California Race Calendar

California Half Marathons by Date • By City

Browse all 2021-2022 California half marathons by month below. For each race, you’ll find course maps, elevation profiles, runner reviews, and how to sign up.

When you view a race, you’ll also find contact info if you’re having problems with your registration or need to contact the race directors.


January 2022

Sat Jan 1 Run in the New Year Half Marathon 10K & 5K Huntington Beach CA
Sun Jan 9 Del Dios Half Marathon 10K & 5K Escondido CA
Sun Jan 16 Carlsbad Marathon Half Marathon & 5K Carlsbad CA
Sun Jan 23 Sombrero Half Marathon Simi Valley CA

February 2022

March 2022

April 2022

May 2022

Sun May 1 Bay Bridge Half Marathon Oakland CA
Sat May 7 Yosemite Half Marathon Bass Lake CA

June 2021


July 2021

August 2021

Sun Aug 1 SAR Wild Run Half Marathon 10K & 5K Shaver Lake CA
Sun Aug 1 Skyline Endurance Run 50K & Half Marathon Castro Valley CA
Sat Aug 7 Hell of a Half Marathon Exeter CA
Sat Aug 7 Rodeo Valley Trail Run Sausalito CA
Sun Aug 8 Camarillo Marathon Half Marathon 10K & 5K Camarillo CA
Sat Aug 14 Beachfront Run Half Marathon 10K & 5K Ventura CA
Sat Aug 14 Fun in the Sun Half Marathon 15K 10K & 5K Long Beach CA
Sun Aug 15 America's Finest City Half Marathon & 5K San Diego CA
Sun Aug 15 Fun in the Sun Half Marathon 15K 10K & 5K Santa Monica CA
Sat Aug 21 Golden State Half Marathon 50K 35K & 10K Monterey CA
Sat Aug 21 Kodiak Half Marathon & 10K Big Bear Lake CA
Sat Aug 21 Sly Park Lake Trail Run Pollock Pines CA
Sun Aug 22 Diablo Trail Half Marathon 50K 4M & 10M Clayton CA
Sun Aug 22 Summer Dash Half Marathon 15K 10K & 5K Santa Monica CA
Sat Aug 28 Angel Island Half Marathon & 10K Tiburon CA
Sat Aug 28 Mendocino Running Festival Half Marathon & 10K Mendocino CA
Sat Aug 28 Mt. Madonna Challenge Half Marathon 10K & 5K Gilroy CA
Sat Aug 28 Summer Sizzle Half Marathon 15K 10K & 5K Long Beach CA
Sun Aug 29 Santa Rosa Marathon & Half Marathon Santa Rosa CA
Sun Aug 29 Summer Sizzle Half Marathon 15K 10K & 5K Santa Monica CA

September 2021

Sat Sep 4 Beach Dash Half Marathon 15K 10K & 5K Long Beach CA
Sat Sep 4 China Camp Trail Run Half Marathon 10K & 5K San Rafael CA
Sun Sep 5 Beach Fun Half Marathon 15K 10K & 5K Santa Monica CA
Sun Sep 5 Pier to Peak Half Marathon Santa Barbara CA
Sun Sep 5 Sycamore Canyon Half Marathon 100K & 50K San Diego CA
Mon Sep 6 Labor Day Half Marathon 15K 10K & 5K Long Beach CA
Sat Sep 11 Bad Bass Half Marathon 10K & 5K Castro Valley CA
Sat Sep 11 Surf City USA Marathon & Half Marathon Huntington Beach CA
Sat Sep 11 Zoom San Francisco Half Marathon 10K & 5K San Francisco CA
Sun Sep 12 Pacifica Summit Run Half Marathon Pacifica CA
Sun Sep 12 Star City San Bruno Mountain Half Marathon & 5K Brisbane CA
Sun Sep 12 Windsor Run and Wine Half Marathon 10K & 5K Windsor CA
Fri Sep 17 Moonlight Run and Walk Half Marathon 10K & 5K Palo Alto CA
Sat Sep 18 Almaden Hills Trail Run San Jose CA
Sat Sep 18 Berkeley Trail Adventure Run Berkeley CA
Sat Sep 18 Horsethief Half Marathon Alpine CA
Sat Sep 18 Mt. Tam Wild Boar Half Marathon & 10K Mill Valley CA
Sat Sep 18 Run the River for the Ridge Half Marathon Riverside CA
Sat Sep 18 San Jose Spartan Trail Half Marathon 50K & 10K Saratoga CA
Sat Sep 18 Wascally Wabbit Half Marathon & 5K Fresno CA
Sun Sep 19 Avenue of the Giants Marathon Half Marathon & 10K Weott CA
Sun Sep 19 San Francisco Marathon & Half Marathons San Francisco CA
Sun Sep 19 Summer's End Half Marathon 15K 10K & 5K Santa Monica CA
Sat Sep 25 Rocky Ridge Half Marathon 10K & 5K San Ramon CA
Sun Sep 26 Rose Bowl Half Marathon & 5K Pasadena CA

