Catalina Island Marathon, 10K, 5K

Embark on an unforgettable adventure at the Catalina Island Marathon, 10K, and 5K, a bucket-list race celebrating its 48th annual running on March 14, 2026, in Avalon, CA. Recognized as the oldest off-road marathon in the United States and California's State Off-Road Marathon Championship, this event promises both a formidable challenge and breathtaking scenery. The marathon course, spanning 26.2 miles, is predominantly on dirt roads, presenting tremendous uphill and downhill sections with an elevation gain of approximately 4,300 to 4,310 feet. Runners traverse the rugged interior of the Catalina Island Conservancy, encountering rolling hills, arid landscapes, and sweeping ocean views, with a chance to spot wild bison. The final miles of the marathon descend on a paved road into the charming town of Avalon, where a festive finish line awaits. For those seeking shorter distances, the 10K and 5K races offer scenic routes exclusively on the streets and coastal paths of Avalon.

Runners consistently praise the Catalina Island Marathon for its unique atmosphere and stunning visuals, often calling it one of the "most beautiful races in America". Aid stations are well-stocked with water, Gnarly Nutrition products, bananas, oranges, M&Ms, and pretzels, and include first aid kits. However, participants must bring their own hydration systems as the race is cupless, and gels are not provided on the course. Typical race day conditions in mid-March bring highs around 70F and lows around 51F, with only a 5% chance of precipitation, providing pleasant running weather.

What truly sets this race apart is the vibrant camaraderie among participants and the unparalleled experience of running through a protected conservancy. Many describe it as a "cult race" that inspires yearly returns, not for speed, but for the sheer joy and unforgettable island journey. Marathoners begin in Two Harbors, arriving via an early morning ferry from Avalon, and are rewarded at the finish line with a distinctive handmade island tile art medal and a finisher's shirt. This event is a perfect blend of challenging terrain, breathtaking vistas, and a welcoming atmosphere that makes it a truly rewarding experience for trail and road runners alike.