Catalina Island Marathon, 10K, 5K
Typically 53–62°F · low rain risk
See last 10 years
On this date: rain 2 of the last 10 years
2026
62–82°F
dry
2025
49–56°F
rain
2024
54–62°F
dry
2023
54–58°F
dry
2022
54–62°F
dry
2021
51–56°F
dry
2020
55–59°F
rain
2019
50–59°F
dry
2018
55–63°F
dry
2017
56–69°F
dry
Best months to race in California →
About this race
California's State Off-Road Marathon Championship is also the oldest trail marathon in the state and takes place on beautiful Catalina Island located off the coast of Los Angeles and surrounded by blue ocean, green hills and more beauty than you have ever run through. Experience the Catalina Island Conservancy the way it was intended to be experienced, on foot, running, and noticing the history and beauty of the island. This is a bucket list event that you will want to run year, after year, after year.
Course map
Train with a club
Run clubs near Avalon to train with before race day.
Suggested Races
Organize this race?
Claim it free to manage your listing — and get it featured for free, while spots last.