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, starting in Avalon and passing the historic Wrigley Mansion before entering Catalina Island’s rugged interior. Runners face challenging climbs leading to breathtaking summit views of the Pacific Ocean and nearby Channel Islands.

The course then descends through the serene Wrigley Memorial back to Avalon. The 10K offers a shorter but equally picturesque route through Avalon’s hillsides. This event combines physical challenge with stunning natural beauty, making it a memorable adventure for trail runners.

Additional options include a kids' fun run and a triple crown challenge. 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 events. The co..