Catalina Island Marathon

MAR
14
2026
This iconic trail running weekend on Catalina Island features California's official off-road marathon championship. Choose from a marathon, 10K, 5K, or a kids run, all set against a backdrop of ocean views and conservancy trails. The 2026 event marks its 48th year.
Sat 14 Mar 2026

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Event Overview

The Catalina Island Marathon, 10K, and 5K is a multi-distance running event. The 2026 edition will be the 48th annual running. It takes place on Catalina Island, off the coast of Los Angeles, starting and finishing in Avalon, 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 event includes a Kids Run and a "TRIPLE CROWN Challenge" combining the 2026 marathon, 2026 half marathon, and 2027 50M/50K.

Distances

The event features several race distances:

  • Catalina Island Marathon (26.2 miles)
  • Catalina Island 10K (6.2 miles)
  • Catalina Island 5K (3.1 miles)
  • Kids Run

Course & Location

The courses run through the Catalina Island Conservancy, featuring trails with ocean views and green hills. The marathon is an off-road, trail race. The event location is Catalina Island in Avalon, CA.

Additional Information

Registration fees increase after March 7, 2026. The marathon and the TRIPLE CROWN Challenge were listed as sold out at the time of the source information. The marathon is open to participants aged 16 to 100, and the Kids Run is for ages 3 to 13. Visit the organization's website for the most recent information.

Catalina Island Marathon
Catalina Island 5k
Catalina Island 10k
Catalina Island Triple Crown Challenge
Kids Run