Events
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6 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
05/04/24 Little Loco Forest Ranch Backyard , 6 Hours , 12 Hours
05/25/24 Nanny Goat Riverside 6 Hours , 12 Hours , 24 Hours , 100 Miles
06/15/24 SF Half Day San Francisco 6 Hours , 12 Hours , 100 KM
07/13/24 Dirty Dozen and Half Dozen Endurance Run Pinole 6 Hours , 12 Hours
09/07/24 Mendocino Running Festival Mendocino 6 Hours , 12 Hours
10/05/24 Back On The Ranch Trail Run Los Olivos 6 Hours , 12 Hours , 24 Hours , 48 Hours
11/10/24 Sri Chinmoy 6-Hour Race - San Diego San Diego 6 Hours
12/14/24 Dirty December Poker Run San Diego 6 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

Past Events

Date Event City Distances
04/20/24 Silver Moon Race - Reedley Reedley 6 Hours , 12 Hours , 24 Hours , 100 Miles
03/22/24 RUN4Kids 48r Hour Running Party Corona 6 Hours , 12 Hours , 24 Hours , 25 Hours , 48 Hours , 50 Miles , 100 Miles
02/24/24 Silver Moon Race - Paso Robles Paso Robles 6 Hours , 12 Hours , 2 Miles , 24 Hours , 10 KM , 100 Miles
11/18/23 Captain's Winter Solstice Runaround Modesto 6 Hours , 12 Hours
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
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
10/29/22 Atlas Trail Series- Two Trees Challenge Ventura 6 Hours , 12 Hours
01/15/22 One Day In Auburn Auburn 6 Hours , 6 Hours , 12 Hours , 12 Hours , 24 Hours , 24 Hours
11/13/21 Day On The Ranch Quincy 6 Hours , 12 Hours , 24 Hours
08/30/20 DSE Distance Classic San Francisco 6 Hours , 12 Hours
08/01/20 River Park Ultras Lakeside Backyard , 6 Hours , 12 Hours , 24 Hours
06/02/18 San Francisco Summer Solstice San Francisco 6 Hours , 12 Hours , 24 Hours
04/14/18 K2 Challenge – 4mph or out! Auburn 6 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
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
08/13/11 Hotter than Hell Cameron Park 6 Hours , 12 Hours
06/12/10 Lake Merritt Half Day Oakland 6 Hours , 12 Hours
05/09/09 Ayala Park Ayala Park 6 Hours , 12 Hours

Recent Results
Mt. Si Relay & Trail Runs 50K
Horseshoe Lake Trail Run 50K
Spokane River Run 50K
Cobscook Backyard Ultra 50M
Cobscook Backyard Ultra 50K
Mt. Si Relay & Trail Runs 50M
Earth Day 50K 50K
Royal Gorge Groove 50K
Red Rocks of Sedona Trail Races 34M
Red Rocks of Sedona Trail Races 50M
Loud Thunder 50 50K
Loud Thunder 50 50M
Stillhouse 100k 100K
Forget the PR Mohican 50k and 25k 50K
Run with the Goats 50K
Mad City 50K
Mad City 100K
Sinister Night Runs 54K
Spitfire Ultra Trail Challenge 55K
The Foxtail 50K