Catalina Island Half-Marathon

Avalon, United States • 8 Nov 2025

The Catalina Island Half-Marathon & 10K is a scenic trail running event held in Avalon, California. The half-marathon covers 13.1 miles, featuring challenging climbs through Catalina Island’s rugged interior, starting past the historic Wrigley Mansion. Runners are rewarded with breathtaking Pacific Ocean views from the summit, with possible sights of other Channel Islands on clear days.

The course descends through the picturesque Wrigley Memorial before returning to Avalon. The 10K offers a shorter but equally beautiful route through Avalon’s hillsides. This event combines physical challenge with stunning natural beauty, making it a memorable adventure for trail runners. Visit the organization's website for the most recent information.

Race information

13 mi
Half Marathon
10 km
10k
Kids Run
Visit the organization's website for the most recent information.
Trail runs nearby

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 cou..