Races in CA, United States
147 upcoming races in CA, United States.
147 races found
Coolest Ride and Tie and Equathon
Coolest Ride and Tie and Equathon is a trail race held in Cool, CA. The event takes place in June 2026.
Grasshopper Peak Redwoods Run
Grasshopper Peak Redwoods Run is a 30 km trail race held in Weott, CA. The event takes place in June 2026.
Malibu Canyon Trail Races
Malibu Canyon Trail Races is a 100 km ultramarathon trail race held in Malibu, CA. The event takes place in June 2026.
Dirt Circus - San Francisco
Dirt Circus - San Francisco is a trail race held in San Francisco, CA. The event takes place in June 2026.
PCT 50
PCT 50 is a 81 km ultra trail race held in Cleveland National Forest, CA. The event takes place in June 2026.
Coolest 10km Trail Run
Coolest 10km Trail Run is a 10 km trail race held in Cool, CA. The event takes place in June 2026.
Griffith Park Trail Marathon Relay & 8K
Griffith Park Trail Marathon Relay & 8K is a marathon trail race held in Los Angeles, CA. This iconic event is the perfect opportunity to push yourself, bond with friends, and take in the breathtaking beauty of Griffith Park.
2026 Lake Chabot Trail Challenge (Half Marathon & 5K)
“Beginning July 1, 2024, the “Honest Pricing Law” or “Hidden Fees Statute,” SB 478, makes it illegal for businesses to advertise or list a price for a good or service that does not include all. This race is well regarded amongst serious trail runners in the outlying areas.
Tahoe 200 Endurance Run
Tahoe 200 Endurance Run is a 322 km ultramarathon trail race held in Lake Tahoe, CA. The event takes place in June 2026.
Holcomb Valley: Big Bear Peaks & Pines
Holcomb Valley: Big Bear Peaks & Pines is a half marathon trail race held in Big Bear Lake, CA. The event takes place in June 2026.
Cool Moon Trail Races
Cool Moon Trail Races is a 100 km ultramarathon trail race held in Cool, CA. The event takes place in June 2026.
Bay Area 100
Bay Area 100 is a 161 km ultramarathon trail race held in Berkeley, CA. The event takes place in June 2026.
Ascend Spring Training Program
Ascend Spring Training Program is a trail race held in Santa Rosa, CA. The event takes place in June 2026.
Cool Moon 100 Mile Endurance Run
Cool Moon 100 Mile Endurance Run is a 161 km ultramarathon trail race held in Cool, CA. The event takes place in June 2026.
Tails & Trails- Charitable Walk/Run
Tails & Trails- Charitable Walk/Run is a trail race held in Santa Rosa, CA. The event takes place in June 2026.
The Broken Arrow Skyrace
The Broken Arrow Skyrace is a 18 km trail race held in Lake Tahoe, CA. The event takes place in June 2026.
Burney Mountain 100
Burney Mountain 100 is a 161 km ultramarathon trail race held in Cassel, CA. The event takes place in June 2026.
Trail Futures NTN Nike Trail Nationals
Trail Futures NTN Nike Trail Nationals is a trail race held in Lake Tahoe, CA. The event takes place in June 2026.
Orange Curtain
Orange Curtain is a 100 km ultramarathon trail race held in Cerritos, CA. The event takes place in June 2026.
Bizz Johnson's Southside Scramble
Bizz Johnson's Southside Scramble is a trail race held in Susanville, CA. This amazing new trail race showcases the best of the Susan River Canyon.
Black Mountain Trail Races
Black Mountain Trail Races is a 50 km ultra trail race held in San Diego, CA. The event takes place in June 2026.
Golden State
Golden State is a 50 km ultra trail race held in Marina, CA. The event takes place in June 2026.
Headwaters Trail Runs
Headwaters Trail Runs is a 52 km ultra trail race held in Mount Shasta, CA. The event takes place in June 2026.
Tough Topanga
Tough Topanga is a 15 km trail race held in Topanga, CA. The event takes place in June 2026.
Broken Arrow Skyrace 52K
Broken Arrow Skyrace 52K is a 52 km ultra trail race held in Olympic Valley, California.
