California
Running > Trail Running > California
By City
San Diego (5)
Folsom (4)
San Jose (4)
Santa Cruz (4)
Santa Rosa (4)
Auburn (3)
Castro Valley (3)
Gilroy (3)
Palo Alto (3)
Truckee (3)
Walnut Creek (3)
Arnold (2)
Concord (2)
Fairfield (2)
Los Angeles (2)
Marin (2)
Riverside (2)
Whittier (2)
Woodside (2)
Angels Camp (1)
Folsom (4)
San Jose (4)
Santa Cruz (4)
Santa Rosa (4)
Auburn (3)
Castro Valley (3)
Gilroy (3)
Palo Alto (3)
Truckee (3)
Walnut Creek (3)
Arnold (2)
Concord (2)
Fairfield (2)
Los Angeles (2)
Marin (2)
Riverside (2)
Whittier (2)
Woodside (2)
Angels Camp (1)
Angwin (1)
Arcata (1)
Berkeley (1)
Brea/chino Hills (1)
Calistoga (1)
Chico (1)
Cobb (1)
Cupertino (1)
Danville (1)
Downieville (1)
Fort Bragg (1)
Granite Bay (1)
Hacienda Heights (1)
Kirkwood (1)
Lake Elsinore (1)
Livermore (1)
Los Gatos (1)
Magalia (1)
Mendocino/fort Bragg (1)
Modesto (1)
Arcata (1)
Berkeley (1)
Brea/chino Hills (1)
Calistoga (1)
Chico (1)
Cobb (1)
Cupertino (1)
Danville (1)
Downieville (1)
Fort Bragg (1)
Granite Bay (1)
Hacienda Heights (1)
Kirkwood (1)
Lake Elsinore (1)
Livermore (1)
Los Gatos (1)
Magalia (1)
Mendocino/fort Bragg (1)
Modesto (1)
Monterey (1)
Napa (1)
Newbury Park (1)
Newport Beach (1)
Olema (1)
Orange (1)
Pasadena (1)
Petaluma (1)
Pollock Pines (1)
San Luis Obispo (1)
San Rafael (1)
San Ramon (1)
Simi Valley (1)
Sly Park (1)
Tahoe (1)
Tahoe City (1)
Tiburon (1)
Vacaville (1)
Napa (1)
Newbury Park (1)
Newport Beach (1)
Olema (1)
Orange (1)
Pasadena (1)
Petaluma (1)
Pollock Pines (1)
San Luis Obispo (1)
San Rafael (1)
San Ramon (1)
Simi Valley (1)
Sly Park (1)
Tahoe (1)
Tahoe City (1)
Tiburon (1)
Vacaville (1)
| Name of Trail Run | City | Rating | Run length |
| Alum Rock Park | San Jose |  |
5 |
| Anadel Trails | Santa Rosa |  |
35 |
| Annadel State Park | Santa Rosa | |
35 |
| Anthony Chabot Regional Park | Castro Valley | |
19 |
| Arastradero Preserve | Palo Alto | |
8 |
| Arcata Community Forest | Arcata | |
15 |
| Arnold Rim Trail | Arnold | |
10 |
| Big Laguna Trail | San Diego | |
8 |
| Big River Bike/hike/horse Trail | Mendocino/fort Bragg | |
10 |
| Big Sycamore Canyon | Newbury Park | |
12 |
| Birm trail | Concord | |
2 |
| Bishop Ranch Open Space | San Ramon | |
10 |
| Boggs forest | Cobb | |
0 |
| Bolinas Ridge | Olema | |
23 |
| Borges Ranch Loop | Walnut Creek | |
5 |
| Briones Regional Park | Walnut Creek | |
25 |
| Camp Tamarancho | Marin | |
10 |
| Cheseboro | Simi Valley | |
12 |
| China Camp | Marin | |
12 |
| Christmas Hill Garlic Ride | Gilroy | |
9 |
| Clementine Loop | Auburn | |
11 |
| Clementine/forresthill Connector Trail | Auburn | |
4 |
| De Laveaga | Santa Cruz | |
10 |
| De Valle Regional Park | Livermore | |
25 |
| Dry Creek Trail | Modesto | |
9 |