California · Marathon · 10K · 5K
Catalina Island Marathon, 10K, 5K
Catalina Island Marathon, 10K, 5K is a marathon, 10K, 5K and 1K event held in Avalon, California. Its next confirmed date is Saturday, March 13, 2027. About 4,670 runners take part across all distances.
- Race day
- March 13, 2027
- Location
- Avalon, CA
- Field size
- ~4,670 runners
Race details
- Date
- Saturday, March 13, 2027
- Location
- Avalon, California
- Distances
- Marathon, 10K, 5K, 1K
- Field size
- About 4,670 runners
- Course
- Very hilly point-to-point course, ~4,310 ft cumulative gain; sea level (Two Harbors) to ~1,602 ft high point, descending into Avalon
- Registration
- runsignup.com
- Official website
- runcatalina.com
Registration, course & weather
- Registration status
- Open
- Entry fee
- Listed fee for the longest distance, $188.75 (from runsignup.com, checked September 25, 2026)
- Start time
- 7:00 AM PST
- Course profile
- Point-to-point course; Mostly trail, some road; 4310 ft gain (official course data); Not USATF certified; Not a Boston qualifier
- Typical race-day weather
- about 58°F at the start, 88% humidity, 3 mph wind (based on the 2026 race day, measured near the city center rather than the exact start line; Open-Meteo, checked September 25, 2026)
About the Catalina Island Marathon, 10K, 5K
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, aft…
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Guides from the RaceRove blog
- 8 min read How to Choose Your First Marathon A practical checklist for choosing a first marathon based on course, weather, cutoff, travel, field size and support.
- 7 min read How to Find a 5K, 10K, Half Marathon or Marathon Near You A practical way to find running races near you: pick a distance, decide how far you'll travel, read the listing properly and confirm the details before you register.
- 9 min read How to Run a Race in All 50 States How to plan a 50-state running challenge: set your own rules, group states into trips, build a calendar around the seasons, budget for it and keep track of every finish.
- Blog All guides Planning advice for finding, choosing and travelling to races.
Catalina Island Marathon, 10K, 5K: common questions
- When is the Catalina Island Marathon, 10K, 5K?
- The next confirmed date is Saturday, March 13, 2027.
- Where is the Catalina Island Marathon, 10K, 5K held?
- In Avalon, California.
- What distances does the Catalina Island Marathon, 10K, 5K offer?
- Marathon, 10K, 5K and 1K.
- How many people run the Catalina Island Marathon, 10K, 5K?
- About 4,670 runners across all of its distances. That figure is an estimate of the field size, not an entry cap.
- How do I register for the Catalina Island Marathon, 10K, 5K?
- Registration is handled by the organiser at runsignup.com. Entry fees, caps and deadlines are set there.
- Is registration open for the Catalina Island Marathon, 10K, 5K?
- Yes — registration is open. Listed fee for the longest distance, $188.75 (from runsignup.com, checked September 25, 2026).
- What time does the Catalina Island Marathon, 10K, 5K start?
- 7:00 AM PST.
- What is the course like at the Catalina Island Marathon, 10K, 5K?
- Point-to-point course; Mostly trail, some road; 4310 ft gain (official course data); Not USATF certified; Not a Boston qualifier.
- What is race-day weather usually like at the Catalina Island Marathon, 10K, 5K?
- about 58°F at the start, 88% humidity, 3 mph wind (based on the 2026 race day, measured near the city center rather than the exact start line; Open-Meteo, checked September 25, 2026).
Plan this race in RaceRove
Save it to your plan, compare it with other races, check typical race-day weather and track your 50-state progress in the interactive app.