California Half Marathons
California Half Marathon Calendar event dates grey are delinquent dates not updated by the race organizer yet. We strive to have dates 1 year out for California half marathons, but have no control of when they set, announce or update their dates.
Half Marathon Race Symbols
Official Walker Friendly Half Marathons in California
18:32 mile / 4 Hour Minimum course time limit= (W)
Symbol only applies to half marathon events
Does NOT meet the 4 hour minimum (18:32 / mi) Time limit = Not Walker Friendly (NWF)
Trail Half Marathons (T)
Date
Location
Mon Jan 1, 2024
Sat Jan 4, 2025
Sat Jan 4, 2025 (W)
Sat Jan 6, 2024 (W)
Sun Jan 7, 2024 (T)
Sun Jan 19, 2025
Sun Jan 14, 2024 (T)
Sun Jan 14, 2024
Sat Jan 20, 2024
Sat Jan 25, 2025 (T)
Sat Jan 27, 2024 (T)
Sat Jan 27, 2024
Sun Jan 28, 2024
Brazen New Year Runs Half Marathon,10K, 5K
Hacienda Hills Run Half Marathon, 9mi, 10k, 5k, Trail Marathon, 50k
Citrus Heritage Run Half Marathon & 5k
BWR Happy New Year Half Marathon, 15k, 10k, 5k Long Beach
Del Dios Trail Half Marathon & 10k
Carlsbad Marathon, Half Marathon, 5k
Crystal Springs Trail Run 50k, Marathon, 35k, Half Marathon, 8k
Coyote Hills Half Marathon, 10k, 5k
Folsom Lake Sweet Water Trail 50k/30k/13.1/9mi/10k/5k
China Camp Challenge Half Marathon, 10k, 5k
BWR Winter Fun Long Beach Half Marathon, 15k, 10k, 5k
Castro Valley, CA
San Jose, CA
Riverside, CA
Long Beach, CA
Escondido, CA
Carlsbad, CA
Woodside, CA
Anaheim, CA
Fremont, CA
Folsom, CA
San Rafael, CA
Long Beach, CA
Santa Monica, CA
Sat Feb 3, 2024
Sat Feb 1, 2025
Sat Feb 1, 2025
Sun Feb 2, 2025 (W)
Sun Feb 2, 2025 (NWF)
Sat Feb 10, 2024
Sat Feb 10, 2024
Sun Feb 11, 2024 (W)
Sub Feb 11, 2024
Sun Feb 18, 2024
Sun Feb 25, 2024
Sat Feb 22, 2025
Sat Feb 24, 2024 (T)
Sat Feb 24, 2024
Sun Feb 23, 2025
Jed Smith Ultra Classic Half Marathon, 50k, 50mi, 30k
Death Valley Marathon, Half Marathon, 10k
San Pasqual Valley Trail Race Half Marathon, 20mi & 10k
Surf City USA Marathon, Half Marathon & 5K
Kaiser Permanente San Francisco Half Marathon & 5k
BWR Cupid Dash Long Beach Half Marathon, 15k, 10k, 5k
Bay Breeze Half Marathon, 10k, 5k
Elite Sports Seaside Marathon, Half Marathon, 10k, 5k
BWR Cupid Dash Santa Monica Half Marathon, 15k, 10k, 5k
Sombrero Half Marathon, 10k, 5k
Davis Stampede Half Marathon, 10k, 5k
Beer City Half Marathon, 10k, 5k
Victory Half Marathon, 10k, 5k
Lost Trail Half Marathon & 5k Run/Walk
Sacramento, CA
Death Valley, CA
Escondido, CA
Huntington Beach, CA
San Francisco, CA
Long Beach, CA
San Leandro, CA
Ventura, CA
Santa Monica, CA
Simi Valley, CA
Davis, CA
Santa Rosa, CA
Richmond, CA
Folsom Lake, CA
Ventura, CA
Sat Mar 1, 2025
Sat Mar 2, 2024 (T)
Sat Mar 2, 2024
Sun Mar 2, 2025
Sat Mar 2, 2025 (NWF)
Sat Mar 8, 2025
Sat Mar 9, 2024
Sun Mar 10, 2024
Sat Mar 15, 2025 (T)
Sat Mar 16, 2024
Sat Mar 16, 2024
Sun Mar 23, 2025
Sun Mar 17, 2024
Sat Mar 23, 2024
Sat Mar 23, 2024 (T)
Sat Mar 23, 2024
