Catalina Island Marathon
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Catalina Island Marathon, 10K, 5K
The 48th annual Catalina Island Marathon, 10K, 5K takes place on March 14, 2026 in Avalon, CA 90704 on Catalina Island off the coast of Los Angeles. The full marathon is designated as California's State Off-Road Marathon Championship and the event is noted as the oldest trail marathon in the state.
Races run on trails and historic routes within the Catalina Island Conservancy, with sections that pass ocean viewpoints and rolling green hills. The event program lists multiple supporting resources including course maps, aid station information, packet pickup details, awards and rules, official photos, results, travel and where to stay guidance, sustainability information, and FAQs.
Distances offered:
- 26.2 miles marathon
- 6.2 miles 10K
- 3.1 miles 5K
Additional offerings include a Kids Run and the Catalina Island TRIPLE CROWN Challenge. The marathon entry is open to ages 16 to 100 and the Kids Run is open to ages 3 to 13. The event is organized under the name Catalina Island Marathon, 10K, 5K. Visit the organization's website for the most recent information.
