| Month |
Race Name |
Events |
Location |
Near |
|
| January |
Calico Trail Run |
50 km, 30 km |
CA, United States |
Calico |
|
| January |
Brazen New Year's Day Half Marathon/10K/5K |
13.1 mi, 10 km, 5 km |
CA, United States |
Castro Valley |
|
| January |
Dirt Devils Wildhorse Trail Half Marathon and 5K Fun Run |
13.1 mi, 5 km |
CA, United States |
San Diego |
|
| January |
Wildhorse Half Marathon Trail Run |
13.1 mi |
CA, United States |
San Diego |
|
| January |
INTO THE WILD BLACK STAR CANYON 9.2K |
9.2 km |
CA, United States |
Orange |
|
| January |
Coyote Hills Half Marathon/10K/5K |
13.1 mi, 10 km, 5 mi |
CA, United States |
Fremont |
|
| January |
Ultra SLO Trail Series: Santa Margarita |
50 mi, 25 mi, 10 mi |
CA, United States |
|
|
| January |
Clikapudi Trail Runs |
13.1 mi |
CA, United States |
Redding |
|
| January |
The Bluffs 5K & 12K at San Onofre |
12 km, 5 km |
CA, United States |
Orange County |
|
| January |
Folsom Lake Sweetwater Trail Run |
50 km, 26.2 mi, 30 km, 13.1 mi, 9 mi, 10 km, 5 km |
CA, United States |
Folsom |
|
| January |
Hacienda Hills Trail Run - Winter |
50 km, 26.2 mi, 30 km, 13.1 mi, 9 mi, 10 km, 5 km |
CA, United States |
San Jose |
|
| January |
Horsethief Canyon Half Marathon |
13.1 mi |
CA, United States |
Alpine |
|
| January |
San Diego 50 & Trail Runs |
50 mi, 26.2 mi, 14.1 mi, 10 mi, 5 mi |
CA, United States |
San Diego |
|
| February |
Woodside Kings Mountain Half Marathon & 5 Mile |
13.1 mi, 5 mi |
CA, United States |
Woodside |
|
| February |
Bandit Ultra Trail Run |
50 km |
CA, United States |
Simi Valley |
|
| February |
Gettin Hitched Valentines 5K |
5 km |
CA, United States |
San Diego |
|
| February |
Bay Breeze Half Marathon/10K/5K |
13.1 mi, 10 km, 5 km |
CA, United States |
Fremont |
|
| February |
Hellyer Half Marathon/10K/5K |
13.1 mi, 10 km, 5 km |
CA, United States |
San Jose |
|
| February |
Quarry Lakes Family 5K and 10K |
10 km, 5 km |
CA, United States |
Fremont |
|
| February |
Love on the Rocks 5K & 10K Team Challenge |
10 km, 5 km |
CA, United States |
Chico |
|
| February |
Mt. Umunhum Trail Conquest |
50 km, 26.2 mi, 30 km, 13.1 mi, 7 mi, 5 km |
CA, United States |
San Jose |
|
| February |
Ranch to Ranch 2,5,10,15K Trail Run |
15 mi, 10 mi, 5 mi, 2 mi |
CA, United States |
Alpine |
|
| March |
Marin Trail 10K & 20K |
20 km, 10 km |
CA, United States |
San Rafael |
|
| March |
Marin Trail 10K & 20K - Runner Reports |
20 km, 10 km |
CA, United States |
San Rafael |
|
| March |
Way Too Cool 50K |
50 km |
CA, United States |
Cool |
|
| March |
Catalina Marathon |
26.2 mi, 10 km, 5 km |
CA, United States |
Avalon |
|
| March |
Romancing the Island |
25 km, 12 km |
CA, United States |
Tiburon |
|
| March |
Romancing the Island - Runner Reports |
25 km, 12 km |
CA, United States |
Tiburon |
|
| March |
