6hr ultra marathons in California, United States
17 races
SF Half Day
Jun 7, 2025 (Sat)
San Francisco, California, United States
Orange Curtain
Jun 20-21, 2025 (Fri-Sat)
Cerritos, California, United States
1 - 1.6
$152.6 - $259.1
Dirty Dozen Endurance Run
Jul 12, 2025 (Sat)
Pinole, California, United States
South Bay 24
Aug 15, 2025 (Fri)
San Diego, California, United States
Mendocino Running Festival
Sep 6, 2025 (Sat)
Mendocino, California, United States
$135 - $155
Back on the Ranch Trail Run
Oct 4, 2025 (Sat)
Los Olivos, California, United States
$110 - $323
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
Sri Chinmoy 6-Hour Race
Nov 9, 2025 (Sun)
San Diego, California, United States
$98.12
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
Pirate's Cove 6/12/24 Hour Run/Hike
Mar 20, 2026 (Fri)
San Diego County, California, United States
San Diego Pirate's Cove 6/12/24 Hour Run/Walk
Mar 20, 2026 (Fri)
Cuyamaca Lake, California, United States
Bad Ass Backyard Ultra
Mar 28, 2026 (Sat)
Rio Linda, California, United States
$129
Silver Moon Race Reedley
Apr 11, 2026 (Sat)
Reedley, California, United States
Run4Kids 24 Hour Running Party
May 1-2, 2026 (Fri-Sat)
Corona, California, United States
$129 - $149
Nanny Goat
May 23, 2026 (Sat)
Riverside, California, United States
2.5
Showing 1 - 17 of 17 events