From the Organizer
👻 Monster Miles 5K & 10K
🎃 Halloween Run at Mile Square Regional Park
📅 Sunday, October 16, 2027
Join us for Monster Miles 5K & 10K, a fun-filled Halloween-themed race at the beautiful Mile Square Regional Park in Fountain Valley, California!
Whether you're chasing a personal record, enjoying a morning walk, or showing off your favorite costume, Monster Miles is the perfect event for runners and walkers of all ages. Experience scenic views, tree-lined paths, festive Halloween decorations, and an energetic community atmosphere.
👻 Costumes are highly encouraged! Bring your family and friends for a morning of fitness, fun, and Halloween spirit.
Everyone is welcome!
📍 Event Location
Mile Square Regional Park
16801 Euclid St.
Fountain Valley, CA 92708
🎁 Packet Includes
Race Entry
Custom Halloween Finisher Medal
🗓️ Event Schedule
7:30 AM – Registration Opens
8:00 AM – 10K Starts
8:15 AM – 5K Starts
8:45 AM – Awards Ceremony
🥇 1st • 🥈 2nd • 🥉 3rd Place Overall Female & Male (Each Distance)
10:00 AM – Event Closes
🗺️ Course Information
5K
Complete the course one (1) time
10K
Same 5K route
Complete the course two (2) times
Please follow all course signage and volunteer directions for a safe and enjoyable race.
⏱️ Timing • Results • Photos
Gun-timed event
Race bibs are not chip-timed
Results posted online by 8:00 PM on race day
Same Day Results
🏆 Awards
Awards will be presented to the Top 3 Overall Female and Male Finishers in both the 5K and 10K.
🎃 Run if You Dare!
Whether you're running for a new personal best, walking with loved ones, or racing in costume, Monster Miles is the perfect way to celebrate Halloween with fitness, fun, and community.
👟 Run. 🎃 Dress Up. 🏅 Earn Your Medal. 👻 Make Memories.
We can't wait to see you on Sunday, October 17, 2027, at Mile Square Regional Park!
Events
Weather
It's too far out for a forecast, so here's what weather on this date is normally like in the area. A race day forecast will replace this as race week approaches.
Typical High
79°
Typical Low
60°
Chance of Rain
6%
Based on US Climate Normals data from Santa Ana Fire Stn, 4 mi from the venue.
Host City
Population
56,358
as of 2023
City Elevation
35 ft
Nearest Airport
SNA
John Wayne Orange County International Airport · 5 mi
Time Zone
Pacific Time
From Endurance Grid
A mid-size host city. Enough lodging and amenities to keep race weekend easy, without big-city sprawl.
Race Location
Your Next Start Line
Every finish line starts with a single decision. Claim your spot at Monster Miles, put it on the calendar, and turn “someday” into a start date.
Coming Up
A Snail's Pace x ASICS Sunset Mile
4 miles away
Hyundai Hope On Wheels 5K and Color Fun Run
1 mile away
A Snail's Pace x Saucony Sunset Relays
4 miles away
Beer City Half™ OC
2 miles away
From Endurance Grid
Endurance Grid is here to help you understand the sport, decide if it’s the right fit, and learn how to prepare. For course distances, logistics, and race-day specifics, always defer to the race organizer’s event page.
With running, there's a distance for every fitness level, a community at every start line, and nothing beats the feeling of crossing a finish line you trained for.
Running is an endurance sport that rewards consistency, and showing up every week compounds in ways that will surprise you.
From 5K to marathon, running races are an accessible entry point into endurance sport. There's a distance for every fitness level and a community at every start line.
Frequently Asked Questions (FAQs)
Monster Miles
Oct 16, 2027