Napa Valley Trail Marathon, Half Marathon & 10K |
26.2 mi, 13.1 mi, 10 km |
CA, United States |
Calistoga |
|
| March |
Diablo Trails Challenge |
32.1 mi |
CA, United States |
Walnut Creek |
|
| March |
Napa Valley Half marathon |
13 mi |
CA, United States |
Napa |
|
| March |
INTO THE WILD OC TRAIL RUN 10k/21k |
21 km, 10 km |
CA, United States |
Orange County |
|
| March |
Coyote Lake 5K, 10K, 15K Trail Run |
15 km, 10 km, 5 km |
CA, United States |
San Jose |
|
| March |
Woodside Ramble |
50 km, 36 km, 13.1 mi, 10 km |
CA, United States |
Woodside |
|
| March |
Badger Cove Half Marathon/10K/5K |
13.1 mi, 10 km, 5 km |
CA, United States |
Livermore |
|
| March |
Brazen Goonies Half Marathon/10K/5K |
13.1 mi, 10 km, 5 km |
CA, United States |
Vacaville |
|
| March |
Griffith Park Trail Marathon |
26.2 mi |
CA, United States |
Hollywood |
|
| March |
Coyote Backbone Trail Ultra |
100 mi, 68 mi |
CA, United States |
Mugu State Park |
|
| March |
Ramblas Run |
13 mi, 10 km, 5 km |
CA, United States |
Orange County |
|
| March |
Sanborn Trail Challenge |
13.1 mi, 8 mi, 4 mi |
CA, United States |
Saratoga |
|
| March |
Folsom Lake Southside Trail Run |
50 km, 21 mi, 13.1 mi, 9 mi, 10 km, 5 km |
CA, United States |
Folsom |
|
| March |
South Hills Single Track Trail Run |
50 km, 26.2 mi, 16 mi, 13.1 mi, 9 mi, 10 km, 5 km |
CA, United States |
San Jose |
|
| March |
Tesoro Viejo Spring Classic Half Marathon |
13.1 mi |
CA, United States |
Madera |
|
| April |
Golden Gate Headlands |
26.2 mi, 13.1 mi, 7 mi |
CA, United States |
Sausalito |
|
| April |
Muir Woods Marathon, 25K & 7 Mile |
26.2 mi, 25 km, 7 mi |
CA, United States |
Stinson Beach |
|
| April |
Diablo Trails Challenge 50K/Half Marathon/10K/5K |
50 km, 13.1 mi, 10 km, 5 km |
CA, United States |
Walnut Creek |
|
| April |
Ayala Cove Trail Run (5mi, 10mi, 15mi) |
15 mi, 10 mi, 5 mi |
CA, United States |
Tiburon |
|
| April |
Dirt Devils Racing Series Painted Rocks Half Marathon |
13.1 mi |
CA, United States |
San Diego |
|
| April |
Folsom Point Spring Trail Runs |
50 km, 22 mi, 25 km, 7 mi |
CA, United States |
Folsom |
|
| April |
Rancho Runs |
24 mi, 14 mi, 9 mi, 4 mi, 2.4 mi |
CA, United States |
Morgan Hill |
|
| April |
SLO Mountain Run 5K & 10K |
10 km, 5 km |
CA, United States |
San Luis Obispo |
|
| April |
Mercury Mine 7K, 12K, and 18K Trail Run |
18 km, 12 km, 7 km |
CA, United States |
San Jose |
|
| April |
Knickerbocker Canyon Trail Run |
13.1 mi, 10 km, 5 km |
CA, United States |
Cool |
|
| April |
Folsom Lake Trail Run |
50 km, 26.2 mi, 13.1 mi, 10 km |
CA, United States |
Folsom |
|
| April |
Foxy Half Marathon Trail Run |
13.1 mi |
CA, United States |
San Diego |
|
| April |
Diamond S Ranch 25k-50k "FREE RACE" |
31.2 mi |
CA, United States |
Portola |
|
| April |
Trail Less Traveled 5K and Quarter Marathon & ~14-Mile Trail Runs |
