Half Marathon Races in San Diego

Del Dios Trail Race

Distances: 50K, Half Marathon, 10K, 5K
Nicknamed the “Race of the Gods,” the Del Dios Trail Race offers picturesque views of Lake Hodges along courses featuring dirt service roads or single track trails, with elevation gains between 100'-1000' based on race distance. 

SD50 & Trail Runs 

Distances: 50M, Marathon, Half Marathon, 10M, 5M, 5K and 1M Fun Run 
The SD50 & Trail Runs event offers a range of distances for all running levels, including the San Diego 50M, a great introduction to ultramarathons; the San Diego Trail Marathon, with a summit at Raptor Ridge; the San Diego Trail Heavy Half Marathon, for exploring new trails; the Summit Chase 10m Challenge to the Raptor Ridge summit; and the new Valley 5m on a flat course with scenic views. 

San Diego Resolution Run 

Distances: Half Marathon, 10K, 5K 
Start off the new year with beautiful water views along Mission Bay at the San Diego Resolution Run. Then keep the healthy feeling going at the wellness village that awaits you at the finish line. 

Carlsbad Marathon & Half Marathon 

Distances: Marathon, Half Marathon, 5K 
Take in miles and miles of breathtaking ocean views with outstanding course support and entertainment as you run the Carlsbad Marathon & Half Marathon.

San Pasqual Valley Trail Race 

Distances: 20M, Half Marathon, 10K
Run through wine country while being treated to epic views as you summit Raptor Ridge not once but twice during the San Pasqual Valley Trail Race. Looking for something flatter? Try the 10K course, which will still reward you with local wines at the finish line. 

The Ranch 50K/Half Marathon 

Distances: 50K, Half Marathon
 Escape into San Diego’s natural landscape through Escondido’s Daley Ranch during the Ranch 50K/Half Marathon. 

Sycamore Canyon Trail Race 

Distances: 100K, 50K, Half Marathon 
Enjoy a beautiful loop course through Goodman Ranch Sycamore Canyon Preserve just east of downtown San Diego during the Sycamore Canyon Trail Race.

Mermaid Half Marathon San Diego 

Distances: Half Marathon, 10K, 5K 
The Mermaid Half Marathon returns to San Diego's Mission Bay for a scenic women's 5K, 10K and half marathon. Come out and experience the joy of crossing the finish line. 

Old West Trail Runs 

Distances: 50K, Marathon, Half Marathon 
The desert in spring shows off its scenic wonders at their finest, and brings the most comfortable weather for running, camping and other fun activities, as all the Old West Trail Runs’ courses lead you through Anza Borrego Desert State Park’s most diverse and pristine lands. 

Moonlight Beach Half Marathon 

Distances: Half Marathon, 10K, 5K 
Celebrate St. Patrick’s Day with a splash of green and a dash of Irish spirit at the Moonlight Beach Half Marathon along the beautiful Pacific Ocean near Moonlight State Beach in Encinitas. 

Mission Beach Solo-Half, Half Team Relay, 9k & 5k 

Distances: Half Marathon, 9K, 5K 
Enjoy the sound of the waves as you run on the sands of Mission Beach during the Mission Beach Solo-Half, Half Team Relay, 9k & 5k. 

GOVX San Diego Half Marathon & 5K 

Distances: Half Marathon, 5K 
By the numbers, the GOVX San Diego Half Marathon and 5K offers five miles of waterfront, four historic communities, three beautiful parks, two miles through downtown San Diego, and one epic Gaslamp finish!

San Diego Beach & Bay Half Marathon, 5K & 10K 

Distances: Half Marathon, 10K, 5K 
Run past some of San Diego’s most beautiful beaches, bays and resorts during the fast, flat and scenic San Diego Beach & Bay Half Marathon, 5K & 10K. Then stick around because the party starts at the finish line with live music, a beer garden, snacks, photo opportunities and much more.

Liberty Station Half/Full Marathon Relay, Solo Half & 5K Runs 

Distances: Half Marathon, 5K 
Whether on your own or with a teammate, the Liberty Station Half/Full Marathon Relay, Solo Half & 5K Runs offer waterfront views, game activities onsite and a unique exchange-area trivia game for relay teams! 

La Jolla Half Marathon & La Jolla Shores 5K 

Distances: Half Marathon, 5K 
The La Jolla Half Marathon & La Jolla Shores 5K are among America's most picturesque and beautiful point-to-point races. Starting at the Del Mar Fairgrounds, the half-marathon course follows a scenic coastal route before reaching the challenging climb to the summit of Torrey Pines State Park.

Rock ‘n’ Roll San Diego 

Distances: Marathon, Half Marathon, 5K 
Starting at Balboa Park and finishing in Downtown San Diego, this renowned race invites you to explore up to eight well-known neighborhoods and experience an insider tour that even locals rave about. The Rock ‘n’ Roll San Diego’s ultimate running tour highlights all the iconic communities, their personalities and everything we love about America's Finest City: San Diego, CA. 

Black Mountain Trail Races 

Distances: 50K, 25K, Half Marathon 
Whether running the 50K, 25K or half marathon, runners will be treated to challenging and beautiful San Diego trails! These trail systems run over and through the Black Mountain Open Space and meander through the scenic Lusardi Creek Loop.