Sun Mar 24, 2024 (NWF)
Sun Mar 24, 2024
Sun Mar 26, 2023
Sat Mar 29, 2025
Sat Mar 30, 2024
Sat Mar 30, 2024
Sun Mar 31, 2024
SOCAL River Marathon 26.2, 13.1, 10k, 5k
San Joaquin River Trail 1/2 Marathon 2024 Registration
Bidwell Classic Half Marathon & 5K
Run-Through-Redlands Half Marathon
Livermore Valley Half Marathon
T9 Mermaid Half Marathon, 10k, 5k San Diego
End of the Trail Half Marathon & 5k 2024 Registration
Tesoro Viejo Spring Classic Run Half Marathon, 10k, 5k
Folsom South Side Trail Run 38mi, 50k, 21mi, 13.1mi, 10k, 5k
BWR Rockin' Shamrock Long Beach Half Marathon, 15k, 10k, 5k
ZOOM San Francisco Half Marathon, 10k, 5k
Oakland Marathon, Half Marathon, 10k, 5k
BWR Rockin' Shamrock Irvine Half Marathon, 15k, 10k, 5k
Griffith Park 50k, 30k, Marathon, Half Marathon
Valencia Trail Race 10k, Half Marathon, 50k
Fiercelifit Half Marathon, 10k, 5k
Modesto Marathon, Half Marathon, 5k & Relay
PCRF Reaching for the Cure Run Half Marathon, 10k, 5k
Folsom Lake Falcon Crest Trail 13.1, 8mi, 10k & 5k
Montana de Oro Half Marathon, 50k, 36k, 12k
BWR Happy Easter Long Beach Half Marathon, 15k, 10k, 5k
Huntington Beach, CA
Auberry, CA
Chico, CA
Redland, CA
Livermore, CA
San Diego, CA
Visalia, CA
Madera, CA
Folsom, CA
Long Beach, CA
San Francisco, CA
Oakland, CA
Irvine, CA
Los Angeles, CA
Valencia, CA
Freemont, CA
San Diego, CA
Modesto, CA
Irvine, CA
El Dorado Hills, CA
San Oslos, CA
Long Beach, CA
Santa Monica, CA
Sat Apr 5, 2025 (T)
Sat Apr 6, 2024 (T)
Sat Apr 6, 2024
Sun Apr 7, 2024
Sat Apr 13, 2024 (T)
Sat Apr 13, 2024
Sat Apr 13, 2024
Sat Apr 13, 2024
Sat Apr 22, 2023
Sun Apr 14, 2024
Sun Apr 14, 2024
Sat Apr 20, 2024
Sat Apr 20, 2024
Sun Apr 21, 2024
Sun Apr 21, 2024 (NWF)
Sat Apr 27, 2024
Sat Apr 27, 2024
Sun Apr 28, 2024
Sun Apr 28, 2024
Santa Teresa King Richard Half Marathon, 10mi, 10k, 5k
Diablo Trails Challenge Half Marathon, 50k, 10k, 5k
Finish the Run Griffith Park Half Marathon & 5k
Bakersfield Marathon & Half Marathon
SPASM Lake Chabot Trail Marathon, Half Marathon, 50k, 30k, 5mi
Great Race Half Marathon, 15k, 10k, 5k, 10mi, 1mi
California Classic Half Marathon - Run through the Zoo
Rodeo Beach Rumble Half, 30k, 8k
Heartbreak Ridge Half Marathon, 10k, 5k, 1k
San Diego Beach & Bay Half Marathon, 10k, 5k
Surfer's Path Marathon & Capitola Half Marathon
IPA 10k, Half Marathon, 3k & Two Person Team
Badger Cove Half Marathon, 10k, 5k
Horseshoe Lake Trail Marathon, Half Marathon, 30k, 5mi
The American River Parkway Half Marathon
Sierra Azul Trail Challenge Half Marathon, Marathon, 50k, 20mi, 7mi, 5k
Napa Women's Half Marathon & 5k
San Jose, CA
Walnut Creek, CA
Los Angeles, CA
Bakersfield, CA
Castro Valley, CA
Agoura Hills, CA
Fresno, CA
Mill Valley, CA
Camp Pendleton, CA
San Diego, CA
Santa Cruz, CA
Sebastopol, CA
Fremont, CA
Los Gatos, CA
Visalia, CA
Carmichael, CA
San Jose, CA
Napa, CA
Ventura, CA
Sat May 4, 2024 (T)
Sun May 5, 2024
Sun May 5, 2024
Sun May 5, 2024
Sun May 5, 2024
