Trail Running Calendar California 2025-2026

Run the scenic Catalina Island trail through Avalon, past the historic Wrigley Mansion and up to summit vistas over the Pacific. Choose a challenging half marathon, a hilly 10K, a kids fun run, or tackle the Triple Crown challenge.

Run the Enviro Sports northern California trail series, from short trail jaunts to full marathons across Big Sur, Mount Tam, Napa and Angel Island. Experience coastal views, redwood forests and wine country trails for every pace.

Tackle the iconic Backbone Trail Ultra in the Santa Monica Mountains: a rugged 68 mile route with about 13,600 feet of climbing and a scenic finish on the Ray Miller Trail. Solo runners with 50 mile experience or teams of 2 to 4 can enter;..