View some of the best Marathon races in Costa Mesa, California! RaceMob's race calendar allows you to find races that suits your needs. Use our advanced filters below or calendar on the right, and discover new races. We try to maintain up to date information, and rely heavily on our community of volunteers. If you find a race that we're missing, use the "Suggest Race" button on the right. Find RaceMob discounts that others have added or add deals that you've discovered.
Come experience one of the most scenic events in California, “Run Long Beach”. Starting in Downtown Long Beach, runners head towards the historic Queen Mary and then through Shoreline Village. After running next to the Pacific Ocean on the flat be...
The 45th Annual Mission Inn Run returns to downtown Riverside on October 22-23, 2022! The Mission Inn Run, a signature Riverside event and key fundraiser for the Mission Inn Foundation, has been a Southern California Tradition for over 40 years....
We can’t wait for you to join us on February 5, 2023, in beautiful Surf City, USA! This award-winning, Boston-Qualifying, course is considered one of the best courses in the country and is well known for being scenic and flat. Runners come from a...
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 s...
California's State Off-Road Marathon Championship is also the oldest trail marathon in the state and takes place on beautiful Catalina Island located off the coast of Los Angeles and surrounded by blue ocean, green hills and more beauty than you h...
The OC Marathon Running Festival includes four different runs during the first weekend in May annually. The weekend of running begins at the OC Fair and Event Center on Saturday morning with the award winning Kids Run the OC when nearly 9,000 kids...
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