Events
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24 Hours Ultra Running Events in California

All 50 KM 50 Miles 100 KM 100 Miles 6 Hours 12 Hours 24 Hours

Upcoming Events

Date Event City Distances
04/20/24 Silver Moon Race - Reedley Reedley 6 Hours , 12 Hours , 24 Hours , 100 Miles
05/25/24 Nanny Goat Riverside 6 Hours , 12 Hours , 24 Hours , 100 Miles
06/22/24 Orange Curtain Cerritos 12 Hours , 24 Hours , 50 KM , 100 KM
07/06/24 SISU 24 Monrovia 24 Hours , 100 Miles
10/05/24 Back On The Ranch Trail Run Los Olivos 6 Hours , 12 Hours , 24 Hours , 48 Hours
10/19/24 Cahuilla Rez Ultra Anza 12 Hours , 24 Hours , 100 Miles
10/26/24 Weekend at Burney Burney 12 Hours , 24 Hours
11/09/24 Tierra Redonda Mountain Trail Run Bradley 24 Hours , 48 Hours
12/31/24 New Year's One Day San Francisco 6 Hours , 12 Hours , 24 Hours , 100 Miles
03/21/25 San Diego Pirate's Cove 6/12/24 Hour Run/Walk Cuyamaca Lake 6 Hours , 12 Hours , 24 Hours
04/03/25 Beyond Limits Ultra Mountain Center 24 Hours , 48 Hours , 72 Hours , 50 KM , 50 Miles , 100 Miles

Past Events

Date Event City Distances
03/22/24 RUN4Kids 48r Hour Running Party Corona 6 Hours , 12 Hours , 24 Hours , 25 Hours , 48 Hours , 50 Miles , 100 Miles
03/01/24 Big Bloops Ultra Palo Alto 24 Hours
02/24/24 Silver Moon Race - Paso Robles Paso Robles 6 Hours , 12 Hours , 2 Miles , 24 Hours , 10 KM , 100 Miles
11/04/23 Boundiful Endurance Runs Hemet 6 Hours , 12 Hours , 24 Hours , 100 Miles
09/23/23 Ride To Walk Endurance Race Lincoln 6 Hours , 12 Hours , 24 Hours , 48 Hours , 100 Miles
08/12/23 South Bay 24 San Diego 7 Hours , 12 Hours , 24 Hours
04/29/23 Wandering Idiot Festival Of Hills Elk Creek 6 Hours , 12 Hours , 24 Hours
04/01/23 Cirque du Griffith Park 100-Mile & 6/12/24 Hour Ultra Runs Los Angeles 6 Hours , 12 Hours , 24 Hours , 100 Miles
01/15/22 One Day In Auburn Auburn 6 Hours , 6 Hours , 12 Hours , 12 Hours , 24 Hours , 24 Hours
12/26/21 DayDayUp Miramar San Diego 24 Hours
11/13/21 Day On The Ranch Quincy 6 Hours , 12 Hours , 24 Hours
10/09/21 Elder Creek Trail Runs 50mile/100k Anza 24 Hours , 50 KM , 50 Miles , 100 KM
07/10/21 Sisyphus Ultra Challenge Hemet Backyard , 12 Hours , 24 Hours , 48 Hours , 100 Miles , 200 Miles
08/01/20 River Park Ultras Lakeside Backyard , 6 Hours , 12 Hours , 24 Hours
01/18/20 Celtic Winter Classic 24 Hour Run Bakersfield 12 Hours , 24 Hours , 50 KM , 50 Miles , 100 Miles
08/17/19 Julian Station Full Moon Run Julian 12 Hours , 24 Hours
06/02/18 San Francisco Summer Solstice San Francisco 6 Hours , 12 Hours , 24 Hours
03/24/18 Montecito Cold Spring School Tuff Benefit Run Santa Barbara 6 Hours , 12 Hours , 24 Hours
04/22/17 Razorback Endurance Race San Martin 6 Hours , 12 Hours , 24 Hours , 48 Hours , 72 Hours , 50 KM , 50 Miles , 100 KM , 100 Miles , 125 Miles
03/25/17 Barn Burner Sanger 6 Hours , 12 Hours , 24 Hours
03/18/17 Davis Two Day Davis 12 Hours , 24 Hours , 48 Hours
02/25/17 Riverbank One Day Riverbank 6 Hours , 12 Hours , 24 Hours
12/06/14 Jester's World Record Run Bonita 6 Hours , 12 Hours , 24 Hours , 100 Miles
07/20/13 Rohring Round the Clock - Redux Chula Vista 6 Hours , 12 Hours , 24 Hours , 100 Miles
02/23/13 Rohring Round the Clock Chula Vista 6 Hours , 12 Hours , 24 Hours , 100 Miles
10/23/10 San Francisco One Day San Francisco 12 Hours , 24 Hours
11/01/05 San Diego 1 Day San Diego 12 Hours , 24 Hours
07/19/03 Jim Skophammer San Mateo 12 Hours , 24 Hours
08/29/98 Greg & Delmar's 12 & 24 Hour Adventure Run Gibson Ranch 12 Hours , 24 Hours
11/12/95 Gibson Ranch Elverta 24 Hours , 48 Hours , 72 Hours , 144 Hours , 50 Miles
10/26/85 No Bullshit 24 hour Run Ventura 24 Hours

Recent Results
Mountains to Sea Challenge 50K
Zion Ultras and Trail Half Marathon 50K
Peterson Ridge Rumble 40M
Kal-Haven 33.5M
Gorge Waterfalls 50K
Napa Valley 50k 50K
James River Trail Runs 50M
Fall Creek Falls 50K 50K
TNT - Toughest N' Texas Trail Runs 50K
SPASM Lake Chabot Trail Run 50K
Ouachita Trail 50M
Ouachita Trail 50K
Lake McMurtry Run 100K
Lake McMurtry Run 50K
New River Trail Races 50K
Gorge Waterfalls 100K
Traprock 50 50K
James River Trail Runs 50K
Serengeti Trail Races 50K
Serengeti Trail Races 50M