Catalina Island Half-Marathon & 10K 2026

The race.

Run Catalina organizes a half-marathon and 10K race on November 14, 2026, in Avalon, California. The half-marathon covers 13.1 miles starting in Avalon and includes terrain through Catalina Island's interior with climbs, summit views, and a descent past Wrigley Memorial before returning to Avalon. The 10K course is 6.2 miles and tours scenic hillsides around Avalon. A 3.1-mile run and 1K race are also offered. Participants may compete in the Catalina Island TRIPLE CROWN Challenge.