October 2021

Sat Oct 2 Big Sur Trail Marathon Half Marathon & 5-Mile Big Sur CA
Sat Oct 2 Lover's Leap of Faith Marathon Half Marathon 50K 18M 9M 10K 5K & 2M Kyburz CA
Sat Oct 2 Oktoberfest Half Marathon 15K 10K & 5K Long Beach CA
Sun Oct 3 California Classic Half Marathon 10K & 5K Fresno CA
Sun Oct 3 Cops vs COVID Run Half Marathon & 5K Modesto CA
Sun Oct 3 Heart of Cool Trail Run Half Marathon 10K & 5K Cool CA
Sun Oct 3 Lions Turtle Bay Run Three Bridges Half Marathon Redding CA
Sun Oct 3 Napa Half Marathon & Quarter Marathon Napa CA
Sun Oct 3 Rock 'n' Roll San Jose Half Marathon & 10K San Jose CA
Sun Oct 3 Urban Cow Half Marathon Sacramento CA
Sat Oct 9 Auburn Half Marathon 12K & 5K Auburn CA
Sat Oct 9 Brazen Goonies Half Marathon 10K & 5K Vacaville CA
Sat Oct 9 Rancho Canada Del Oro Trail Challenge Morgan Hill CA
Sun Oct 10 Heavenly Half Marathon Auberry CA
Sun Oct 10 Humboldt Redwoods Half Marathon & 5K Weott CA
Sun Oct 10 Long Beach Marathon & Half Marathon Long Beach CA
Sat Oct 16 John Wayne Grit Series – Lone Pine Half Marathon & 10K Lone Pine CA
Sat Oct 16 Napa Wine Country Marathon Half Marathon & 10K Calistoga CA
Sat Oct 16 Spacerock Trail Race Half Marathon 10K & 5K Agua Dulce CA
Sun Oct 17 Folsom Blues Breakout Half Marathon 5K & Relay Folsom CA
Sun Oct 17 Run Rocklin Half Marathon 12K & 5K Rocklin CA
Sun Oct 17 Running of the Elk Half Marathon 10K & 5K Elk Grove CA
Sat Oct 23 California Gold Rush Trail Run Half Marathon 15K 10K & 5K Coloma CA
Sat Oct 23 Death Valley Half Marathon & 10K Death Valley CA
Sat Oct 23 Diablo Summit Stomp Half Marathon 30K 10K & 5K Walnut Creek CA
Sat Oct 23 Napa Wine Country Marathon Half Marathon & 10K Calistoga CA
Sat Oct 23 Pinkathon Challenge for Breast Cancer San Francisco CA
Sat Oct 23 Santa Barbara Wine Country Half Marathon Solvang CA
Sat Oct 23 Tilden Trail Half Marathon & 10K Orinda CA
Sun Oct 24 Mission Inn Run Half Marathon 10K & 5K Riverside CA
Sun Oct 24 Rock 'n' Roll San Diego Marathon & Half Marathon San Diego CA
Fri Oct 29 – Sun Oct 31 Lake Tahoe Marathon: Nevada Carnelian Bay & Emerald Bay Half Marathons South Lake Tahoe CA
Sat Oct 30 Hiawatha Trail Races Marathon Half Marathon & Quarter Marathon Newbury Park CA
Sat Oct 30 Oakland Hills Trail Run Half Marathon 35K & 10K Oakland CA
Sat Oct 30 Stinson Beach Marathon Half Marathon & 7-Mile Stinson Beach CA
Sun Oct 31 Marin County Half Marathon 10K & 5K San Rafael CA
Sun Oct 31 ZombieRunner Halloween Marathon Half Marathon 10K & 5K San Jose CA

November 2021

Sat Nov 6 Almaden Hills Trail Run San Jose CA
Sat Nov 6 Golden Gate Headlands Marathon Half Marathon & 10K Sausalito CA
Sat Nov 6 Joshua Tree Half Marathon Joshua Tree CA
Sat Nov 6 Thrive Half Marathon & 5K San Diego CA
Sun Nov 7 Golden Gate Half Marathon & 5K San Francisco CA
Sun Nov 7 OC Half Marathon & 5K Newport Beach CA
Sun Nov 7 Surfers Point Marathon Half Marathon 10K & 5K Ventura CA
Sun Nov 7 Two Cities Marathon Half Marathon 10K & 5K Clovis CA
Fri Nov 12 Southwest Series Marathon Half Marathon 10K & 5K – Day 6 Nipton CA
Sat Nov 13 Catalina Island Half Marathon & 10K Avalon CA
Sat Nov 13 Mt. Tam Trail Run Half Marathon 50K 30K & 10K Stinson Beach CA
Sat Nov 13 Revel Big Bear Marathon & Half Marathon Big Bear CA
Sat Nov 13 Sugar Daddy Half Marathon 10K & 5K Santa Clarita CA
Sun Nov 14 Clarksburg Country Run Half Marathon 20M 10K & 5K Clarksburg CA
Sun Nov 14 Malibu Half Marathon & 5K Malibu CA
Sat Nov 20 Davis Turkey Trot Half Marathon 10K & 5K Davis CA
Sat Nov 20 Trail Run at Sly Park Marathon Half Marathon 50K 18M 8.5M 10K & 5K Pollock Pines CA
Sat Nov 20 USA Women's Marathon & Half Marathon Palm Desert CA
Sun Nov 21 City to the Sea Half Marathon & Seaside 5K San Luis Obispo CA
Sun Nov 21 Golden Gate Trail Classic Half Marathon & 10K San Francisco CA
Sun Nov 21 MandaRUN Half Marathon & 5K Loomis CA
Sun Nov 21 SoCal Spartan Trail Run Half Marathon 10K & 5K Lebec CA
Sat Nov 27 Black Mountain Turkey Burner Half Marathon 10K & 5K San Diego CA
Sat Nov 27 Napa Valley Endurance Run Calistoga CA
Sat Nov 27 Quarry Turkey Half Marathon 10K & 5K Fremont CA

December 2021