San Juan Sensation 60K and 30K (2023 cancelled)

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.

Join the San Clemente Santa Run on December 6, 2025 for a festive 5K or fun run along the beach, starting at the Pier Bowl. Celebrate with music, an auction and dinner while supporting Lily's Lighthouse and epilepsy research.

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..

Tackle coastal singletrack at Crystal Cove State Park with 15K, 6K or kids 1K routes featuring technical sections like the Rock Garden and the Wall. Celebrate with shirts and medals, free photos, a vegan friendly breakfast and a post race b..

Get into the holiday spirit at Run for a Claus in Irvine on Dec 20, 2025, with 1 mile and 5K options plus virtual entries. Enjoy festive music, cookies, a Santa hat, finisher medal and support local charities and kids.