Ultras in California
Santa Barbara, CA
Santa Barbara Nine Trails
Mar 15, 2025
Morgan Hill, CA
Rancho Hills Trail Run
Jul 6, 2024
San Luis Obispo, CA
La Cuesta Ranch Trail Run
Jan 27, 2024
Sausalito, CA
Golden Gate (Winter)
Feb 3, 2024
Marin Ultra Challenge
Mar 9, 2024
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
Sacramento, CA
Jed Smith Ultra
Feb 3, 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
Fresno, CA
Feat to the Beach 200M Relay
Nov 18, 2023
Huntington Beach, CA
Ragnar So Cal
Apr 12, 2024
Oakdale, CA
San Jose Spartan
Mar 30, 2024
Mar 31, 2024
San Jose, CA
New Year's One Day
Dec 31, 2023
Hacienda Hills Run
Jan 6, 2024
Mt. Umunhum Trail Conquest
Feb 3, 2024
South Hills Single Track Trail Run - Spring
Mar 23, 2024
Sierra Azul Trail Challenge
Apr 20, 2024
Hacienda Hills Run
May 4, 2024
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
Monterey, CA
Fort Ord Trail Run
Jan 27, 2024
Monterey Ultra
Jan 27, 2024
Golden State Trail Run
Jun 29, 2024
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
Miwok 100K
May 4, 2024
Mt. Tam Trail Run
Nov 15, 2024
Mill Valley, CA
Quad Dipsea
Nov 30, 2024
Pacifica, CA
Montara Mountain Trail Run
Feb 24, 2024
Walnut Creek, CA
Diablo Trails Challenge
Apr 6, 2024
Folsom, CA
Folsom Lake Sweetwater Trail Run
Jan 27, 2024
Folsom South Side Trail Run
Mar 16, 2024
American River 50 Mile Endurance Run
Apr 6, 2024
Folsom Lake Trail Run
May 4, 2024
Ridgecrest, CA
High Desert 50K Ultra & 30K
Dec 9, 2023
Santa Clarita, CA
Valencia Trail Race
Mar 23, 2024
Los Angeles, CA
Griffith Park Trail Run
Mar 23, 2024
Hollywood to the Sea Road & Trail Relay
May 4, 2024
Lake Hughes, CA
Leona Divide
Apr 20, 2024
Woodside, CA
Woodside Trail Run
Nov 4, 2023
Woodside Ramble
Dec 16, 2023
Crystal Springs (Winter) Trail Run
Jan 14, 2024
Woodside Crossover
Apr 13, 2024
Crystal Springs
Sep 1, 2024
Silverado, CA
That's No Moon
Sep 28, 2024
Muir Beach, CA
Tamalpa Headlands 50K
Aug 31, 2024
Bishop, CA
Bishop High Sierra Ultras
May 18, 2024
Corona, CA
Run4Kids 24 Hour Running Party
Mar 22, 2024
San Francisco, CA
Pinkathon Challenge for Breast Cancer
Oct 21, 2023
SF One Day
Jun 15, 2024
San Francisco Marathon
Jul 28, 2024
Jul 27, 2024
Ruth Anderson Memorial Endurance Run
Oct 12, 2024
Golden Gate Trail Classic
Nov 23, 2024
Nov 24, 2024
Paso Robles, CA
Silver Moon Race: Paso Robles
Feb 24, 2024
Avalon, CA
Avalon Benefit 50 Mile
Jan 11, 2025
Stockton, CA
Loop the Lake 5K
Sep 24, 2023
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
Palm Springs, CA
Beyond Limits Ultra
Apr 3, 2024
Auburn, CA
No Hands Trail Run
Jan 6, 2024
FOURmidable 50K
Feb 17, 2024
Sunset & Cider Trail Races
Sep 28, 2024
Clayton, CA
Diablo Trail Run
Sep 8, 2024
Calistoga, CA
Napa Valley Endurance Run
Apr 14, 2024
Coronado, CA
Ragnar So Cal
Apr 12, 2024
San Diego, CA
Dirty December Poker Run
Dec 16, 2023
Sycamore Canyon Trail Race
Feb 24, 2024
Pacific Crest Trail 50 (PCT 50)
May 11, 2024
Black Mountain 50K
Jun 22, 2024
Lake Hodges Trail Festival
Oct 19, 2024
Sri Chinmoy 6-hour Race
Nov 10, 2024
Rocklin, CA
Ride To Walk Endurance Race
Sep 23, 2023
Santa Maria, CA
Elevate 5K/10K & 12 Hour Race
Feb 16, 2024
Feb 17, 2024
Oakland, CA
Redwood (Spring) Trail Run
Mar 30, 2024
Cinderella Trail Run
Jun 9, 2024
Redwood (Summer) Trail Run
Aug 10, 2024
Castro Valley, CA
Lake Chabot
Nov 4, 2023
Redtail Ridge
Feb 17, 2024
SPASM Lake Chabot
Apr 13, 2024
Skyline 50K
Aug 4, 2024
Dick Collins Firetrails
Sep 28, 2024
Modesto, CA
Captain s Winter Solstice Runaround
Nov 18, 2023
Healdsburg, CA
Lake Sonoma 50
Apr 12, 2024
Apr 13, 2024
Reedley, CA
Silver Moon Race: Reedley
Apr 20, 2024
Escondido, CA
Del Dios Trail Race
Jan 7, 2024
San Diego 50 and Trail Runs
Jan 11, 2025
The Ranch 50K/Half Marathon
Feb 15, 2025
Borrego Springs, CA
Badwater Salton Sea
Apr 27, 2024
Hemet, CA
Boundiful Endurance Runs
Nov 4, 2023
Mariposa, CA
G-Bar Ultra and Trail Run
Apr 20, 2024
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
Santa Margarita, CA
Spartan Trail - San Luis Obispo
Nov 5, 2023
Barstow, CA
Calico Trail Run
Jan 21, 2024
Bradley, CA
Tierra Redonda Mountain Trail Run
Nov 9, 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 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 26, 2024
Apr 27, 2024
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
Nevada City, CA
Yuba Gold Trail Runs
Oct 7, 2023
Julian, CA
Oriflamme 50K
Apr 13, 2024
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
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
La Honda, CA
Horseshoe Lake
Apr 21, 2024
Quincy, CA
Greenhorn Ranch Trail Run
Jun 8, 2024
Marinwood, CA
Big Alta
Feb 24, 2024
Pilot Hill, CA
Placer Trail Running Festival
Apr 13, 2024
Sat | Sun | Mon | Tue | Wed | Thu | Fri | Multiple |
1. Kirkwood Thunder Mountain Trail Challenge
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Past DateJul 22, 2023Saturday
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50K, 30K, 13.1M, 8M, 10K, 5K trail run
More Information
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Kirkwood, CA
El Dorado County, CA
2. Ride To Walk Endurance Race
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Past DateSep 23, 2023Saturday
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48H, 24H, 100M, 12H, 6H trail run
More Information
