Catalina Island Marathon

Catalina Island Marathon is a historic trail marathon held on Catalina Island in Avalon, California, United States. The official race site lists the event location as Avalon, CA, and describes the marathon as the 48th annual edition, known as California’s oldest trail marathon. The course is a point to point island experience that starts in Two Harbors and finishes in Avalon, running through the Catalina interior with ocean views, rugged climbs, and Catalina Island Conservancy lands.