Monster Miles
About this race
👻 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!
Pick your distance
Running
Monster Miles 5K
Monster Miles 10K
Virtual Event Monster Miles 5K
Virtual Event Monster Miles 10K
Race-day daylight
We have no recorded weather for Fountain Valley yet, but sunrise and sunset follow from the venue and the date.
The sun rises at 6:57 AM and sets at 6:17 PM local time (PDT) in Fountain Valley on October 16, 2027 — 11h 19m of daylight.
Course
No course map published yet.
The organizer hasn't released a route for this event, and we don't publish guesses. If you're the organizer, send us a GPX file and we'll draw the profile.
Reviews
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Other races near Fountain Valley
Different organizers, within 40 miles, in the next three months
The Stuffing Shuffle – 5K, 10K, Half Marathon
Winter Whirl – 5K, 10K, Half Marathon
Beer City Half™ OC
A Snail's Pace x Saucony Sunset Relays
🏃 Plan Your Next Race in Fountain Valley
Find upcoming events by distance:
- Fountain Valley 5K Races 5 races
- 10K Run Events in Fountain Valley 4 races
- Fountain Valley Half Marathons 2 races
- Fountain Valley Running Calendar 2026 5 races
Where this page comes from. Race details were last updated on . We re-check listings regularly and again in the week before race day.
- Entries, prices, waves and inclusions — the event's official registration page
- Temperature and humidity — Copernicus ERA5 reanalysis via Open-Meteo (CC BY 4.0)
- Elevation and terrain relief — Copernicus DEM GLO-90, ESA (CC BY 4.0)
- Comparisons and counts — Race Discovery calendar, 5 Fountain Valley events
Spotted something wrong? Tell us and we'll fix it.