The Rock the Loch 5K/10K/Half Marathon (LIVE or Virtual)
We cannot promise you'll encounter any cryptic, aquatic creatures at Loch Chabot, but you might. We DO promise a gorgeous trail run on the scenic trails of Loch Chabot Regional Park, some quality nature therapy, and some incredible views.
Chingona Fest
This event is a fundraiser for Chingonas on the Run and an opportunity to bring our community together through running and camping. Chingonas on the Run: Camp & Loop Where miles, mountains, and mujeres meet.
Western States
Western States is a 161 km ultramarathon trail race held in Olympic Valley, CA. The event takes place in June 2026.
Western States 100
100 miles through the Sierra Nevada mountains.
Burney Basin Days
Burney Basin Days is a 10 km trail race held in Burney, CA. The event takes place in July 2026.
San Francisco Bay 2 Bankers 5K, 10K
San Francisco Bay 2 Bankers 5K, 10K is a 5.0 km trail race held in San Francisco, CA. The event takes place in July 2026.
Rancho Hills Trail Run - Summer
Rancho Hills Trail Run - Summer is a 50 km ultra trail race held in Morgan Hill, CA. The event takes place in July 2026.
The Mt. Baldy 5000
The Mt. Baldy 5000 is a 5.0 km trail race held in Mt Baldy, CA. The event takes place in July 2026.
San Lorenzo River Trail Run
Run through 300 foot tall, 1500 year-old Coastal Redwoods, lush stream canyons, open meadows, pine and oak forests, and high dry chaparral-covered ridges. The Half Marathon, 30K, Marathon, and 50K events cross the San Lorenzo River (shown above) multiple times.
Valley Crest Trails
Valley Crest Trails is a 10 km trail race held in Los Angeles (Tarzana), CA. The event takes place in July 2026.
Harding Hustle
Harding Hustle is a 50 km ultra trail race held in Modjeska Canyon, CA. The event takes place in July 2026.
Muir Woods Trail Run
Muir Woods Trail Run is a 30 km trail race held in Stinson Beach, CA. The event takes place in July 2026.
Tough Mugu
Tough Mugu is a 25 km trail race held in Malibu, CA. The event takes place in July 2026.
Great Shasta Rail Trail
Great Shasta Rail Trail is a 50 km ultra trail race held in McCloud, CA. The event takes place in July 2026.
Elder Creek Night Runs
Elder Creek Night Runs is a 50 km ultra trail race held in Anza, CA. The event takes place in July 2026.
Lost Sierra Endurance Race
Lost Sierra Endurance Race is a 100 km ultramarathon trail race held in Downieville, CA. The event takes place in July 2026.
Run and Raft Adventure Day
Run and Raft Adventure Day is a trail race held in Lotus, CA. The event takes place in July 2026.
Mountain Tiger Donner Summit
Mountain Tiger Donner Summit is a 8.0 km trail race held in Soda Springs, CA. The event takes place in July 2026.
Blood, Sweat and Beers Trail Run
Blood, Sweat and Beers Trail Run is a 8.0 km trail race held in Auburn, CA. The event takes place in July 2026.
Riley Park Trail Races
Riley Park Trail Races is a 30 km trail race held in Coto de Caza, CA. The event takes place in August 2026.
Rodeo Valley Trail Run
Rodeo Valley Trail Run is a 50 km ultra trail race held in Sausalito, CA. The event takes place in August 2026.
Point Mariah Trail Marathon
Point Mariah Trail Marathon is a marathon trail race held in Truckee, CA. The event takes place in August 2026.
Skyline 50k Endurance Run
Skyline 50k Endurance Run is a 50 km ultra trail race held in Castro Valley, CA. The event takes place in August 2026.
The Napa Lapa Trail Adventure
The Napa Lapa Trail Adventure is a trail race held in Napa, CA. The event takes place in August 2026.
Mount Madonna Challenge
Mount Madonna Challenge is a 10 km trail race held in Gilroy, CA. The event takes place in August 2026.
Thunder Mountain Trail Challenge
Thunder Mountain Trail Challenge is a 50 km ultra trail race held in Kit Carson, CA. The event takes place in August 2026.
