100K ultra marathons in California, United States
17 races
Malibu Canyon Trail Races
Jun 7, 2025 (Sat)
Malibu, California, United States
1.2 - 2.1
$189.87 - $323
Cool Moon Trail Runs
Jun 14-15, 2025 (Sat-Sun)
Cool, California, United States
1.9 - 2.6
$156.86 - $360.27
Orange Curtain
Jun 20-21, 2025 (Fri-Sat)
Cerritos, California, United States
1 - 1.6
$152.6 - $259.1
Lost Sierra Endurance Race
Jul 26, 2025 (Sat)
Downieville, California, United States
1.5 - 2.3
$205.85 - $291.05
Run-de-Vous
Aug 29, 2025 (Fri)
San Martin, California, United States
1.2 - 2.5
$85 - $280
Dick Collins Firetrails
Sep 27, 2025 (Sat)
Castro Valley, California, United States
1.7 - 2
$227.15 - $264.42
Cuyamaca 100K
Oct 4, 2025 (Sat)
Julian, California, United States
1.9
$245
California Fall Classic 100K and 55K
Oct 18, 2025 (Sat)
Healdsburg, California, United States
1.6 - 1.9
$168.57 - $280.4
San Joaquin River Trail
Dec 6, 2025 (Sat)
Friant, California, United States
2
Sean O'Brien 100K/50M/50K
Jan 31, 2026 (Sat)
Calabasas, California, United States
1.2 - 1.9
Machete Trail Madness 100K
Apr 11, 2026 (Sat)
Perris, California, United States
1.2 - 2.1
$152.6 - $184.55
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
Miwok
May 2, 2026 (Sat)
Stinson Beach, California, United States
2.2
Quicksilver
May 9, 2026 (Sat)
San Jose, California, United States
1.3 - 2.2
$152.6 - $205.85
Bishop High Sierra
May 16, 2026 (Sat)
Bishop, California, United States
1.2 - 2
$184.55 - $259.1
Showing 1 - 17 of 17 events