Sat May 11, 2024
Sat May 11, 2024
Sat May 11, 2024 (NWF)
Sat May 11, 2024 (T)
Sat May 11, 2024 (T)
Sat May 11, 2024 (T)
Sat May 11, 2024
Sat May 11, 2024
Sat May 11, 2024
Sun May 12, 2024
Sun May 12, 2024
Sun May 12, 2024
Sat May 18, 2024
Sat May 18, 2024
Sat May 18, 2024
Sun May 18, 2024
Sun May 19, 2024
Sun May 21, 2023
Sat May 25, 2024
Sat May 25, 2024
Hacienda Hills Run Half Marathon, Marathon, 50k, 9mi, 10k, 5k
The OC Marathon, Half Marathon & 5K
Windsor Half Marathon, 10k, 5k
Avenue of the Giants Marathon, Half Marathon
Vacation Races Yosemite Half Marathon
Mermaid Run Mare Island Half Marathon, 10k, 5k
Santa Barbara Wine Country Half Marathon & Relay
Trail Run at Sly Park 50k, 20mi, 13.1mi, 10mi, 5k
Muir Woods Marathon, Half Marathon, 7mile
Grizzly Peak Trail Marathon, Half Marathon, 50k, 30k, 10k
BWR Mother's Day Long Beach Half Marathon, 15k, 10k, 5k
Sunshine Sprint Half Marathon, 15k, 10k, 5k
Nitro Trail Half Marathon, 10k, 5k
The Suasquatch Scramble Half Marathon, 10k, 5k
Run for the Rose Half Marathon, 15k, 10k, 5k
BWR Mother's Day Santa Monica Half Marathon, 15k, 10k, 5k
La Jolla Half Marathon & La Jolla Shores 5K
Wildcat Half Marathon, 10k, 5k
Sutter Buttes Spirit Mountain Run 5k, 10k & Half Marathon
Run You Must Half Marathon, 15k, 10k, 5k
Running for the Rescues Half Marathon, 15k, 10k, 5k
Gold Country Half Marathon & 5k
San Jose, CA
Costa Mesa, CA
Oakland, CA
Windsor, CA
Weott, CA
Bass Lake, CA
Vallejo, CA
Santa Barbara, CA
Pollock Pines, CA
Stinson Beach, CA
Berkley, CA
Long Beach, CA
Santa Monica, CA
Pinole, CA
Oakland, CA
Long Beach, CA
Santa Monica, CA
La Jolla, CA
El Sobrante, CA
Sutter, CA
Santa Monica, CA
Long Beach, CA
Sacramento, CA
Concord, CA
Placerville, CA
Sat Jun 1, 2024
Sat Jun 1, 2024
Sat Jun 1, 2024
Sun Jun 2, 2024
Sun Jun 2, 2024
Sun Jun 2, 2024
Sun Jun 2, 2024
Sat Jun 8, 2024 (T)
Sat Jun 8, 2024
Sat Jun 10, 2023
Sun Jun 9, 2024
Sun Jun 11, 2023
Sat Jun 15, 2024
Sat Jun 15, 2024
Sat Jun 15, 2024
Sun Jun 16, 2024
Sun Jun 16, 2024
Sat Jun 22, 2024
Sun Jun 23, 2024
The Loco Go Big or Go Home Challenge 10k, Half Marathon, 50k
Fontana Day's Run Half Marathon
Calero Trail Run 50k, 25k, Half Marathon, 15k, 10k, 5k
Logix Love Run 1/2 Marathon, 10k, 5k, 1mi
Rock'n'roll San Diego Marathon, Half Marathon
Lake Chabot Trail Challenge Half Marathon & 5k
Cinderella Trail Run Marathon, Half, 50k, 30k, 5mi
Trail Quake Half Marathon, 10k, 5k
Beachfront Run Half Marathon, 10k, 5k
Long Beach Classic Half Marathon & 5k
Need For Speed Top Gun Half Marathon, 15k, 10k, 5k
Sugar Daddy Half Marathon, 10k, 5k
BWR Father's Day Long Beach Half Marathon, 15k, 10k, 5k
Olympic Valley Half Marathon & 8 Miler
Burton Creek Trail Run Lake Tahoe Half Marathon, 12/6k
BWR Father's Day Santa Monica Half Marathon, 15k, 10k, 5k
Angel Island Half Marathon and 5 Mile
Butte Meadows, CA
Fontana, CA
San Jose, CA
Westlake, CA
San Diego, CA
Lake Chabot, CA
San Jose, CA
Oakland, CA