SAR Wild Run
An event for the entire family, join us for this Fresno County Search And Rescue FUNdraiser. Starting 1/4mi North of the intersection of Dinkey Creek Rd.
The Bulldog Ultra
The Bulldog Ultra is a 75 km ultra trail race held in Calabasas, CA. The event takes place in August 2026.
Tamalpa Headlands 50K
Tamalpa Headlands 50K is a 50 km ultra trail race held in Sausalito, CA. The event takes place in August 2026.
Redwood (Summer) Trail Run
The course travels through beautiful Redwood Regional Park. Enjoy the spectacular views along the East Ridge and West Ridge trails and wind through tall redwoods on the popular Stream and Bridle trails.
Almaden Hills Trail Run - Summer
Almaden Hills Trail Run - Summer is a 50 km ultra trail race held in San Jose, CA. The event takes place in August 2026.
Santa Cruz Trail Run
Giant redwoods dominate the landscape in our Santa Cruz Trail Run. Aside from coiling single-track that opens up to expansive roads and paths–and even sand–participants will enjoy the ocean breezes pouring in from the Santa Cruz coast.
Fillmore-Japantown Find-Your-Way 5K, 10K San Francisco
Fillmore-Japantown Find-Your-Way 5K, 10K San Francisco is a 10 km trail race held in San Francisco, CA. The event takes place in August 2026.
Desolate Peaks
Desolate Peaks is a trail race held in South Lake Tahoe, CA. The event takes place in August 2026.
Trail Run at Sly Park - Summer
Trail Run at Sly Park - Summer is a 50 km ultra trail race held in Pollock Pines, CA. The event takes place in August 2026.
Tanri Lake Race
Tanri Lake Race is a 10 km trail race held in Miramonte, CA. The event takes place in August 2026.
SPASM Crystal Springs Trail Run
Experience the towering redwoods, lush ferns, and beautiful trails through Huddart Park, King's Mountain and Bear Gulch. (Distances are accurately measured using a Rolatape® surveyor's measuring wheel.).
Noble Canyon 50K/15K
Noble Canyon 50K/15K is a 50 km ultra trail race held in Pine Valley, CA. The event takes place in September 2026.
Mammoth Bar Trail Runs
Mammoth vert." Mammoth Bar Trail Runs take place on the single-track and double-track trails of Mammoth Bar OHV Area in Auburn State Recreation Area, in the Endurance Capital of Auburn, California. Mammoth Bar is known for its steep climbs and descents, as well as it's beautiful American River Canyon views.
Diablo Trail Run
Mount Diablo provides spectacular views of the San Francisco Bay Area and surrounding valleys. The 4 mile course is relatively flat and fast within Mitchell Canyon.
The Honey Badger Half (& 10K/5K)
The Badger's race RETURNS to China Camp State Park in Santa Venetia, CA. If the LIVE option doesn't work for you, we're supporting VIRTUAL as well.
Los Angeles Sunset Relays | 5K & Kid Run
For more Information go to: https://lasunsetrelay.com/ Get ready for an unforgettable evening of trail running at the Los Angeles Sunset Trail Relays & 5K. This race brings together adventure, teamwork, and breathtaking views in one epic event.
Stevens Creek Striders Reservoir Run
Stevens Creek Striders Reservoir Run is a 11 km trail race held in Cupertino, CA. The event takes place in September 2026.
Berkeley Trail Adventure
Berkeley Trail Adventure is a 50 km ultra trail race held in Berkeley, CA. The event takes place in September 2026.
Mendocino Running Festival
Mendocino Running Festival is a 10 km trail race held in Mendocino, CA. The event takes place in September 2026.
Last One Standing at Bradley California
Last One Standing at Bradley California is a trail race held in Bradley, CA. The event takes place in September 2026.
Red Rock Sunset Rumble
Red Rock Sunset Rumble is a 10 km trail race held in Topanga, CA. The event takes place in September 2026.
Tierra Redonda Mountain Trail Run
Tierra Redonda Mountain Trail Run is a 20 km trail race held in Bradley, CA. The event takes place in September 2026.
Mammoth Trailfest
Mammoth Trailfest is a trail race held in Mammoth Lakes, CA. The event takes place in September 2026.