14 mi, 6.6 mi, 5 km |
CA, United States |
Chico |
|
| April |
Calistoga Trail Ramble |
10 mi, 10 km |
CA, United States |
Calistoga |
|
| April |
Leoni Meadows Trail Race Series |
13.1 mi, 5 km, 0.7 mi |
CA, United States |
Grizzly Flats |
|
| April |
Ahmanson 6/12K Trails |
12 km, 6 km |
CA, United States |
Los Angeles |
|
| April |
Angwin to Angwish - Napa Valley Trail Run |
13.1 mi, 10 km, 4 km |
CA, United States |
Napa |
|
| April |
Napa Valley 50K |
50 km, 20 mi |
CA, United States |
Calistoga |
|
| April |
Folsom Lake Falcon Crest Trail Run |
13.1 mi, 8 mi, 10 km, 5 km |
CA, United States |
Folsom |
|
| April |
Santa Teresa King Richard Annual Trail Run |
13.1 mi, 10 mi, 10 km, 5 km |
CA, United States |
San Jose |
|
| April |
California Gold Rush Trail Run |
13.1 mi, 15 km, 10 km, 5 km |
CA, United States |
Coloma |
|
| April |
Sierra Azul Trail Challenge |
50 km, 26.2 mi, 20 mi, 13.1 mi, 7 mi, 5 km |
CA, United States |
San Jose |
|
| April |
Big Sur Land Trust's Race for Open Space |
21 mi, 10 mi, 9.5 km, 8.5 km, 4 mi, 3.4 mi, 5 km, 2.4 mi |
CA, United States |
Salinas |
|
| April |
Annadel Half Marathon |
13.1 mi, 6.2 mi, 3.1 mi |
CA, United States |
Santa Rosa |
|
| April |
Bedrock Valley Trail Runs |
26.2 mi, 13.1 mi, 15 km, 5 km |
CA, United States |
San Bernardino |
|
| May |
XTERRA Malibu Creek Trail Challenge Scramble |
14 mi, 4 mi |
CA, United States |
Calabasas |
|
| May |
Spring Salmon Run |
10 km |
CA, United States |
Nevada City |
|
| May |
Mt Wilson Trail Race |
8.6 mi |
CA, United States |
Sierra Madre |
|
| May |
DRTE 100 Mile/100K |
100 mi, 100 km, 50 km |
CA, United States |
Santa Barbara |
|
| May |
Cinderella Trail Run (5 Mile, Half Marathon, 30K, Marathon, 50K) |
50 km, 26.2 mi, 30 km, 13.1 mi, 5 mi |
CA, United States |
Oakland |
|
| May |
Big Trees Trail Run |
50 km, 30 km, 13.1 mi, 10 km |
CA, United States |
Oakland |
|
| May |
China Camp Trail Run |
13.1 mi, 10 km, 5 km |
CA, United States |
San Rafael |
|
| May |
Into the Wildlands Limestone Eco Challenge 12k/20k |
20 km, 12 km |
CA, United States |
Orange |
|
| May |
Cougar Half Marathon Trail Run |
13.1 mi |
CA, United States |
San Diego |
|
| May |
Ring the Bell Trail Run |
16 mi, 8 mi |
CA, United States |
Rancho Santa Margarita |
|
| May |
Western Pacific Marathon/Half Marathon/10K/5K |
26.2 mi, 13.1 mi, 10 km, 5 km |
CA, United States |
Fremont |
|
| May |
Wildcat Half Marathon/10K/5K |
13.1 mi, 10 km, 5 km |
CA, United States |
El Sobrante |
|
| May |
Nitro Trail Half Marathon/10K/5K |
13.1 mi, 10 km, 5 km |
CA, United States |
Pinole |
|
| May |
Mount Diablo Trail Run (Summer) |
50 km, 25 km, 8 km |
CA, United States |
Clayton |
|
| May |
Armstrong Redwoods/Austin Creek Trail Run |
50 km, 30 km, 17 km, 9 km |
CA, United States |
Guerneville |
|
| May |
Hood Mountain Vertical Challenge |