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Rocklin, CA
Placer County, CA
3. Loop the Lake 5K
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Past DateSep 24, 2023Sunday
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555K, 1M run
More Information
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Stockton, CA
San Joaquin County, CA
4. Yuba Gold Trail Runs
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Past DateOct 7, 2023Saturday
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50K, 32K trail run
More Information
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Nevada City, CA
Nevada County, CA
5. Pinkathon Challenge for Breast Cancer
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Past DateOct 21, 2023Saturday
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50K, 26.2M, 13.1M, 10M, 10K, 5K run
More Information
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San Francisco, CA
San Francisco County, CA
6. Boundiful Endurance Runs
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Past DateNov 4, 2023Saturday
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24H, 12H, 6H, 3H run | 24H, 12H, 6H relay | kids run
More Information
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Hemet, CA
Riverside County, CA
7. Lake Chabot
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Past DateNov 4, 2023Saturday
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50K, 26.2M, 30K, 13.1M, 8K trail run | kids run
More Information
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Castro Valley, CA
Alameda County, CA
8. Woodside Trail Run
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Past DateNov 4, 2023Saturday
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50K, 35K, 17K, 10K trail run
More Information
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Woodside, CA
San Mateo County, CA
9. Spartan Trail - San Luis Obispo
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Past DateNov 5, 2023Sunday
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50K, 21K, 10K trail run
More Information
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Santa Margarita, CA
San Luis Obispo County, CA
10. Captain s Winter Solstice Runaround
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Past DateNov 18, 2023Saturday
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12H, 6H, 4H run
More Information
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Modesto, CA
Stanislaus County, CA
11. 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
12. High Desert 50K Ultra & 30K
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Past DateDec 9, 2023Saturday
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50K, 30K run
More Information
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Ridgecrest, CA
Kern County, CA
13. Dirty December Poker Run
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Past DateDec 16, 2023Saturday
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6H, 26.2M, 13.1M, 10K trail run
More Information
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San Diego, CA
San Diego County, CA
14. Woodside Ramble
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Past DateDec 16, 2023Saturday
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50K, 35K, 13.1M, 10K trail run
More Information
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Woodside, CA
San Mateo County, CA
15. New Year's One Day
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Past DateDec 31, 2023Sunday
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24H, 100M, 12H, 6H run | 24H, 12H, 6H relay
More Information
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San Jose, CA
Santa Clara County, CA
16. Hacienda Hills Run
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Past DateJan 6, 2024Saturday
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50K, 26.2M, 13.1M, 9M, 10K, 5K trail run
More Information
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San Jose, CA
Santa Clara County, CA
17. No Hands Trail Run
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Past DateJan 6, 2024Saturday
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50K, 35K, 13.1M, 8K trail run
More Information
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Auburn, CA
Placer County, CA
18. Del Dios Trail Race
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Past DateJan 7, 2024Sunday
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50K, 13.1M, 10K, 5K trail run
More Information
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Escondido, CA
San Diego County, CA
19. Crystal Springs (Winter) Trail Run
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Past DateJan 14, 2024Sunday
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50K, 26.2M, 35K, 13.1M, 8K trail run | kids run
More Information
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Woodside, CA
San Mateo County, CA
20. Calico Trail Run
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Past DateJan 21, 2024Sunday
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50K, 30K trail run
More Information
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Barstow, CA
Fresno 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.