California · 5K · 1K
cmX 5K
cmX 5K is a 5K and 1K event held in Long Beach, California. Its next confirmed date is Saturday, February 20, 2027. About 660 runners take part across all distances.
- Race day
- February 20, 2027
- Location
- Long Beach, CA
- Field size
- ~660 runners
Race details
- Date
- Saturday, February 20, 2027
- Location
- Long Beach, California
- Distances
- 5K, 1K
- Field size
- About 660 runners
- Registration
- runsignup.com
Registration, course & weather
- Registration status
- Open
- Start time
- 8:30 AM PST
About the cmX 5K
Welcome to the cmX 5K hosted by the CMAA Southern California Chapter Foundation . Due to the popularity of our event, we have outgrown our previous location and have happily moved to an exciting new start line for 2027! Shoreline Aquatic Park 200 Aquarium Way, Long Beach, CA 90802 Join us on Saturday, February 20th on the water front, behind the aquarium, in Long Beach, California (or virtually). Join us for an exhilarating run through the marina and along the shore with views of the Queen Mary…
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cmX 5K: common questions
- When is the cmX 5K?
- The next confirmed date is Saturday, February 20, 2027.
- Where is the cmX 5K held?
- In Long Beach, California.
- What distances does the cmX 5K offer?
- 5K and 1K.
- How many people run the cmX 5K?
- About 660 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 cmX 5K?
- Registration is handled by the organiser at runsignup.com. Entry fees, caps and deadlines are set there.
- Is registration open for the cmX 5K?
- Yes — registration is open. Listed fee for the longest distance, $40 (from runsignup.com, checked October 30, 2026).
- What time does the cmX 5K start?
- 8:30 AM PST.
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.