9 mi |
CA, United States |
Santa Rosa |
|
| May |
Ancient Redwood Running Festival |
12 mi, 10 mi, 6 mi, 5 mi |
CA, United States |
|
|
| May |
Soboba Trail Race |
25 km, 10 km, 5 km |
CA, United States |
San Jacinto |
|
| May |
The Lone Coyote 8 Mile Dash |
8 mi |
CA, United States |
San Francisco |
|
| May |
Sasquatch Trail 5k and Kids Race |
3.4 mi |
CA, United States |
Fresno |
|
| May |
Wildflower 10.7 Mile Trail Run |
10.7 mi |
CA, United States |
Bradley |
|
| May |
Mother's Day Weekend Meso Run |
5 km |
CA, United States |
Los Angeles |
|
| May |
Quicksilver 100K and 50K |
100 km, 50 km |
CA, United States |
San Jose |
|
| May |
John Wayne Grit Series – Pioneertown, CA Half Marathon & 10k |
13.1 mi, 10 km |
CA, United States |
San Bernardino |
|
| May |
Hacienda Hills Run |
50 km, 26.2 mi, 13.1 mi, 9 mi, 10 km, 5 km |
CA, United States |
San Jose |
|
| May |
Sly Park Lake Trail Run |
50 km, 26.2 mi, 18 mi, 13.1 mi, 8.5 mi, 10 km, 5 km |
CA, United States |
Pollock Pines |
|
| May |
Placerville Path Memorial Day Run |
13.1 mi, 15 km, 10 km, 5 km |
CA, United States |
Placerville |
|
| May |
Big Sur Land Trust's Race for Open Space Adventure Course |
21 mi, 9.5 mi, 8.5 mi, 2 mi |
CA, United States |
Monterey |
|
| May |
Giddy Up 5k |
5 km |
CA, United States |
Temecula |
|
| May |
Hollywood to the Sea Road & Trail Relay |
75 mi |
CA, United States |
Hollywood |
|
| May |
Hollywood to the Sea |
75 mi |
CA, United States |
Los Angeles |
|
| June |
Western States Endurance Run |
100 mi |
CA, United States |
Auburn |
|
| June |
Holcomb Valley 33/15 Mile Trail Run |
33 mi, 15 mi |
CA, United States |
Big Bear Lake |
|
| June |
Woodminster Cross Country Race |
9 mi |
CA, United States |
Oakland |
|
| June |
Double Dipsea (Walt Stack DSE Double Dipsea) |
13.7 mi |
CA, United States |
Stinson Beach |
|
| June |
Xterra Marin Headlands Trail Run |
21 km, 7 km |
CA, United States |
San Francisco |
|
| June |
San Lorenzo River Trail Run (10 Km, Half Marathon, 30 Km, Marathon, 50 Km) |
50 km, 26.2 mi, 30 km, 13.1 mi, 10 km |
CA, United States |
Santa Cruz |
|
| June |
Dirt Devil Racing Series Coyote 5K |
5 km |
CA, United States |
San Diego |
|
| June |
Pacifica Foothills Trail Run |
26.2 mi, 13.1 mi, 10 km, 5 km |
CA, United States |
Pacifica |
|
| June |
ITR Marin Ultra Challenge |
50 mi, 50 km |
CA, United States |
Sausilito |
|
| June |
Coyote 5K Trail Run |
5 km |
CA, United States |
San Diego |
|
| June |
Trail Quake Half Marathon/10K/5K |
13.1 mi, 10 km, 5 km |
CA, United States |
Saratoga |
|
| June |
Cirque Du Griffith 6/12 hour |
2.5 mi |
CA, United States |
Los Angeles |
|
| June |
Valley Crest Half Marathon & 10k |
13.1 mi, 10 km |
CA, United States |
Los Angeles |
|
| June |
Calero Trail Run |
50 km, 25 km, 13.1 mi, 15 km, 10 km, 5 km |
CA, United States |