Devils in the Canyon Trip
Devils in the Canyon Trip is a trail race held in Springdale, CA. The event takes place in September 2026.
JP's Backyard Ultra/Hike, The Final Edition
JP's Backyard Ultra/Hike, The Final Edition is a ultra trail race held in Napa, CA. Now in its fourth and final year, this grassroots event is more than just a race, it’s a celebration of life, resilience, and community.
Double Peak Challenge 10k
Double Peak Challenge 10k is a 10 km trail race held in San Marcos, CA. The event takes place in September 2026.
Ridge Rambler Half Marathon
Ridge Rambler Half Marathon is a marathon trail race held in Bridgeport, CA. The event takes place in September 2026.
Mount Disappointment Mountain Race
Mount Disappointment Mountain Race is a 50 km ultra trail race held in Mt. Wilson, CA. The event takes place in September 2026.
Dick Collins Firetrails
Dick Collins Firetrails is a 100 km ultramarathon trail race held in Castro Valley, CA. The event takes place in September 2026.
Bandit Ultra Trail
Bandit Ultra Trail is a 50 km ultra trail race held in Los Angeles (Simi Valley), CA. The event takes place in September 2026.
Ridge Rambler 5k
Ridge Rambler 5k is a 5.0 km trail race held in Bridgeport, CA. The event takes place in September 2026.
THE MAMMOTH
THE MAMMOTH is a trail race held in Mammoth Lakes, CA. The event takes place in October 2026.
Back On The Ranch Trail Run
Back On The Ranch Trail Run is a trail race held in Los Olivos, CA. The event takes place in October 2026.
Cirque Series - Mt Baldy, CA
Cirque Series - Mt Baldy, CA is a trail race held in Mt Baldy, CA. 9.1 miles featuring 3,926' ft vert.
Angeles Crest 100 Mile Endurance Run
Angeles Crest 100 Mile Endurance Run is a 161 km ultramarathon trail race held in Wrightwood, CA. The event takes place in October 2026.
Cuyamaca 100k
Cuyamaca 100k is a 100 km ultramarathon trail race held in Julian, CA. The event takes place in October 2026.
Kokanee Trail Runs
Kokanee Trail Runs is a 10 km trail race held in South Lake Tahoe, CA. The event takes place in October 2026.
Saddle2Surf
Run 50 miles from Norco, CA (AKA Horsetown USA) to the beautiful California coast in Huntington Beach (Surf City USA). On this run, you will experience the beauty and the beast that is Southern California.
That's No Moon Trail Races
That's No Moon Trail Races is a 50 km ultra trail race held in Silverado, CA. The event takes place in October 2026.
Mountain Tiger Diablo
Mountain Tiger Diablo is a 19 km trail race held in Clayton, CA. The event takes place in October 2026.
Sunset & Cider Trail Races
Sunset & Cider Trail Races is a 50 km ultra trail race held in Auburn, CA. The event takes place in October 2026.
Ruth Anderson Memorial Endurance Run
The course is a 4.5 mi loop around Lake Merced.
Bizz Johnson
Set PRs and qualify for the Boston Marathon on this fast, downhill course. Total net downhill loss for the marathon is 929 feet making it the PERFECT course to qualify on.
California Gold Rush Trail Run - Fall
California Gold Rush Trail Run - Fall is a 15 km trail race held in Coloma, CA. The event takes place in October 2026.
Sonoma Fall Classic
Sonoma Fall Classic is a 161 km ultramarathon trail race held in Healdsburg, CA. The event takes place in October 2026.
The Peak 50K, Marathon & Half Marathon
The Peak 50K, Marathon & Half Marathon is a 50 km ultra trail race held in Julian, CA. The event takes place in October 2026.
SPACEROCK Trail Race
OUT-OF-THIS-WORLD TRAIL RUNNING SPACEROCK: the final trail running frontier. These are the voyages of trail runners around the world.
The Jackalope Lope
Located in Whiskeytown National Recreation Area, an area known for it’s challenging trails and maximum vert. Whether you choose to do the 8.5 mile, 20.5 mile, or 52k - we are convinced this trail run will satisfy your craving for a challenge.
Heart of Cool Trail Run
Heart of Cool Trail Run is a trail race held in Cool, CA. If so, HoC 5k, 10k and half marathon is just what you are looking for.