Saratoga, CA
Ventura, CA
Long Beach, CA
Fountain Valley, CA
Santa Clarita, CA
Long Beach, CA
Olympic Valley, CA
Tahoe City, CA
Santa Monica, CA
Tiburon, CA
Simi Valley, CA
Sun Jul 6, 2024
Sun Jul 2, 2023
Thu Jul 4, 2024 (W)
Fri Jul 5, 2024
Sat Jul 6, 2024
Sat Jul 13, 2024
Sun Jul 14, 2024 (W)
Sun Jul 21, 2024
Sat Jul 20, 2024
Sat Jul 20, 2024
Sun Jul 21, 2024
Sun Jul 30, 2023
Zoom Firecracker Run Half Marathon, 10k, 5k
Hernia Hill Half Marathon, 10k, 5k 2023 Registration
BWR Independence Day Half Marathon, 15k, 10k, 5k
BWR Stars & Stripes Half Marathon, 15k, 10k, 5k
BWR Freedom Half Marathon, 15k, 10k, 5k
San Lorenzo River Marathon, Half Marathon, 50k, 30k, 10k
Shoreline Half Marathon, 10k, 5k
Napa to Sonoma Half Marathon Wine Country Half Marathon
Kirkwood's Thunder Mountain Trail Half Marathon, 18.8mi, 8mi, 50/10/5k
Bad Bass Half Marathon, 10k, 5k
San Francisco Marathon, 1st Half Marathon, 2nd Half Marathon
Fremont, CA
Strawberry, CA
Santa Monica, CA
Long Beach, CA
Long Beach, CA
Santa Cruz, CA
Ventura, CA
Napa, CA
Oakland, CA
Castro Valley, CA
San Francisco, CA
Santa Monica, CA
Sat Aug 3, 2024
Sat Aug 3, 2024
Sun Aug 4, 2024
Sat Aug 10, 2024
Sat Aug 10, 2024
Sat Aug 12, 2023 (W)
Sun Aug 13, 2023
Sun Aug 11, 2024 (W)
Sun Aug 11, 2024
Sun Aug 18, 2024
Sun Aug 20, 2023 (W)
Sat Aug 24, 2024 (T)
Sun Aug 25, 2024
Camarillo Marathon, Half Marathon, 10k, 5k
Redwood (Summer) Trail Run Marathon, Half Marathon 50/30k, 5mi
Brazen Bear Creek Half Marathon, 10k, 5k
BWR Summer Dash Half Marathon, 15k, 10k, 5k
Lake Merced Half Marathon & 4.5mi 2023 Registration
Humboldt Bay Half Marathon, 5k & Marina Mile
Sar Wild Run Half Marathon, 10k, 5k, 2mi 2024 Registration
America's Finest City Half Marathon & 5K
BWR Fun in the Sun Half Marathon, 15k, 10k, 5k
Trail Run at Sly Park 50k, 20mi, 13.1mi, 10mi, 5k
Exeter, CA
Truckee, CA
Camarillo, CA
Oakland, CA
Martinez, CA
Long Beach, CA
San Francisco, CA
Arcata, CA
Shaver Lake, CA
San Diego, CA
Santa Monica, CA
Pollock Pines, CA
Santa Barbara, CA
Sat Sep 2, 2023
Sun Sep 3, 2023
Sun Sep 8, 2024
Sun Sep 10, 2023
Sat Sep 14, 2024
Sun Sep 10, 2023
Sat Sep 21, 2024
Sat Sep 28, 2024
Sat Sep 28, 2024 (T)
Sat Sep 28, 2024 (T)
Vulture Venture Half Marathon, 15k, 10k, 5k
Crystal Springs (Summer) Trail Run Marathon, 30k, Half Marathon, 8k
Surfers Point Marathon, Half Marathon, 10k, 5k
Sevathon Half Marathon, 10k, 5k
South Hills Single Track Trail Run 13.1mi, 10k, 5k
Delta Harvest Fest 13.1mi, 10k, 5k
Rocky Ridge Half Marathon, 10k, 5
Arnold Rim Trail Endurance Runs 37mi, 22mi, Half Marathon, 10k
Pacifica Summit Run Half Marathon & 5k
Santa Monica, CA
Woodside, CA
Ventura, CA
Los Gatos, CA
San Jose, CA
Brentwood, CA
San Ramon, CA
Arnold, CA
Pacifica, CA
Big Sur, CA
Sun Oct 1, 2023 (NWF)
Sun Oct 1, 2023
Sat Oct 7, 2023
Sat Oct 5, 2024 (T)
Sun Oct 6, 2024
Sun Oct 6, 2024
Sun Oct 6, 2024
Sun Oct 8, 2023
Sat Oct 19, 2024
Sun Oct 6, 2024
Sun Oct 15, 2023
Sun Oct 20, 2024
