View some of the best Half Marathon races in Simi Valley, 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.
Southern California features a diverse range of nature and terrain, giving runners a wide variety of spectacular trails and running experiences. Located north of Los Angeles up against the California State park boundaries is Valencia, a suburban c...
Traditional In person event(s) cancelled for 2021 Join us for our In Person Touchless event, or Virtual event! Uniquely situated and completely surrounded by beautiful mountains, the city of Ojai holds the start of the Mountains 2 Beach Marathon...
Celebrate Father's Day by kicking off the weekend with an awesome race taking you on a scenic tour through the beautiful Santa Clarita Valley. A community race created to bring runners together and give you a great race experience and earn an awes...
Sold-Out Event for the last 3 consecutive years, Run Malibu presented by Rusnak BMW is excited to welcome runners and walkers from around the country to experience the iconic Malibu coastline. In addition to our in-person event, we are offering a...
Santa to the Sea is a nonprofit event born out of a desire to give back to the community. What started in 2003 as a toy drive to celebrate the relocation of the world’s largest Santa Claus from Carpentaria to Oxnard, has grown into a robust runnin...
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