San Jose |
|
| June |
Mt. Umunhum Ultras |
100 km, 50 mi, 50 km, 26.2 mi, 30 km, 13.1 mi, 9 mi, 10 km, 5 km |
CA, United States |
San Jose |
|
| June |
John Wayne Grit Series Newport Coast 25K & 5K |
25 km, 5 km |
CA, United States |
Orange County |
|
| June |
Mississippi Bar Trail Run |
10 km |
CA, United States |
Sacramento |
|
| July |
The Kirkwood Klimb Mountain Trail Run |
10 km, 5 km |
CA, United States |
Kirkwood |
|
| July |
Dirt Devil Racing Series Sidewinder 10K |
10 km |
CA, United States |
San Diego |
|
| July |
Sidewinder 10K Trail Run |
10 km |
CA, United States |
San Diego |
|
| July |
Dirty Dozen & Half Dozen 12 & 6 Hr Endurance Run w/ Dirty 10K/5K |
50 mi, 50 km, 26.2 mi, 25 km, 13.1 mi, 10 km, 5 km |
CA, United States |
Pinole |
|
| July |
Bad Bass Half Marathon/10K/5K |
13.1 mi, 10 km, 5 km |
CA, United States |
Castro Valley |
|
| July |
Pacifica Trail Run |
50 km, 30 km, 21 km, 9 km |
CA, United States |
Pacifica |
|
| July |
Black Mountain 50k |
50 km, 25 km |
CA, United States |
San Diego |
|
| July |
Ragnar Trail Tahoe-CA, Presented by Salomon |
120 mi |
CA, United States |
Truckee |
|
| July |
Rancho Hills Trail Run |
50 km, 26.2 mi, 30 km, 13.1 mi, 10 mi, 10 km, 5 km |
CA, United States |
Morgan Hill |
|
| July |
Kirkwood Thunder Mountain Trail Challenge |
50 km, 30 km, 13.1 mi, 8 mi, 10 km, 5 km |
CA, United States |
Kirkwood |
|
| August |
Bulldog 50K Ultra / 25K Trail Run |
50 km, 25 km |
CA, United States |
Calabasas |
|
| August |
Golden Gate Headlands 50K |
50 km |
CA, United States |
Sausalito |
|
| August |
Angeles Crest 100-Mile Endurance Run |
100 mi |
CA, United States |
Wrightwood |
|
| August |
BULLDOG 25K MALIBU CANYON |
25 km, 8 mi |
CA, United States |
Malibu |
|
| August |
The East Bay Enchantment |
10 mi, 10 km, 5 km |
CA, United States |
Castro Valley |
|
| August |
The Northstar at Tahoe Nirvana Mountain Trail Run |
10 km |
CA, United States |
Truckee |
|
| August |
Squaw Valley Mountain Run |
3.6 mi |
CA, United States |
Truckee |
|
| August |
Cinderella Trail Run (5 Mile, Half Marathon, 30K, Marathon, 50K) |
50 km, 26.2 mi, 30 km, 13.1 mi, 5 mi |
CA, United States |
Oakland |
|
| August |
Dirt Devil Racing Series Stairway to Heaven 15K |
15 km |
CA, United States |
San Diego |
|
| August |
Into the Wild Rockin' Summer Run 8k #2 |
8 km |
CA, United States |
Orange |
|
| August |
Into the Wild Rockin' Summer Run 8k #3 |
8 km |
CA, United States |
Orange |
|
| August |
Into the Wild Rockin' Summer Run 8k #1 |
5 km |
CA, United States |
Orange |
|
| August |
Stairway to Heaven 15K Trail Run |
15 km |
CA, United States |
San Diego |
|
| August |
Run by the Sea |
12 km |
CA, United States |
Santa Cruz |
|
| August |
Summer Breeze Half Marathon/10K/5K |
13.1 mi, 10 km, 5 km |
CA, United States |
San Leandro |
|
| August |
