Catalina Island Marathon
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Event overview
The 48th annual Catalina Island Marathon, 10K, and 5K takes place on March 14, 2026 in Avalon on Catalina Island, California. The marathon is designated as California’s State Off-Road Marathon Championship and is described as the oldest trail marathon in the state. The courses run through the Catalina Island Conservancy and include ocean views and rolling green hills. The 2026 marathon date was moved from March 7 to March 14 as a one-year change.
Distances and entry details
- 26.2 miles - Catalina Island Marathon
- 6.2 miles - Catalina Island 10K
- 3.1 miles - Catalina Island 5K
- Kids Run - short youth event, open to ages 3 - 13
Entry prices listed on the event page are $188.75 for the marathon, $66.60 for the 10K, $53 for the 5K, and $27.50 for the Kids Run. The marathon is open to ages 16 - 100. A combined "TRIPLE CROWN Challenge" package is offered and includes the 2026 marathon, the 2026 half marathon, and the 2027 Avalon 50M/50K. Registrants were provided options to roll entries to the new date or defer to 2027 through the race registration system. Sponsors named for the event include Hi-Tec, Catalina Island Health, and Catalina Express, among others. Visit the organization's website for the most recent information.