Sun Oct 22, 2023 (T)
Sat Oct 5, 2024 (T) (W)
Sun Oct 20, 2024
Sun Oct 20, 2024
Sat Oct 26, 2024
Sat Oct 28, 2023
Sat Oct 29, 2022
Sun Oct 27, 2024
Sun Oct 29, 2023
Sun Oct 29, 2023
Sun Oct 29, 2023
Lions Turtle Bay Three Bridges Half Marathon
Historic Knights Ferry Half Marathon
Rancho San Vicente Trail 13.1mi, 10 mi, 8mi, 10k, 5k
Urban Cow Half Marathon, & Relay, 5k
Rock'n'Roll San Jose 1/2 Marathon
Humboldt Redwoods Marathon & Half Marathon
Kokanee Trail Runs 1/2 Marathon, 10k, 5k
Long Beach Marathon, Half Marathon
Clo Cow Half Marathon, 10k, 5k
Pasadena Trail Half Marathon, 10k, 5k
SPACEROCK Trail Race Half Marathon, 10k, 5k
Cloverdale Vineyard Races Marathon, Half Marathon & 5k
Mission Inn Run Half Marathon, 10k, 5k
Trail Run at Sly Park Marathon, Half Marathon, 50/10/5k, 17mi
BWR Monster Dash LB Half Marathon, 15k, 10k, 5k
Hallowine Run Half Marathon & 5k
Malibu Moves 5k, Half Marathon & Kids Run
ZombieRunner Halloween Run Marathon, Half Marathon, 10k, 5k
BWR Monster Dash SM Half Marathon, 15k, 10k, 5k
Napa, CA
Redding, CA
Oakdale, CA
San Jose, CA
Sacramento, CA
San Jose, CA
Weott, CA
Lake Tahoe, CA
Carnelian Bay, CA
Long Beach, CA
Petaluma, CA
Emerald Bay, CA
Pasadena, CA
Aqua Dulce, CA
Cloverdale, CA
Riverside, CA
Pollock Pines, CA
Long Beach, CA
Healdsburg, CA
Malibu, CA
San Jose, CA
Santa Monica, CA
Paso Robles, CA
Sat Nov 2, 2024
Sat Nov 4, 2023 (T)
Sat Nov 4, 2023 (night)
Sun Nov 3, 2024
Sun Nov 5, 2023
Sun Nov 3, 2024 (NWF)
Sun Nov 3, 2024 (W)
Sun Nov 5, 2023
Fri Nov 15, 2024 (W)
Sat Nov 16, 2024 (W)
Sat Nov 9, 2024 (T)
Sun Nov 11, 2023
Sun Nov 11, 2023 (T)
Sun Nov 11, 2023
Sun Nov 11, 2023
Sun Nov 12, 2023
Sun Nov 10, 2024 (NWF)
Sun Nov 12, 2023
Sat Nov 18, 2023 (W)
Sun Nov 17, 2024
Thu Nov 23, 2023
Thu Nov 23, 2023 (T)
Fri Nov 24, 2023
Sat Nov 25, 2023
Sun Nov 25, 2023 (T)
Sun Nov 26, 2023
Thrive San Diego Half Marathon & 5k
Lake Chabot Trail Half Marathon, Marathon, 50k, 5mi
Santa Barbara Half Marathon & 5k
Golden Gate Half Marathon [3 hour course time limit]
Two Cities Marathon, Half Marathon & Relay
Mainly Marathons Southwest Series 26.2mi, 13.1mi, 50/10/5k (day 6)
Revel Big Bear Marathon & Half Marathon
Catalina Island Half Marathon & 10k
Mermaid Trail Run Half Marathon, 9mi, 6mi, 3mi
Saddleback Marathon & Half Marathon
BWR Veterans Day Half Marathon, 15k, 10k, 5k
Silver Strand Half Marathon & 5k
Monterey Bay Half Marathon (formerly Big Sur Half Marathon)
Clarksburg County Run Half Marathon, 10k, 5k, 20mi
Davis Turkey Trot Half Marathon, 10k, 5k, Relay
Berkley Half Marathon, 10k, 5k
BWR Thanksgiving Day Turkey Trot Santa Monica Half Marathon, 15/10/5k
Zoom Turkey Trot Half Marathon, 10k, 5k
BWR Turkey Trot (Fri) Half Marathon, 15k, 10k, 5k
BWR Turkey Trot (Sat) Half Marathon, 15k, 10k, 5k
Black Mountain Turkey Burner Half Marathon, 10k, 5k Trail Race
San Diego, CA
Castro Valley, CA
Joshua Tree, CA
Santa Barbara, CA
Malibu, CA
San Francisco, CA
Tustin, CA
