Upcoming Ultras in California
Santa Barbara, CA
Santa Barbara Nine Trails
Mar 15, 2025
Morgan Hill, CA
Rancho Hills Trail Run
Jul 6, 2024
Sausalito, CA
Rodeo Valley Trail Run
Aug 3, 2024
Headlands 50M Endurance Run
Aug 10, 2024
Rodeo Beach Trail Run
Aug 10, 2024
Mount Shasta, CA
Headwaters Trail Run
Jun 22, 2024
Big Bear Lake, CA
Holcomb Valley Trail Run
Jun 8, 2024
Kodiak Ultra Marathons
Oct 11, 2024
Oct 12, 2024
Agoura Hills, CA
No Name 5030 Trail Races
Oct 19, 2024
Huntington Beach, CA
Ragnar So Cal
Apr 11, 2025
Granite Bay, CA
Rio Del Lago 100 Mile Endurance Run
Nov 2, 2024
San Jose, CA
Quicksilver Endurance Runs
May 11, 2024
Calero Trail Run
Jun 1, 2024
Mt. Umunhum Ultras
Jun 8, 2024
Almaden Hills Trail Run
Aug 17, 2024
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
New Year's One Day
Dec 31, 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
Monterey, CA
Golden State Trail Run
Jun 29, 2024
Fort Ord Trail Run
Jan 25, 2025
Monterey Ultra
Jan 25, 2025
Cerritos, CA
Orange Curtain
Jun 22, 2024
Jun 21, 2024
South Lake Tahoe, CA
DeCelle Memorial Lake Tahoe Relay
Jun 8, 2024
Lake Tahoe Marathon Weekend
Oct 20, 2024
Oct 18, 2024
Oct 19, 2024
Calabasas, CA
Bulldog Trail Runs
Aug 17, 2024
Stinson Beach, CA
Mt. Tam Trail Run
Nov 16, 2024
Mill Valley, CA
Quad Dipsea
Nov 30, 2024
Santa Clarita, CA
Valencia Trail Race
Mar 22, 2025
Woodside, CA
Crystal Springs
Sep 1, 2024
Silverado, CA
That's No Moon
Sep 28, 2024
Muir Beach, CA
Tamalpa Headlands 50K
Aug 17, 2024
Bishop, CA
Bishop High Sierra Ultras
May 18, 2024
Kirkwood, CA
Kirkwood's Ultras
Aug 3, 2024
San Francisco, CA
SF One Day
Jun 15, 2024
San Francisco Marathon
Jul 28, 2024
Jul 27, 2024
Ruth Anderson Memorial Endurance Run
Oct 12, 2024
Pinkathon Challenge for Breast Cancer
Oct 19, 2024
Golden Gate Trail Classic
Nov 23, 2024
Nov 24, 2024
Avalon, CA
Avalon Benefit 50 Mile
Jan 11, 2025
Wrightwood, CA
Angeles Crest 100 Mile Endurance Run
Aug 3, 2024
Santa Cruz, CA
San Lorenzo River Trail Run
Jul 13, 2024
Pasadena, CA
Pasadena Running Company 50K Relay
May 26, 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
Aug 25, 2024
Trail Run at Sly Park
Oct 26, 2024
Clayton, CA
Diablo Trail Run
Sep 8, 2024
Salinas, CA
Spartan Trail - Monterey
Jun 2, 2024
Coronado, CA
Ragnar So Cal
Apr 11, 2025
San Diego, CA
Pacific Crest Trail 50 (PCT 50)
May 11, 2024
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 14, 2024
Castro Valley, CA
Skyline 50K
Aug 4, 2024
Dick Collins Firetrails
Sep 28, 2024
Lake Chabot
Nov 16, 2024
Redtail Ridge
Feb 15, 2025
Healdsburg, CA
Lake Sonoma 50
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 19, 2025
Los Olivos, CA
Born To Run Ultra Marathons
May 18, 2024
May 17, 2024
May 15, 2024
May 16, 2024
Back on the Ranch
Oct 5, 2024
Lake Tahoe, CA
Tahoe 200
Jun 14, 2024
Modjeska Canyon, CA
Harding Hustle Trail Runs
Jul 27, 2024
Bradley, CA
Tierra Redonda Mountain Trail Run
Nov 9, 2024
Jenner, CA
Salt Point Trail Run
Jul 13, 2024
Friant, CA
San Joaquin River Trail Run
Dec 7, 2024
Olympic Valley, CA
Western States Endurance Run
Jun 29, 2024
Foresthill, CA
Canyons Endurance Runs
Apr 25, 2025
Apr 26, 2025
Lakeshore, CA
China Peak Running Festival
Sep 7, 2024
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
Julian, CA
San Diego 100
Jun 7, 2024
The Peak
Jul 13, 2024
Anza Borrego Cuyamaca 50 (ABC 50)
Dec 7, 2024
Old West Trail Runs
Mar 15, 2025
Oriflamme 50K
Apr 12, 2025
Alpine, CA
36 Mile Team Repeat Relay
Jun 15, 2024
Warner Springs, CA
Ragnar Trail So Cal
Oct 25, 2024
Furnace Creek, CA
Badwater Ultramarathon
Jul 22, 2024
Norden, CA
Ragnar Trail Tahoe
Aug 16, 2024
Pine Valley, CA
Noble Canyon 50K
Sep 14, 2024
Loma Mar, CA
Groves Trail Run
Sep 7, 2024
Quincy, CA
Greenhorn Ranch Trail Run
Jun 8, 2024
Marinwood, CA
Big Alta
Feb 22, 2025
Pilot Hill, CA
Placer Trail Running Festival
Apr 12, 2025
Duncans Mills, CA
Sonoma Coast Trail Runs
Jun 8, 2024
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| Sat | Sun | Mon | Tue | Wed | Thu | Fri | Multiple |
City Location
1. Grizzly Peak Trail Run
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May 11, 2024Saturday
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50K, 26.2M, 30K, 13.1M, 10K trail run | kids run
More Information
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Berkeley, CA
Alameda County, CA
2. Pacific Crest Trail 50 (PCT 50)
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May 11, 2024Saturday
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50M trail run
More Information
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San Diego, CA
San Diego County, CA
3. Paiute Meadows Trail Run
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May 11, 2024Saturday
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50K, 13.6M, 4.5M trail run | 50K relay
More Information
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Susanville, CA
Lassen County, CA
4. Quicksilver Endurance Runs
