mission Rock 5K
• Nike Women's Marathon
• Polo Field 5K
• Run For Arctic Awareness 10K
• Run Wild (formerly Run to the Far Side)
• San Francisco Marathon
• Walt Stack 10K
• Windmill 10K

San Luis Obispo County

San Luis Obispo:

• San Luis Obispo Marathon, Half Marathon, and 5K (SLO Marathon)
• Run For Music 5k/10k (Run For Music)

Paso Robles:

• Wine Vine Run Half Marathon 5K

San Mateo County

Pacifica, California:

• Coastal 5k Family Fun Run & Festival http://pacresourcecenter.org/blog/?p=459

Pescadero:

• Artichoke 1/2 Marathon, 10K

San Mateo:

• President's Day Castaway 10K, 5K
• Laurel Family Fun Run, 5K Register Online

South San Francisco:

• Thanksgiving Fun Run & Stride, 5K

Santa Clara County

Cupertino:

• Stevens Creek 50K

Morgan Hill:

• Mushroom Mardi Gras Festival and Run (10K and 5K) Saturday of Memorial Weekend May 26, 2012,

Mountain View:

• Mermaid Mountain View Run 5K,10K, Half Marathon
• Human Race 10K, 5K (cancelled as of 2009)

Palo Alto:

• Moonlight Run
• Skyline Ridge 1/2 Marathon, 10K

San Jose:

• Quicksilver 50 Mile, 50K, 25K

Sonoma County

Jenner:

• Salt Point 50K, 26K, 11K