Ultras in California on Weekends
Santa Barbara, CA
Santa Barbara Nine Trails
Mar 15, 2025
Morgan Hill, CA
Rancho Hills Trail Run
Jul 5, 2025
San Luis Obispo, CA
La Cuesta Ranch Trail Run
Jan 25, 2025
Sausalito, CA
Rodeo Valley Trail Run
Aug 3, 2024
Headlands 50M Endurance Run
Aug 10, 2024
Rodeo Beach Trail Run
Aug 10, 2024
Golden Gate (Winter)
Feb 1, 2025
Marin Ultra Challenge
Mar 8, 2025
Mount Shasta, CA
Headwaters Trail Run
Jun 22, 2024
Sacramento, CA
Jed Smith Ultra
Feb 1, 2025
Big Bear Lake, CA
Holcomb Valley Trail Run
Jun 8, 2024
Kodiak Ultra Marathons
Oct 10, 2025
Oct 11, 2025
Agoura Hills, CA
No Name 5030 Trail Races
Oct 19, 2024
Fresno, CA
Feat to the Beach 200M Relay
Nov 18, 2023
Riverbank, CA
Captain s Winter Solstice Runaround
Nov 23, 2024
San Jose, CA
South Hills Single Track Trail Run
Sep 14, 2024
Mt Umunhum to Quicksilver Point to Point
Sep 28, 2024
Mt. Umunhum Trail Conquest
Oct 12, 2024
Almaden Hills Trail Run
Nov 2, 2024
Calero Trail Run
Dec 7, 2024
Hacienda Hills Run
Jan 4, 2025
Mt. Umunhum Trail Conquest
Feb 1, 2025
South Hills Single Track Trail Run - Spring
Mar 22, 2025
San Jose Spartan
Apr 5, 2025
Apr 6, 2025
Sierra Azul Trail Challenge
Apr 19, 2025
Hacienda Hills Run
May 3, 2025
Quicksilver Endurance Runs
May 10, 2025
Calero Trail Run
May 31, 2025
Mt. Umunhum Ultras
Jun 7, 2025
Almaden Hills Trail Run
Aug 16, 2025
Monterey, CA
Fort Ord Trail Run
Jan 25, 2025
Monterey Ultra
Jan 25, 2025
Golden State Trail Run
Jun 21, 2025
Cerritos, CA
Orange Curtain
Jun 21, 2025
Jun 20, 2025
South Lake Tahoe, CA
DeCelle Memorial Lake Tahoe Relay
Jun 7, 2025
Lake Tahoe Marathon Weekend
Oct 19, 2025
Oct 17, 2025
Oct 18, 2025
Calabasas, CA
Bulldog Trail Runs
Aug 17, 2024
Stinson Beach, CA
Mt. Tam Trail Run
Nov 16, 2024
Miwok 100K
May 3, 2025
Mill Valley, CA
Quad Dipsea
Nov 30, 2024
Pacifica, CA
Montara Mountain Trail Run
Feb 22, 2025
Walnut Creek, CA
Diablo Trails Challenge
Apr 5, 2025
Folsom, CA
Folsom Lake Sweetwater Trail Run
Jan 25, 2025
Folsom South Side Trail Run
Mar 15, 2025
American River 50 Mile Endurance Run
Apr 5, 2025
Folsom Lake Trail Run
May 3, 2025
Ridgecrest, CA
High Desert 50K Ultra & 30K
Dec 7, 2024
Santa Clarita, CA
Valencia Trail Race
Mar 22, 2025
Los Angeles, CA
Griffith Park Trail Races
Nov 2, 2024
Griffith Park Trail Run
Nov 2, 2024
Hollywood to the Sea Road & Trail Relay
May 3, 2025
Lake Hughes, CA
Leona Divide
Apr 12, 2025
Woodside, CA
Crystal Springs
Sep 1, 2024
Woodside Ramble
Dec 21, 2024
Crystal Springs (Winter) Trail Run
Jan 12, 2025
Woodside Crossover
Apr 12, 2025
Silverado, CA
That's No Moon
Sep 28, 2024
Muir Beach, CA
Tamalpa Headlands 50K
Aug 16, 2025
Bishop, CA
Bishop High Sierra Ultras
May 17, 2025
Kirkwood, CA
Kirkwood's Ultras
Aug 3, 2024
San Francisco, CA
Ruth Anderson Memorial Endurance Run
Oct 12, 2024
Pinkathon Challenge for Breast Cancer
Oct 19, 2024
Golden Gate SpartanTrail Classic
Nov 23, 2024
Golden Gate Trail Classic
Nov 23, 2024
Nov 24, 2024
SF One Day
Jun 7, 2025
San Francisco Marathon
Jul 27, 2025
Jul 26, 2025
Paso Robles, CA
Silver Moon Race: Paso Robles
Feb 24, 2024
Avalon, CA
Avalon Benefit 50 Mile
Jan 11, 2025
Wrightwood, CA
Angeles Crest 100 Mile Endurance Run
Aug 2, 2025
Santa Cruz, CA
San Lorenzo River Trail Run
Jul 13, 2024
Pasadena, CA
Pasadena Running Company 50K Relay
May 26, 2024
Lone Pine, CA
Wild Wild West Marathon
Oct 5, 2024
Truckee, CA
Big Chief 50K
Jul 21, 2024
Pollock Pines, CA
Trail Run at Sly Park
May 11, 2024
Trail Run at Sly Park Lake
Aug 24, 2024
Trail Run at Sly Park
Oct 26, 2024
Auburn, CA
No Hands Trail Run
Jan 11, 2025
FOURmidable
Feb 15, 2025
FOURmidable 50K
Feb 15, 2025
Sunset & Cider Trail Races
Sep 27, 2025
Clayton, CA
Diablo Trail Run
Sep 8, 2024
Calistoga, CA
Napa Valley Endurance Run
Apr 13, 2025
San Diego, CA
Black Mountain 50K
Jun 22, 2024
South Bay 24
Aug 17, 2024
Lake Hodges Trail Festival
Oct 19, 2024
Sri Chinmoy 6-hour Race
Nov 10, 2024
Dirty December Trail Run
Dec 15, 2024
Sycamore Canyon Trail Race
Feb 22, 2025
Pacific Crest Trail 50 (PCT 50)
May 10, 2025
Oakland, CA
Redwood (Spring) Trail Run
Mar 22, 2025
Cinderella Trail Run
Jun 1, 2025
