Catalina Island Half-Marathon & 10K
About this race
Experience the ultimate California trail half-marathon, an adventure that will test your limits while rewarding you with awe-inspiring beauty. Starting in the charming town of Avalon, the race kicks off with a scenic run past the historic Wrigley Mansion. From there, you’ll journey into Catalina Island’s rugged Interior, tackling challenging climbs that lead to breathtaking peaks.
At the summit, take in sweeping views of the Pacific Ocean, where, on a clear day, you might catch a glimpse of two other Channel Islands. The journey continues with a thrilling descent through the serene Wrigley Memorial, winding your way back into the heart of Avalon.
For runners looking for a shorter, yet equally stunning course, the 10K route offers a picturesque tour through Avalon’s scenic hillsides, capturing the island’s unique charm and natural beauty. Whether you’re taking on the half-marathon or the 10K, this race is a perfect blend of challenge, adventure, and unforgettable views.
Pick your distance
Trail running
Catalina Island Half Marathon
Starting in the middle of Avalon, you will run up to and past the Wrigley Mansion before you enter the Interior and begin a challenging uphill section of the course. Once you summit the trail, you will be rewarded with some of the most stunning views you will ever see during any race.
Running
Catalina Island 10K
Running through the streets of Avalon, you will enter the Hour Trail running the hillside trail above Avalon with magnificent views of Avalon Bay around every corner.
Kids Fun Run
All kids are welcome to run our 1K, parents may escort their runner and the finish will be back downtown where the fun will be.
Typical race-day weather
Based on 14 years of Open-Meteo archive data for this event's race dates in Avalon, plus the 3 days either side.
The sun rises at 6:23 AM and sets at 4:51 PM local time (PST) in Avalon on November 14, 2026 — 10h 27m of daylight.
Course
No course map published yet.
The organizer hasn't released a route for this event, and we don't publish guesses. If you're the organizer, send us a GPX file and we'll draw the profile.
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Results — Catalina Island Half-Marathon & 10K
Other races near Avalon
Different organizers, within 40 miles, in the next three months
Avalon Benefit 50 Mile/50K Run
Infinite Challenge Run
Hop Skip and Splash 5K Fun Run/Walk
Witches Wave - Halloween Run 5K, 10K, and Half Marathon by Califlow Runs
🏃 Plan Your Next Race in Avalon
Find upcoming events by distance:
- 10K Run Events in Avalon 2 races
- Avalon Running Calendar 2026 3 races
Where this page comes from. Race details were last updated on . We re-check listings regularly and again in the week before race day.
- Entries, prices, waves and inclusions — the event's official registration page
- Temperature and humidity — Copernicus ERA5 reanalysis via Open-Meteo (CC BY 4.0)
- Elevation and terrain relief — Copernicus DEM GLO-90, ESA (CC BY 4.0)
- Comparisons and counts — Race Discovery calendar, 4 Avalon events
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