Bear Creek Half Marathon/10K/5K |
13.1 mi, 10 km, 5 km |
CA, United States |
Martinez |
|
| August |
Montana de Oro Trail Runs |
50 km, 25 km, 12 km, 8 km |
CA, United States |
Los Osos |
|
| August |
Salt Point Trail Run |
50 km, 26 km, 11 km |
CA, United States |
Jenner |
|
| August |
Race Thru The Redwoods |
6.2 mi, 1 mi |
CA, United States |
Felton |
|
| August |
Skyline 50K Endurance Run |
50 km |
CA, United States |
Castro Valley |
|
| August |
11,053' Summer Ezakimak Challenge |
5 km |
CA, United States |
Bishop |
|
| August |
Bulldog 50K Ultra & 25K Trail Runs |
50 km, 25 km |
CA, United States |
Los Angeles |
|
| August |
Kirkwood's Ultras |
100 km, 46 mi, 50 km |
CA, United States |
Kirkwood |
|
| August |
Sly Park Lake Trail Run - Summer |
50 km, 26.2 mi, 18 mi, 13.1 mi, 8.5 mi, 10 km, 5 km |
CA, United States |
Pollock Pines |
|
| August |
Almaden Hills Trail Run - Summer |
50 km, 26.2 mi, 30 km, 13.1 mi, 8 mi, 10 km, 5 km |
CA, United States |
San Jose |
|
| September |
Sierra Nevada Endurance Runs 12K/Marathon |
26.2 mi, 12 km |
CA, United States |
Sacramento |
|
| September |
Redwood Park Trail Run |
50 km, 30 km, 20 km, 10 km |
CA, United States |
Oakland |
|
| September |
The Napa Valley Stomp 1/2 marathon, 10k and 5k Trail Run |
13.1 mi, 10 km, 5 km |
CA, United States |
Napa |
|
| September |
Sunrise over Sonoma Trail Run |
10 mi, 5 mi |
CA, United States |
Healdsburg |
|
| September |
Lagoon Valley Trail Run |
10 km, 5 km |
CA, United States |
Vacaville |
|
| September |
Leona Valley Trail Races |
26.2 mi, 13.1 mi, 10 km, 5 km |
CA, United States |
Lake Hughes |
|
| September |
Dirty Invitational Marathon |
26.2 mi |
CA, United States |
San Diego |
|
| September |
Trail Hog Half Marathon/10K/5K |
13.1 mi, 10 km, 5 km |
CA, United States |
San Jose |
|
| September |
Drag-N-Fly Half Marathon/10K/5K |
13.1 mi, 10 km, 5 km |
CA, United States |
Anticoh |
|
| September |
Headlands Marathon, 50, 75 & 100 Mile Endurance Run |
100 mi, 75 mi, 50 mi, 26.2 mi |
CA, United States |
Rodeo Beach |
|
| September |
Night Sweats Trail Run |
26.2 mi, 15 km |
CA, United States |
Rodeo Beach |
|
| September |
Tahoe 200 Mile Endurance Run |
202 mi |
CA, United States |
Tahoe City |
|
| September |
Island View Trail race |
10 mi, 4 mi |
CA, United States |
Santa Barbara |
|
| September |
South Hills Single Track Trail Run - Fall |
50 km, 26.2 mi, 16 mi, 13.1 mi, 9 mi, 10 km, 5 km |
CA, United States |
San Jose |
|
| September |
Mt. Baldy Run-to-the-Top |
7.1 mi |
CA, United States |
Claremont |
|
| October |
Dick Collins Firetrails 50 |
50 mi |
CA, United States |
Castro Valley |
|
| October |
Carmel Valley Trail Run |
50 km, 25 km, 19 km, 8 km |
CA, United States |
Carmel Valley |
|
| October |
Big Sur Trail Marathon, Half Marathon & 5 Mile |
26.2 mi, 13.1 mi, 5 mi |
CA, United States |