Redwood (Summer) Trail Run
Aug 16, 2025
Castro Valley, CA
Lake Chabot
Nov 16, 2024
Redtail Ridge
Feb 15, 2025
SPASM Lake Chabot
Apr 12, 2025
Skyline 50K
Aug 3, 2025
Dick Collins Firetrails
Sep 27, 2025
Healdsburg, CA
Lake Sonoma 50
Apr 12, 2025
Mount Wilson, CA
Angeles National Forest Trail Race
Nov 2, 2024
Laguna Beach, CA
John Wayne Grit Series - Newport Coast
May 10, 2025
Reedley, CA
Silver Moon Race: Kings River
Apr 12, 2025
Escondido, CA
Del Dios Trail Race
Jan 5, 2025
San Diego 50 and Trail Runs
Jan 11, 2025
The Ranch 50K/Half Marathon
Feb 15, 2025
Borrego Springs, CA
Badwater Salton Sea
Apr 26, 2025
Hemet, CA
Boundiful Endurance Runs
Oct 5, 2024
Mariposa, CA
G-Bar Ultra and Trail Run
Apr 20, 2024
Los Olivos, CA
Back on the Ranch
Oct 5, 2024
Born To Run Ultra Marathons
May 17, 2025
May 16, 2025
May 14, 2025
May 15, 2025
Modjeska Canyon, CA
Harding Hustle Trail Runs
Jul 27, 2024
Barstow, CA
Calico Trail Run
Jan 26, 2025
Bradley, CA
Tierra Redonda Mountain Trail Run
Nov 16, 2024
Coloma, CA
Salmon Falls 50K
Feb 24, 2024
Forest Ranch, CA
Little Loco Relay
May 4, 2024
Jenner, CA
Salt Point Trail Run
Jul 12, 2025
Friant, CA
San Joaquin River Trail Run
Dec 7, 2024
Olympic Valley, CA
Western States Endurance Run
Jun 28, 2025
Foresthill, CA
Canyons Endurance Runs
Apr 25, 2025
Apr 26, 2025
Lakeshore, CA
China Peak Running Festival
Sep 6, 2025
Butte Meadows, CA
Loco Go Big or Go Home Challenge
Jun 1, 2024
Mendocino, CA
Mendocino Running Festival
Sep 7, 2024
Arnold, CA
Arnold Rim Trail Endurance Runs
Sep 28, 2024
Nevada City, CA
Yuba Gold Trail Runs
Oct 5, 2024
Julian, CA
Anza Borrego Cuyamaca 50 (ABC 50)
Dec 7, 2024
Old West Trail Runs
Mar 15, 2025
Oriflamme 50K
Apr 12, 2025
The Peak
Jul 12, 2025
Pine Valley, CA
Noble Canyon 50K
Sep 14, 2024
Loma Mar, CA
Groves Trail Run
Sep 7, 2024
La Honda, CA
Horseshoe Lake
Apr 21, 2024
Quincy, CA
Greenhorn Ranch Trail Run
Aug 17, 2024
Marinwood, CA
Big Alta
Mar 22, 2025
Pilot Hill, CA
Placer Trail Running Festival
Apr 12, 2025
Sat | Sun | Mon | Tue | Wed | Thu | Fri | Multiple |
1. Feat to the Beach 200M Relay
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Past DateNov 18, 2023Saturday
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200M run | 200M relay
More Information
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Fresno, CA
Fresno County, CA
2. Fort Ord Trail Run and Monterey Ultra
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Past DateJan 27, 2024Saturday
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50M, 50K, 25K, 10K trail run
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Salinas, CA
Monterey County, CA
3. Salmon Falls 50K
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Past DateFeb 24, 2024Saturday
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50K trail run
More Information
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Coloma, CA
El Dorado County, CA
4. Silver Moon Race: Paso Robles - Paso Robles
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Past DateFeb 24, 2024Saturday
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24H, 100M, 12H, 6H, 10K, 2M trail run | 24H, 100M, 12H, 6H relay
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Paso Robles, CA
San Luis Obispo County, CA
5. G-Bar Ultra and Trail Run
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Past DateApr 20, 2024Saturday
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29M, 13.1M trail run
More Information
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Mariposa, CA
Mariposa County, CA
6. Horseshoe Lake
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Past DateApr 21, 2024Sunday
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50K, 26.2M, 30K, 13.1M, 5M trail run | kids run
More Information
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La Honda, CA
San Mateo County, CA
7. Little Loco Relay
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Past DateMay 4, 2024Saturday
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65M relay
More Information
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Forest Ranch, CA
Butte County, CA