Fresno, CA
Nipton, CA
Big Bear, CA
Avalon, CA
Temecula, CA
Woodside, CA
Lake Elsinore, CA
Long Beach, CA
San Diego, CA
Monterey, CA
Clarksburg, CA
Davis, CA
Berkley, CA
Santa Monica, CA
San Jose, CA
Santa Monica, CA
Long Beach, CA
San Diego, CA
Long Beach, CA
Sat Dec 7, 2024 (T)
Sun Dec 8, 2024
Sun Dec 8, 2024
Sat Dec 9, 2023
Sun Dec 15 , 2024
Sun Dec 10, 2023
Sun Dec 10, 2023
Sat Dec 14, 2024
Sat Dec 14, 2024
Sun Dec 17, 2023
Sun Dec 23, 2023
Sat Dec 23, 2023 (T)
Sun Dec 24, 2023
Sun Dec 25, 2023
Sun Dec 31, 2023
Death Valley Trail Marathon & Half Marathon
Lopers Holiday Classic Half Marathon & 5k
Santa To The Sea Half Marathon
Summit Rock Half Marathon, 10k, 5k
Zoom Quarry Lakes Marathon, Half Marathon, 10k, 5k
Santa Hustle Roseville Half Marathon & 5k
San Diego Holiday Half Marathon
Hark the Herald Angels Half Marathon & 10k
Elite Sports Holly Jolly Half Marathon, 10k, 5k
BWR Reindeer Run Half Marathon, 15k, 10k, 5k
Placerville Path Run Jingle & Mingle 13.1mi, 10k, 5k
BWR Holiday Fun Half Marathon, 15k, 10k, 5k
BWR Happy Holidays Half Marathon, 15k, 10k, 5k
Death Valley, CA
Loma Linda, CA
Oxnard, CA
Saratoga, CA
Pomona, CA
Fremont, CA
Roseville, CA
San Diego, CA
Tiburon, CA
Camarillo, CA
Long Beach, CA
Placerville, CA
Santa Monica, CA
Long Beach, CA
Fremont, CA
The California Half Marathon Calendar is a complete simplistic listing of California half marathons. Currently the California half marathon schedule has 2024 California half marathons and 2025 California half marathons as they roll in. California half marathons 2024 & California half marathons 2025 also identify trail half marathons and walker friendly half marathons by a (T) symbol and a (W) symbol. The (T) means it is a TRUE trail half marathon (off road, switchbacks, etc) and a (W) means it is truly "official walker friendly" requiring the half marathon to allow a minimum of 18:32 mile pace, minimum 4 hours for participants to finish the 13.1 mile distance. The California half marathons 2018 should be starting to roll out soon!
The California half marathon calendar features a complete listing of San Diego half marathons, San Francisco half marathons, Los Angeles half marathons, Sacramento half marathons, San Jose half marathons, Southern California half marathons, Northern California half marathons, and many more 1/2 marathons in CA.
A half marathon is 13.1 miles (or in kilometers is a 21k). We understand sometimes there will be a slight margin of error up or down when runners run or walk any race distance, however our calendar only is a listing for true half marathons that do all they can to measure their course as an official half marathon 13.1 mile / 21k distance. Races that are not 13.1 miles, we encourage not to call their race a 1/2 marathon to lessen confusion for runners & walkers looking to participate in a true 1/2 marathon distance. Some runners don't care, but you'd be surprised how many that do.