Catalina Island Marathon

The Catalina Island Marathon, held annually in Avalon, California, is California’s oldest trail marathon and the State Off-Road Marathon Championship. The 48th edition in 2026 offers marathon (26.2 miles), 10K, 5K, and kids' runs, along with a Triple Crown Challenge combining multiple races. The course traverses the scenic Catalina Island Conservancy, featuring rugged trails, rolling green hills, and stunning ocean views.

This iconic event provides a unique trail running experience on historic paths surrounded by natural beauty, making it a bucket-list race for trail runners. The event promotes sustainability and community engagement, supported by local sponsors and offers official race photos and aid stations. Visit the organization's website for the most recent information.