Big Sur |
|
| October |
San Diego 100 Mile Endurance Run |
100 mi |
CA, United States |
Lake Morena |
|
| October |
Whiskeytown Trail Runs |
50 km, 30 km, 8.3 mi, 1 mi |
CA, United States |
Redding |
|
| October |
Napa Valley Wine Country Marathon, Half Marathon & 10K |
26.2 mi, 13.1 mi, 10 km |
CA, United States |
Calistoga |
|
| October |
Stinson Beach Trail Run |
50 km, 30 km, 20 km, 12 km |
CA, United States |
Stinson Beach |
|
| October |
Twin Peaks Ultra 50/50 |
50 mi, 50 km |
CA, United States |
South Corona |
|
| October |
Mount Tamalpais 10k Trail Run |
10 km |
CA, United States |
Mill Valley |
|
| October |
Bizz Johnson Trail Marathon (Express Half Marathon, 10 Km, Half Marathon & Marathon) |
26.2 mi, 13.1 mi, 10 km |
CA, United States |
Susanville |
|
| October |
Dirt Devil Racing Series Raptor Ridge Half Marathon |
13.1 mi |
CA, United States |
San Diego |
|
| October |
Santa Cruz Island Eco-Extreme Trail Half Marathon |
13.1 mi |
CA, United States |
Mugu State Park |
|
| October |
Twilight's Last Gleaming Cross Country Challenge |
4 mi |
CA, United States |
Ventura |
|
| October |
Raptor Ridge Half Marathon Trail Run |
13.1 mi |
CA, United States |
San Diego |
|
| October |
Quicksilver Challenge |
13.1 mi |
CA, United States |
San Jose |
|
| October |
Skyline to the Sea |
50 km |
CA, United States |
Boulder Creek |
|
| October |
Brazen Rocky Ridge Half Marathon Championship/10K/5K |
13.1 mi, 10 km, 5 km |
CA, United States |
San Ramon |
|
| October |
Tahoe XC's Fall into Winter Trail Runs |
21 km, 10.5 km, 7 km, 2 km |
CA, United States |
Tahoe City |
|
| October |
Ragnar Trail Vail Lake |
115 mi |
CA, United States |
San Diego |
|
| October |
Pasadena 5k/10k |
10 km, 5 km |
CA, United States |
Pasadena |
|
| October |
Sac River Trail Races |
26.2 mi, 15 km, 1 mi |
CA, United States |
Redding |
|
| October |
Elfin Forest Keepin' It Rural 5K/10K Trail run/hike |
10 km, 5 km |
CA, United States |
San Diego |
|
| October |
Heart of Cool Trail Run |
13.1 mi, 10 km, 5 km |
CA, United States |
Cool |
|
| October |
No Name 5030 |
50 mi, 50 km, 30 km, 15 km |
CA, United States |
Agoura Hills |
|
| October |
Paradise Trail Runs |
9 mi, 4 mi |
CA, United States |
Chico |
|
| October |
Sonoma Ultra 50K and Half Marathon |
50 km, 13.1 mi |
CA, United States |
Santa Rosa |
|
| October |
Bay Ridge Endurance Runs |
100 km, 50 mi, 26.2 mi |
CA, United States |
Castro Valley |
|
| October |
Rocky Peak Ultra Trail Race |
50 km, 30 mi |
CA, United States |
Los Angeles |
|
| October |
John Wayne Grit Series – Lone Pine Half Marathon & 10K, Lone Pine, CA |
13.1 mi, 10 km |
CA, United States |
Fresno |
|
| October |
Rancho Canada del Oro Trail Challenge |
30 km, 13.1 mi, 8 mi, 10 km, 5 km |
CA, United States |
Morgan Hill |
|
| October |
California Gold Rush Trail Run - Fall |