Lake Hodges Trail Festival
THE LAKE HODGES TRAIL RUNS & TRAIL DUATHLON- RUN | BIKE | RUN is an annual trail running experience you don't want to miss. We offer something for the whole family to enjoy.
Cahuilla Rez Ultra
Cahuilla Rez Ultra is a 5.0 km trail race held in Anza, CA. The event takes place in October 2026.
Fleet Feet Fall Classic - Trail October 18th, 2026
LOCATION South Rim Trail Head/ Backside of Bidwell Golf Course Chico, CA US 95928 DISCRIPTION Fleet Feet Chico is pleased to offer two trail races in our beautiful Upper Bidwell Park. The two races will start on the south side of the park down Annies Trail for a fun adventure on the single-track trails.
Weekend at Burney
Weekend at Burney is a 9.7 km trail race held in Burney, CA. The event takes place in October 2026.
San Diego 200
San Diego 200 is a 322 km ultramarathon trail race held in Escondido, CA. The event takes place in October 2026.
NorCal Backyard Ultra
NorCal Backyard Ultra is a ultra trail race held in Granite Bay, CA. The event takes place in October 2026.
Island View - Endurance Run
Island View - Endurance Run is a 100 km ultramarathon trail race held in Goleta, CA. The event takes place in October 2026.
Trail Run at Sly Park - Fall
Trail Run at Sly Park - Fall is a 50 km ultra trail race held in Pollock Pines, CA. The event takes place in October 2026.
Acorn Creek Trail Run
Acorn Creek Trail Run is a 10 km trail race held in Pilot Hill, CA. The event takes place in October 2026.
The Rubicon
The Rubicon is a trail race held in Oxbow Reservoir, CA. The event takes place in October 2026.
Wildwood Canyon Trail Run
Wildwood Canyon Trail Run is a 6.0 km trail race held in Yucaipa, CA. The event takes place in October 2026.
Haunted Corner 5K, 10K Pleasant Hill
Haunted Corner 5K, 10K Pleasant Hill is a 10 km trail race held in Pleasant Hill, CA. The event takes place in October 2026.
Machete Muertos 200
Machete Muertos 200 is a 322 km ultramarathon trail race held in Perris, CA. The event takes place in October 2026.
Caspers Trail Races
Caspers Trail Races is a 50 km ultra trail race held in San Juan Capistrano, CA. The event takes place in October 2026.
HALLOWEEN SPOOKTACULAR 6 HOUR AND 4 HOUR TRAIL RUN
HALLOWEEN SPOOKTACULAR 6 HOUR AND 4 HOUR TRAIL RUN is a trail race held in Laguna Beach, CA. The event takes place in October 2026.
Haunted Sacramento 5K, 10K
Haunted Sacramento 5K, 10K is a 10 km trail race held in Sacramento, CA. The event takes place in October 2026.
ZombieRunner Halloween
Run in your Halloween costume along the popular Coyote Creek trail and win a prize. The Half Marathon (CA21023TEB) and Marathon (CA22026TEB) courses are USATF are certified.
Oakland Tech 5km/1 mile Race/Run/Walk Fundraiser
Support Oakland Tech Students and Programs Join us for a 5K trail race or 1-mile fun run/walk in beautiful Joaquin Miller Park on November 2, 2025 (end of Daylight savings time.) The course winds. This event is a fundraiser for the Oakland Tech PTSA, which provides invaluable funding for student programs and activities.
The Saddleback Marathon
The Saddleback Marathon is a 25 km trail race held in Silverado, CA. The event takes place in November 2026.
Lake Chabot Trail Run
The course starts at the Marina and travels around the popular Lake Chabot reservoir and surrounding hills. Great course for first-time trail runners.
Sri Chinmoy 6-Hour Race - San Diego
Sri Chinmoy 6-Hour Race - San Diego is a trail race held in San Diego, CA. The event takes place in November 2026.
Live Oak Odyssey
Live Oak Odyssey is a trail race held in Trabuco Canyon, CA. The event takes place in November 2026.
Roosters Backyard Ultra
Roosters Backyard Ultra is a ultra trail race held in San Diego, CA. The event takes place in November 2026.
