Worldwide Half Marathon Calendar – Manually Vetted Races | HalfMarathon.net 2,432 events | HalfMarathon.net

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Oct

17

2026

Agua Dulce, California (United States of America) - "Spacerock Trail Race". Spacerock: the final trail running frontier. These are the voyages of trail runners around the world. Your mission: to explore strange new trails, to seek out new life and new experiences, to boldly run where no one has run before. Experience the exotic trails and sights of the world-famous Vasquez Rocks Natural Park in Southern California. Known as the backdrop for popular TV shows and movies including Star Trek, The Flintstones, Battlestar Galactica, Planet of the Apes, and many of our favorite classic westerns films. Now get a spectacular experience running the trails at the SPACEROCK Trail Race! Distances: 5K / 10K / 15K / Half Marathon. www.spacerocktrailrace.com

Oct

17

2026

Lone Pine, California (United States of America) - "John Wayne Grit Series Lone Pine, CA Half Marathon & 10K". Run to fight cancer where John Wayne filmed multiple movies in the Alabama Hills near Lone Pine, CA. This awe-inspiring trail run goes through the Alabama Hills National Scenic Area and features dirt roads, single track trails, hills, and spectacular views of Mt. Whitney. Run for FREE by committing to fundraise or pay the registration fee. Walkers welcome. The event benefits the John Wayne Cancer Foundation so every step you take advances the fight against cancer through pioneering cancer research and programs. www.johnwayne.org/pages/lonepine

Nov

07

2026

Silverado, California (United States of America) - "The Saddleback Marathon". Check in: 6:00 am - 7:00 am Race Announcements: 7:20 am Race Start: 7:30 am (8:00 for 10k) Aid Stations (distances are approximate): AS 1: 3.1 miles, 10k turnaround AS 2: 6.6 miles near Mariposa, 1/2 marathon turnaround AS 3: 7.5 miles, Black Star Cyn Rd / N. Main Divide junction AS 4: 8 miles, near Doppler, 25k turnaround AS 5: 8.5 miles Black Star Cyn Rd / N. Main Divide junction AS 6: 13.1 miles Skyline bottom, marathon turnaround, then marathoners hit all the aid stations again (listed above) Due to the difficult nature of the course, this race does have cut offs: Marathon Cut-off Skyline Bottom (13 miles) 12:00 Noon 25k Cut-off, Doppler Ball (8 miles) 10:30 am. www.otrraces.com

Feb

27

2027

Huntington Beach, California (United States of America) - "Socal River Marathon". The SOCAL River Marathon has four distances. Full Marathon, Half Marathon, 10K and 5K. This is a fun course in Southern California. This course runs on the Santa Ana River Trail from Yorba Linda to Huntington Beach State Park. This route truly spans Southern California from the dryer desert land to areas near Disneyland to the Beach. The course is primarily flat and straight but has a gradual downhill slant following the river to the ocean. https://www.socalmarathon.com/?aflt_token=Nktw0AUB3nF4FPeh7Y7AWqQewFdw9sGt

Apr

10

2027

San Diego, California (United States of America) - "San Diego Beach & Bay Half Marathon". The San Diego Beach & Bay Half Marathon is an award-winning loop course along some of the best of San Diego's coastline. Experience beautiful beaches to picturesque bays, you'll run past SeaWorld, Belmont Park, Mission Beach, Pacific Beach, and Sail Bay the best of San Diego in one unforgettable course. With only 165 feet of total elevation gain, this is one of California's flattest and fastest half marathons perfect for chasing a PR or enjoying the ultimate destination race in San Diego. Register today and join us on April 11, 2026. https://runsignup.com/Race/CA/SanDiego/SanDiegoBeachBayHalfMarathon?aflt_token=Nktw0AUB3nF4FPeh7Y7AWqQewFdw9sGt

May

15

2027

San Diego, California (United States of America) - "La Jolla Half Marathon, 10K, & 5K". The La Jolla Half Marathon is one of America's most picturesque and beautiful point-to-point races. Starting at the Del Mar Fairgrounds, the course follows a scenic coastal route before reaching the challenging climb to the summit of Torrey Pines State Park. The course then rolls atop Torrey Pines mesa, continues down through residential La Jolla Shores, and finishes at La Jolla Cove. We also offer a 10K for anyone looking to skip the hill. Starting at the top of the mesa, our San Diego 10K follows a fast, coastal route that bypasses the Torrey Pines climb. For those interested in a shorter option, the La Jolla Shores 5K offers a mostly downhill course and features some of the most scenic views of the last 3.1 miles of the half marathon course. https://runsignup.com/Race/CA/SanDiego/LaJollaHalfMarathon5K?aflt_token=Nktw0AUB3nF4FPeh7Y7AWqQewFdw9sGt



 
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