13.1 mi, 15 km, 10 km, 5 km |
CA, United States |
Coloma |
|
| October |
Lake Hodges Trail Festival |
50 km, 15 km, 10 km, 5 km |
CA, United States |
San Diego |
|
| November |
Into the Wild HPN Trail Running Championship 12k/20k |
20 km, 12 km |
CA, United States |
Orange |
|
| November |
Stinson Beach Marathon |
26.2 mi, 25 km, 7 mi |
CA, United States |
Stinson Beach |
|
| November |
XTERRA Topanga Turkey Trot |
15 km, 10 km, 5 km |
CA, United States |
Calabasas |
|
| November |
Quad Dipsea |
28.4 mi |
CA, United States |
Mill Valley |
|
| November |
Run the River Marathon & Ultramarathon |
50 km, 26 mi |
CA, United States |
Folsom |
|
| November |
McNally's Trail Burger Run and Walk |
26.2 km |
CA, United States |
Kernville |
|
| November |
Nitro Turkey Thanksgiving Run 5K, 10K, Little Turkeys Race |
10 km, 5 km |
CA, United States |
Pinole |
|
| November |
Griffith Park Trail Half Marathon |
13.1 mi |
CA, United States |
Hollywood |
|
| November |
Quarry Turkey Thanksgiving Half Marathon/10K/5K & Little Turkeys Race |
13.1 mi, 10 km, 5 km, 0.1 mi |
CA, United States |
Fremont |
|
| November |
Diablo Trail Adventure Half Marathon/10K/5K/Family Hike |
13.1 mi, 10 km, 5 km, 2 mi |
CA, United States |
Walnut Creek |
|
| November |
Ragnar Trail Los Coyotes-CA, Presented by Salomon |
120 mi |
CA, United States |
San Diego |
|
| November |
Whoos in el moro trail races |
50 km, 25 km, 10 km |
CA, United States |
Orange County |
|
| November |
The North Face Endurance Challenge |
50 mi, 50 km, 26.2 mi, 26.2 mi, 13.1 mi, 10 km, 5 km |
CA, United States |
San Francisco |
|
| November |
Almaden Hills Trail Run - Fall |
50 km, 26.2 mi, 30 km, 13.1 mi, 8 mi, 10 km, 5 km |
CA, United States |
San Jose |
|
| November |
Sly Park Lake Trail Run - Fall |
50 km, 26.2 mi, 18 mi, 13.1 mi, 8.5 mi, 10 km, 5 km |
CA, United States |
Pollock Pines |
|
| December |
OTHTC High Desert 50 km Ultra & 30km |
50 km, 30 km |
CA, United States |
Ridgecrest |
|
| December |
Death Valley Trail Marathon & 30K |
26.2 mi, 30 km |
CA, United States |
Death Valley |
|
| December |
Hark the Herald Angels Run 12K & 25K |
25 km, 12 km |
CA, United States |
Tiburon |
|
| December |
Rodeo Beach Trail Run |
50 km, 30 km, 20 km, 8 km |
CA, United States |
Rodeo Beach |
|
| December |
Summit Rock Half Marathon/10K/5K |
13.1 mi, 10 km, 5 km |
CA, United States |
Saratoga |
|
| December |
Brazen New Year's Eve Half Marathon/10K/5K |
13.1 mi, 10 km, 5 km |
CA, United States |
Castro Valley |
|
| December |
Woodside Trail Run |
50 km, 35 km, 17 km, 10 km |
CA, United States |
Woodside |
|
| December |
Calero Trail Run - Winter |
50 km, 26.2 mi, 25 km, 13.1 mi, 15 km, 10 km, 5 km |
CA, United States |
San Jose |
|
| December |
Placerville's Holiday Jingle & Mingle Run |
13.1 mi, 15 km, 10 km, 5 km |
CA, United States |
Placerville |
|
