
Long Beach, United States of America · Saturday 31 October 2026
🎃 The Long Beach Halloween Run 5K • 10K • Half Marathon • Kids Dash 📍 Start/Finish: Alamitos Beach, 780 E Shoreline Dr., Long Beach, CA 📸 Iconic Backdrop: The legendary Queen Mary Get ready for a hauntingly good run along the Long Beach shoreline. The Long Beach Halloween Run brings spooky-season energy to one of the most iconic coastal courses in Southern California. As you race along the waterfront, the Queen Mary looms in the background — rich with history, mystery, and more than a few ghost stories of her own. 👻⚓️ Costumes are encouraged, vibes are high, and the miles are unforgettable. Whether you’re chasing a PR, running for fun, or just here to show off your costume, this is Halloween done the CaliFlow way. 🏁 Race Day Schedule 6:00 AM – Runner Check-In & Bib Pickup Opens 7:30 AM – Half Marathon Start 8:30 AM – 5K & 10K Start (All Ages Welcome) 9:15 AM – NEW! Kids Dash (200-yard dash for kids 10 & under) 🎃🧒 🕸️ Why You’ll Love This Race ✅ Iconic Course: Flat, fast waterfront miles at Alamitos Beach ✅ Professional Chip Timing: Accurate results for every runner ✅ Incredible Photo Ops: Queen Mary, harbor views & skyline ✅ Finish Line Festival: Music, energy, and CaliFlow vibes ✅ Free Race-Day Photos: Memories included ✅ Kids Dash Medals: Every little ghoul earns one ✅ Beginner-, walker-, stroller-, and dog-friendly 🐾 🧡 Run the Coast. Feel the Spirit. CaliFlow Runs brings together community, creativity, and unforgettable race-day experiences. Whether you’re dressed spooky, silly, or somewhere in between, the Long Beach Halloween Run is a celebration of movement, fun, and a little October magic by the sea. Come for the run. Stay for the vibes. Leave with candy, medals, and memories. 🎃
Adjusted Time
1:40:47
Time difference: -4.2 minutes compared to a flat, road, temperate course.
The Long Beach Halloween Run 5K. 10K. Half Marathon by Califlow Runs is a half marathon held in Long Beach, United States of America, scheduled for Saturday 31 October 2026. The course is run on road surface with 0m of total elevation gain, reaching a maximum altitude of 0m above sea level. For registration and full race details, visit the official The Long Beach Halloween Run 5K. 10K. Half Marathon by Califlow Runs website.
This is a very flat course with only 0m of total elevation gain across the full distance. The course ranges from 0m to 0m above sea level — a 0m elevation range that makes it one of the flatter races available. Runners targeting a personal best will appreciate the minimal climbing.
The Long Beach Halloween Run 5K. 10K. Half Marathon by Califlow Runs is run on road surfaces, which provide the fastest and most predictable conditions for marathon running. Road courses allow for consistent pacing and are typically the best choice for runners targeting a personal best time.
Our difficulty rating for The Long Beach Halloween Run 5K. 10K. Half Marathon by Califlow Runs is calculated using a model that combines elevation gain, temperature impact, and surface type. Use the difficulty calculator above to enter your target finish time and see exactly how many minutes this course would add or subtract compared to a perfectly flat, cool, road-based half marathon. Faster runners and slower runners are affected differently by the same course conditions, so the difficulty is personalised to your pace.
Looking for an easier marathon or a tougher challenge? You can also compare The Long Beach Halloween Run 5K. 10K. Half Marathon by Califlow Runs against other half marathons to find the right race for your goals.
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