Catalina Island Marathon
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Event overview
The Catalina Island Marathon, 10K, 5K is scheduled for March 14, 2026 in Avalon, Catalina Island, CA. The 2026 race is the 48th annual running and is listed as California’s State Off-Road Marathon Championship and the oldest trail marathon in the state. The course runs through the Catalina Island Conservancy and features ocean views, rolling green hills, and natural trail terrain.
Race formats and entries
The event includes multiple race options and a multi-race challenge. A one-year date change moved the marathon from March 7 to March 14, 2026; registered participants were offered either to keep their entry for the new date or defer to 2027. Distances and selected details listed on the event page include:
- 26.2 miles - Marathon (open to ages 16 - 100)
- 6.2 miles - 10K
- 3.1 miles - 5K
- Kids Run (open to ages 3 - 13)
- Catalina Island TRIPLE CROWN Challenge including 2026 marathon, 2026 half marathon, and 2027 Avalon 50M/50K
The event page also lists sponsor partners and pages for courses, aid stations, packet pick up, awards and rules, travel, and lodging information. Visit the organization's website for the most recent information.
