Happy Valentines Day Half Marathon - Los Angeles

Run Griffith Park's iconic trails on Saturday November 1 2025 with distances from 10K to 50K, including marathon and half marathon. The out and back course climbs to the Hollywood sign, features multiple aid stations, and registration close..

Join the Santa Clarita Trail Race Saturday November 1 2025 in Placerita Canyon with 5K, 10K, half marathon and 28K entries. Run flowing singletrack and rugged roads with big climbs and panoramic views over the Santa Clarita Valley.

Enjoy rolling trails and views at the 4 Mile Hill Challenge in Debs Park, part of the Aztlan Wellness Series with a green earth celebration and a pet friendly Run4Paws division. Kids can tackle the 2K Hill Challenge for family fun.

Hit the autumn trails at Chino Hills State Park on November 15, 2025, with 30K and 50K options. Well marked courses, plentiful aid and sweeping views support the Discovery Center for a spirited day of trail running.

Celebrate the City of Fullerton's inaugural 5K Trail Run through scenic Brea Dam trails near the Fullerton Tennis Center and Golf Course. After the race, enjoy a Health & Wellness Fair, food trucks, a finisher shirt, medal and free photos.

The Fremont Canyon 28k Trail Run is an exciting running event taking place in Irvine Regional Park, Orange, California. Scheduled for December 6, 2025, this challenging 28k (17.5 miles) course features fire roads with an elevation gain and..