72 races
November 2026
5 races
SAT
21
Griffith Park Trail Marathon
ULTRA
Los Angeles, CA, US
50 km42 km30 km21 km10 km
THU
26
GRANITE BAY TURKEY TROT
GRANITE BAY, CA, US
6 km3 km
THU
26
Run Hunger Off the Divide 10K/5K Run
Cool, CA, US
10 km5 km
THU
26
LA Turkey Trail
Los Angeles, CA, US
21 km10 km5 km
SAT
28
Quad Dipsea
ULTRA
Mill Valley, CA, US
46 km
December 2026
16 races
SAT
5
Calero Trail Run - Winter
ULTRA
San Jose, CA, US
50 km42 km25 km21 km15 km10 km5 km
SAT
5
Ray Miller 50/50
ULTRA
Malibu, CA, US
81 km50 km30 km
SAT
5
Anza Borrego Cuyamaca 50 Mile Run
ULTRA
Julian, CA, US
81 km
SAT
5
Over The Hill Track Club High Desert 50K & 30K
ULTRA
Ridgecrest, CA, US
50 km30 km10 km
SAT
5
Peacock Gap Trail Run
San Rafael, CA, US
30 km21 km10 km
SUN
6
Hunter S. Thompson Fear & Loathing
ULTRA
San Francisco, CA, US
81 km50 km
SAT
12
Doomsday
ULTRA
Cool, CA, US
50 km21 km
SAT
12
Magnolia Magic River Trail Run
ULTRA
Pilot Hill, CA, US
50 km42 km30 km21 km12 km5 km
SAT
12
Mulholland Under the Stars Trail Race
Tarzana, CA, US
10 km5 km
SAT
12
Holiday Hustle 5K, 10K Livermore
Livermore, CA, US
10 km5 km
SAT
12
Crystal Cove Trail Run
Newport Beach, CA, US
15 km6 km1 km
SAT
19
Woodside Ramble
ULTRA
Redwood City, CA, US
50 km35 km21 km10 km
SAT
19
Holiday Hustle Sacramento 5K, 10K
Sacramento, CA, US
10 km5 km
SAT
19
Magnolia Magic River Trail Run
ULTRA
Pilot Hill, CA, US
50 km42 km30 km21 km12 km5 km
SUN
20
Dirty December Trail Run
San Diego, CA, US
42 km21 km10 km
THU
24
Placerville's Holiday Jingle & Mingle Run
Placerville, CA, US
21 km15 km10 km5 km
January 2027
7 races
SAT
2
Hacienda Hills Trail Run - Winter
ULTRA
San Jose, CA, US
50 km42 km30 km21 km15 km10 km5 km
SAT
9
No Hands Trail Run
ULTRA
Auburn, CA, US
50 km35 km21 km8 km
SAT
23
Folsom Lake Sweetwater Trail Run
ULTRA
Folsom, CA, US
61 km50 km42 km30 km21 km15 km10 km5 km
SAT
23
Pacifica Foothills Trail Run
Pacifica, CA, US
30 km21 km10 km
SAT
23
La Cuesta Ranch Trail Run
San Luis Obispo, CA, US
30 km20 km10 km
SUN
24
Calico Trail Run
ULTRA
Yermo, CA, US
50 km30 km
SAT
30
Sean O'Brien 100K/50M/50K/26.2/30K
ULTRA
Calabasas, CA, US
100 km81 km50 km30 km
February 2027
13 races
SAT
6
Jed Smith
ULTRA
Sacramento, CA, US
81 km50 km42 km30 km21 km
SAT
6
Monterey Ultra
ULTRA
Monterey, CA, US
81 km
SAT
6
Boney Mountain
Thousand Oaks, CA, US
21 km7 km
SAT
6
Mt. Umunhum Trail Conquest-Winter
ULTRA
San Jose, CA, US
50 km42 km30 km21 km11 km5 km
SAT
6
Fort Ord Trail Run
ULTRA
Salinas, CA, US
50 km25 km10 km
SAT
13
The Ranch 50k
ULTRA
Escondido, CA, US
50 km21 km
SAT
13
Folsom Lake Falcon Crest Trail Run
El Dorado Hills, CA, US
21 km13 km10 km5 km
SAT
20
Chabot/Redtail Ridge Trail Run
ULTRA
Castro Valley, CA, US
50 km35 km21 km10 km5 km
SAT
20
Happy Chinese New Year
ULTRA
SAN DIEGO, CA, US
81 km
SAT
27
Will Rogers 24 Hour/12 Hours/6 Hour
ULTRA
Pacific Palisades, CA, US
161 km100 km81 km50 km30 km21 km
SAT
27
Salmon Falls 50K
ULTRA
Pilot Hill, CA, US
50 km21 km10 km5 km
SAT
27
SoCalUltraTrail at Tejon Ranch
ULTRA
Lebec, CA, US
100 km50 km25 km21 km11 km
SAT
27
Sycamore Canyon
ULTRA
Poway, CA, US
100 km50 km21 km
March 2027
9 races
SAT
6
Sycamore Canyon
ULTRA
Poway, CA, US
100 km50 km21 km
SAT
6
Skyline Ridge Trail Run and Hike
ULTRA
La Honda, CA, US
50 km30 km21 km12 km
SUN
7
FCancer Race; Norcal Edition
Middletown, CA, US
21 km10 km5 km
SAT
13
Marin Ultra Challenge
ULTRA
Sausalito, CA, US
81 km50 km
SAT
13
Old West Trail Runs
ULTRA
Julian, CA, US
50 km42 km21 km
SAT
13
The Quest! Adventure Run
Auburn, CA, US
19 km10 km
SAT
13
Nine Trails 35 Mile Endurance Run
ULTRA
Santa Barbara, CA, US
56 km27 km
SUN
14
Lag Bon 10K
Fairfax, CA, US
10 km
FRI
19
The Big Alta
ULTRA
Marinwood, CA, US
100 km50 km28 km
Ultra marathons
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