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May 11, 2024Saturday
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100K, 50K trail run
More Information
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San Jose, CA
Santa Clara County, CA
5. Trail Run at Sly Park
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May 11, 2024Saturday
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50K, 26.2M, 18M, 13.1M, 8.5M, 10K, 5K trail run
More Information
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Pollock Pines, CA
El Dorado County, CA
6. Born To Run Ultra Marathons
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May 15, 2024Wednesday
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96H trail run
More Information
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Los Olivos, CA
Santa Barbara County, CA
7. Born To Run Ultra Marathons
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May 16, 2024Thursday
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72H trail run
More Information
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Los Olivos, CA
Santa Barbara County, CA
8. Born To Run Ultra Marathons
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May 17, 2024Friday
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48H, 100M trail run
More Information
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Los Olivos, CA
Santa Barbara County, CA
9. Bishop High Sierra Ultras
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May 18, 2024Saturday
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100K, 50M, 53K, 20M, 6K trail run
More Information
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Bishop, CA
Inyo County, CA
10. Born To Run Ultra Marathons
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May 18, 2024Saturday
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30M, 20M, 10M trail run
More Information
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Los Olivos, CA
Santa Barbara County, CA
11. Corral Canyon Trail Scramble
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May 18, 2024Saturday
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50K, 14M, 9M, 5M trail run
More Information
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Campo, CA
San Diego County, CA
12. Pasadena Running Company 50K Relay
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May 26, 2024Sunday
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50K, 10K trail run | 50K relay
More Information
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Pasadena, CA
Los Angeles County, CA
13. Calero Trail Run
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Jun 1, 2024Saturday
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50K, 26.2M, 25K, 13.1M, 15K, 10K, 5K trail run
More Information
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San Jose, CA
Santa Clara County, CA
14. Cool Moon Trail Runs
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Jun 1, 2024Saturday
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100M, 100K, 50M, 25M trail run
More Information
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Cool, CA
El Dorado County, CA
15. Loco Go Big or Go Home Challenge
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Jun 1, 2024Saturday
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100M, 100K, 50K, 13.1M, 10K run
More Information
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Butte Meadows, CA
Butte County, CA
16. Spartan Trail - Monterey
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Jun 2, 2024Sunday
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50K, 13.1M, 10K trail run
More Information
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Salinas, CA
Monterey County, CA
17. San Diego 100
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Jun 7, 2024Friday
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100M trail run
More Information
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Julian, CA
San Diego County, CA
18. Sonoma Coast Trail Runs
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Jun 8, 2024Saturday
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50K, 26.2M, 30K trail run
More Information
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Duncans Mills, CA
Sonoma County, CA
19. DeCelle Memorial Lake Tahoe Relay
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Jun 8, 2024Saturday
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72M relay
More Information
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South Lake Tahoe, CA
El Dorado County, CA
20. Greenhorn Ranch Trail Run
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Jun 8, 2024Saturday
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50K, 25K, 10K, 5K trail run
More Information
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Quincy, CA
Plumas 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.
