Catalina Island Half-Marathon

Event details

The Catalina Island Half-Marathon & 10K takes place on November 8, 2025 in Avalon, Catalina Island, CA 90704 (United States). The event includes these race distances:

• 13.1 miles - Catalina Island Half Marathon
• 6.2 miles - Catalina Island 10K
• 1 km - Kids Fun Run

The half-marathon is open to ages 14 and older. Race fees listed on the event page include a price increase after November 3, 2025. The Kids Fun Run registration ends November 8, 2025. A multi-race option called the Catalina Island TRIPLE CROWN Challenge is offered; registration for that event ends November 7, 2025 and the listing shows a limited number of spots remaining.

Course and other information

The half-marathon is a trail course that starts in Avalon and runs past the Wrigley Mansion before entering the island Interior for several miles of climbs. The route reaches a summit with views of the Pacific Ocean and, on a clear day, views of two other Channel Islands. The course descends through the Wrigley Memorial and returns to Avalon. The 10K follows hillsides around Avalon. The organizer lists social channels and a Strava club for route information and updates. Sponsors for the event are displayed on the event page. Visit the organization's website for the most recent information.