
Long Beach, United States of America · Sunday 28 June 2026
The Alien Run is landing just in time for an epic celebration of the unknown! Get ready to run, walk, or teleport your way through a course filled with cosmic energy, mysterious encounters, and out-of-this-world fun. Whether you re racing across galaxies or just cruising under the stars, this adventure is your chance to celebrate the wonders of the universe — and maybe spot a few visitors from beyond! Suit up, power up, and let s make some extraterrestrial memories! Race Details Start Location: Alamitos Beach, 780 E Shoreline Dr. Long Beach, CA Parking: Parking in the lot is $2/hour and starts at 8am, if you are running the Half/10m you can use the Passport app to pay for parking. Street parking is free. Event Schedule 6:20am – Bib pick-up opens 7:00am – Half marathon & 10m start 7:30am – 5k & 10k start 7:35am – Registration & start line close 10:20am – Course closes (3 hours, 20 minutes for the Half and 10m) Early start of 6:30am may be pre-arranged for half marathoners and 10-milers only, email your request to events hightideruns.com. All early starters will not be eligible for awards. Out and Back Course 5k & 10k: The 5k route is used for the 5k (one lap) and 10k (two laps) – 5k route 10m: The 5m route is used for the 10m (two laps) – 5m route Half: The 5m route is run twice and the 5k route is run once for the Half – 5m route and 5k route More about the Course The beach path is an open course, so you will encounter others using it. When we start the race, please stay on the right side of the beach path. The right side is for pedestrians and the left side is for cyclists. On-Course Support: A fully stocked water station is located along the course. The finish line will also have an aid station stocked with water, electrolytes, gels, and fruit snacks. We have a first aid kit at each station and all High Tides Crew Members have received CPR training. The turns are clearly marked with chalk, a runner turn sign, and a flag Final Details Bib: Please wear your race bib
Adjusted Time
1:40:47
Time difference: -4.2 minutes compared to a flat, road, temperate course.
Alien Run – 5K, 10K, 10M, and Half Marathon is a half marathon held in Long Beach, United States of America, scheduled for Sunday 28 June 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 Alien Run – 5K, 10K, 10M, and Half Marathon 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.
Alien Run – 5K, 10K, 10M, and Half Marathon 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 Alien Run – 5K, 10K, 10M, and Half Marathon 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 Alien Run – 5K, 10K, 10M, and Half Marathon against other half marathons to find the right race for your goals.
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