8. Paiute Meadows Trail Run
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Past DateMay 11, 2024Saturday
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50K, 13.6M, 4.5M trail run | 50K relay
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Susanville, CA
Lassen County, CA
9. Trail Run at Sly Park
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Past DateMay 11, 2024Saturday
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50K, 26.2M, 18M, 13.1M, 8.5M, 10K, 5K trail run
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Pollock Pines, CA
El Dorado County, CA
10. Corral Canyon Trail Scramble
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Past DateMay 18, 2024Saturday
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50K, 14M, 9M, 5M trail run
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Campo, CA
San Diego County, CA
11. Pasadena Running Company 50K Relay
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Past DateMay 26, 2024Sunday
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50K, 10K trail run | 50K relay
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Pasadena, CA
Los Angeles County, CA
12. Loco Go Big or Go Home Challenge
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Past DateJun 1, 2024Saturday
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100M, 100K, 50K, 13.1M, 10K run
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Butte Meadows, CA
Butte County, CA
13. Holcomb Valley Trail Run
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Past DateJun 8, 2024Saturday
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33M, 15M, 7M trail run
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Big Bear Lake, CA
San Bernardino County, CA
14. Black Mountain 50K
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Past DateJun 22, 2024Saturday
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50K, 25K, 13.1M trail run
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San Diego, CA
San Diego County, CA
15. Headwaters Trail Run
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Past DateJun 22, 2024Saturday
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50K, 30K, 10K trail run
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Mount Shasta, CA
Siskiyou County, CA
16. Dirty Dozen and Half Dozen Endurance Run
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Past DateJul 13, 2024Saturday
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12H, 6H trail run
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Pinole, CA
Contra Costa County, CA
17. San Lorenzo River Trail Run
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Past DateJul 13, 2024Saturday
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50K, 26.2M, 30K, 13.1M, 10K trail run | kids run
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Santa Cruz, CA
Santa Cruz County, CA
18. Big Chief 50K
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Past DateJul 21, 2024Sunday
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50K trail run
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Truckee, CA
Nevada County, CA
19. Harding Hustle Trail Runs
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Past DateJul 27, 2024Saturday
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50K, 30K, 15K trail run
More Information
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Modjeska Canyon, CA
Orange County, CA
20. Kirkwood's Ultras
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CancelledAug 3, 2024Saturday
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50K, 26.2M, 30K, 25K, 13.1M, 8M, 10K, 5K trail run
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Kirkwood, CA
El Dorado County, CA
For the love of all that Is good And moisture wicking...
Though we Try To be accurate And On top Of things... Race details can change When we aren't lookin. And once in a while we simply make a mistake.
ALWAYS visit the race's website for the most complete and accurate race information.
ALWAYS visit the race's website for the most complete and accurate race information.