ZombieRunner Quarry Lakes
The course starts in the scenic Quarry Lakes Regional Recreation area and follows the popular Alameda Creek Trail up to the mouth of Niles Canyon. The Half Marathon (CA19047RS) course is USATF certified.
Catalina Island Half-Marathon & 10K
Experience the ultimate California trail half-marathon, an adventure that will test your limits while rewarding you with awe-inspiring beauty. Starting in the charming town of Avalon, the race kicks off with a scenic run past the historic Wrigley Mansion.
Go Wild! Santa Cruz 2 Hr, 4 Hr
Go Wild! Santa Cruz 2 Hr, 4 Hr is a trail race held in Santa Cruz, CA. The event takes place in November 2026.
LA Turkey Trail
LA Turkey Trail is a 10 km trail race held in Los Angeles, CA. The event takes place in November 2026.
Zoom Turkey Trot
Run along the popular Coyote Creek trail Thanksgiving morning and stand to win a turkey. The Half Marathon course is USATF certified (CA21023TEB).
Quad Dipsea
Quad Dipsea is a 6.4 km trail race held in Mill Valley, CA. The event takes place in November 2026.
SoCal Ultra Runners Grand Prix Series
SoCal Ultra Runners Grand Prix Series is a ultra trail race held in Southern, CA. The event takes place in December 2026.
Anza Borrego Cuyamaca 50 Mile Run
Anza Borrego Cuyamaca 50 Mile Run is a 81 km ultra trail race held in Julian, CA. The event takes place in December 2026.
Ray Miller 50/50
Ray Miller 50/50 is a 50 km ultra trail race held in Malibu, CA. The event takes place in December 2026.
The Wrath of Krampus: Last Person Standing
The Wrath of Krampus: Last Person Standing is a trail race held in Yucaipa, CA. The event takes place in December 2026.
Crystal Cove Trail Run
Crystal Cove Trail Run is a 15 km trail race held in Newport Beach, CA. The event takes place in December 2026.
Holiday Hustle 5K, 10K Livermore
Holiday Hustle 5K, 10K Livermore is a 10 km trail race held in Livermore, CA. The event takes place in December 2026.
Holiday Hustle Sacramento 5K, 10K
Holiday Hustle Sacramento 5K, 10K is a 10 km trail race held in Sacramento, CA. The event takes place in December 2026.
Dirty December Trail Run
Dirty December Trail Run is a 10 km trail race held in San Diego, CA. The event takes place in December 2026.
Hops and Spokes Mountain Bike Classic
Hops and Spokes Mountain Bike Classic is a trail race held in Yucaipa, CA. The event takes place in January 2027.
Backbone Trail Ultra
Backbone Trail Ultra is a 109 km ultramarathon trail race held in Santa Monica Mountains, CA. The event takes place in January 2027.
Sean O'Brien 100K/50M/50K/26.2/30K
Sean O'Brien 100K/50M/50K/26.2/30K is a 100 km ultramarathon trail race held in Calabasas, CA. The event takes place in January 2027.
La Cuesta Ranch Trail Run
La Cuesta Ranch Trail Run is a 30 km trail race held in San Luis Obispo, CA. The event takes place in January 2027.
The Ranch 50k
The Ranch 50k is a 50 km ultra trail race held in Escondido, CA. The event takes place in February 2027.
SoCalUltraTrail at Tejon Ranch
SoCalUltraTrail at Tejon Ranch is a 100 km ultramarathon trail race held in Lebec, CA. The event takes place in February 2027.
Will Rogers 24 Hour/12 Hours/6 Hour
Will Rogers 24 Hour/12 Hours/6 Hour is a 50 km ultra trail race held in Pacific Palisades, CA. The event takes place in February 2027.
Sycamore Canyon
Sycamore Canyon is a 100 km ultramarathon trail race held in Poway, CA. The event takes place in February 2027.
The Quest! Adventure Run
The Quest! Adventure Run is a 19 km trail race held in Auburn, CA. The event takes place in March 2027.
Bad Ass Backyard Ultra
Bad Ass Backyard Ultra is a ultra trail race held in Rio Linda, CA. The event takes place in March 2027.