100mi ultra marathons in California, United States
22 races
Cool Moon Trail Runs
Jun 14-15, 2025 (Sat-Sun)
Cool, California, United States
1.9 - 2.6
$156.86 - $360.27
Burney Mountain 100
Jun 20, 2025 (Fri)
Burney, California, United States
2.7
$296.37
Western States 100
Jun 28, 2025 (Sat)
Squaw Valley, California, United States
2.4
$475
Folsom 100
Aug 1, 2025 (Fri)
Granite Bay, California, United States
2 - 2.7
$269.75 - $429.5
Angeles Crest
Aug 2, 2025 (Sat)
Wrightwood, California, United States
2.7
$450.8
Run-de-Vous
Aug 29, 2025 (Fri)
San Martin, California, United States
1.2 - 2.5
$85 - $280
Kodiak Ultra Marathons
Oct 10-11, 2025 (Fri-Sat)
Big Bear Lake, California, United States
1.3 - 2.6
Mile Madness Endurance Run
Oct 10-11, 2025 (Fri-Sat)
Rocklin, California, United States
$107.68 - $428.43
Cahuilla Rez Ultra
Oct 18, 2025 (Sat)
Anza, California, United States
2.9
$66.25 - $131.3
Weekend at Burney
Oct 23, 2025 (Thu)
Burney, California, United States
$71.56 - $216.5
Machete Trail Madness 100 Miler
Oct 31, 2025 (Fri)
Perris, California, United States
2 - 2.7
$184.55 - $323
Rio del Lago
Nov 1, 2025 (Sat)
Granite Bay, California, United States
1.2 - 2.4
Boundiful Endurance Runs
Nov 29, 2025 (Sat)
Hemet, California, United States
2.7
$152.6 - $237.8
New Year's One Day
Dec 31, 2025 (Wed)
San Jose, California, United States
2.3
$100 - $120
Beyond Limits Ultra
Apr 1-4, 2026 (Wed-Sat)
Mountain Center, California, United States
2.5
$211.17 - $598.83
Silver Moon Race Reedley
Apr 11, 2026 (Sat)
Reedley, California, United States
Leona Divide
Apr 11, 2026 (Sat)
Lake Hughes, California, United States
1.2 - 2.7
$168.57 - $429.5
The Canyons Endurance Runs
Apr 24-25, 2026 (Fri-Sat)
Foresthill, California, United States
1.2 - 2.6
Coyote Two Moon
May 1, 2026 (Fri)
Ojai, California, United States
2.3 - 2.8
$184.55 - $386.9
Run4Kids 24 Hour Running Party
May 1-2, 2026 (Fri-Sat)
Corona, California, United States
$129 - $149
Born to Run Ultra Marathons
May 13-16, 2026 (Wed-Sat)
Los Olivos, California, United States
2.5
$429.5 - $642.5
Nanny Goat
May 23, 2026 (Sat)
Riverside, California, United States
2.5
Showing 1 - 22 of 22 events