Blue Moon 5K. 10K. Half Marathon by Califlow Runs
Decision scores
Six 0–100 scores telling you, at a glance, who this race is for.
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About the Race
🌕 Blue Moon Run (Morning Race) 5K • 10K • Half Marathon Sunday, May 31, 2026 | Long Beach, CA This run really is once in a blue moon — literally. Join us on the morning of the actual Blue Moon for a rare and memorable coastal run designed to celebrate movement, timing, and being present for moments that don’t come around often. Whether you’re chasing miles, memories, or just the magic of a truly unique day, this is one you’ll want to say you were part of. Expect ocean views, high vibe...
Course Profile
Course profile data unavailable for this race.
Course features
Accessibility & inclusion
Vibe & community
History & past results
Past finisher times and year-over-year participation will appear here once the organizer publishes them.
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Common questions
How hard is the Blue Moon 5K. 10K. Half Marathon by Califlow Runs 5K?
We don't have a verified elevation profile yet — check the organizer's course map for the climb breakdown.
What should I wear?
Dress for ~10°F warmer than the standing temperature once you start running. Throwaway long-sleeve at the start, gloves and a hat for sub-50°F mornings, singlet plus visor when it climbs above 60°F. The race-day forecast above is the source of truth closer to the date.
When does it sell out?
No published deadline. Most races raise the entry fee in tiers and can sell out without warning — sign up early if you're committed.
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