🌕 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 vibes, and that unmistakable CaliFlow energy — all under the glow of a moon that only shows up every few years. 💙🌕
🔵 Fun Blue Moon Facts A Blue Moon happens when there are two full moons in one month It occurs only every 2–3 years, which is why we say “once in a blue moon” The moon isn’t actually blue — but the moment is still rare and special This is one of those runs people remember and say: “I was there for that.”
🌊 Race Highlights 🌕 Professionally chip-timed for accurate results 📸 Free race-day photos & downloadable finish-line pics 🎖️ Finisher medals for all participants 🏆 Overall & Age Group Awards 🌊 Flat, fast, scenic beach course 🥤 Water stations & restrooms along the route 🎶 Finish-line music, snacks, and photo moments to celebrate your miles
🌺 Why CaliFlow Runs? At CaliFlow Runs, we believe running should be inclusive, affordable, and fun. We host 50+ events each year to create experiences where everyone — of every pace and background — feels welcome.
Our races are known for professional execution, free photos, great vibes, and a strong sense of community — without the big-race price tag. Whether you’re racing the clock or soaking in the moment, you belong here.
👟 Who Can Participate? Everyone! Runners • Walkers • Strollers • All paces welcome
Come as you are. Leave with rare miles and a great story. 💙
⏰ Bib Pick-Up & Start Times 📍 Location: 5100 E Ocean Blvd, Long Beach, CA 90803 (Granada Beach)
Bib Pick-Up: 🕕 6:15 AM – 7:30 AM at the Race Ready Athletics Tent
Start Times: • Half Marathon: 7:00 AM • 5K & 10K: 7:30 AM
🚗 Parking Info Street parking available (check posted signs for street sweeping). Paid beach lot parking is $2.00 per hour via Passport app or on-site machine. Arrive early for best access near the start line.
🏅 Awards & Medals 🏅 All finishers receive a custom Once in a Blue Moon medal 🏆 Overall & Age Group Awards in each distance
If it’s not CaliFlow, it’s just an average race. 💙
Races Offered
Half Marathon
May 31, 2026
straighten
Distance —
13.1 Miles
terrain
Type —
Running
timer
07:00
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$48.99
10K
May 31, 2026
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Distance —
6.2 Miles
terrain
Type —
Running
timer
07:30
sell
$42.99
5K
May 31, 2026
straighten
Distance —
3.1 Miles
terrain
Type —
Running
timer
07:30
sell
$38.99
Weather History
These values represent the 3-year monthly averages for May in Long Beach.
thermostatTemperature
13.6° / 20.5°
wb_sunnyFeels like
12.9° / 18.3°
light_mode
Avg sunshine hours
11h 4m
water_drop
Avg rainfall
0.2 mm
ac_unit
Avg snowfall
—
air
Avg wind speed
9.2 km/h (Light breeze)
opacity
Sweat loss rate
Moderate
terrain
Course conditions
Firm and slightly soft
sunny
Max UV Index
High (6.0)
humidity_mid
Humidity
75.4%
wb_twilight
Sunrise
05:51
nightlight
Sunset
19:47
About Long Beach
Learn more about the host city, Long Beach.
Long Beach is a large port city in Los Angeles County in Southern California. With a population of 462,257 as of 2010, it is the second-largest city in greater Los Angeles as well as the seventh-largest city in the state of California.
