
Halloween Havoc – 5K, 10K, Half Marathon
Race Date
Oct 26, 2025
Location
Fountain Valley, CA
The Experience
Get ready to run for your life at the Halloween Havoc! Our spooky season adventure tests your courage and endurance! Our celebratory finish line will have Halloween candy, spooky music, and other wicked surprises. So grab your scariest costume and come join us for the Halloween Havoc! Race Details Start Location: Mile Square Park, Parking lot D. Across the street from 11014 Lavender Ave, Fountain Valley, CA 92708. Parking: $5.00 per car at Mile Square Park (Opens at 7am). Limited free street parking is available Event Schedule Saturday 1-3pm – Early bib pick-up at Sports Basement Orange County (store discount sent via email the week of the event & in post-race email) 10800 Kalama River Ave. Fountain Valley, CA 92708
Sunday 7:00am – Bib pick-up opens at the start 7:30am – Half marathon start 7:45am – 5k & 10k start 11:00am – Course closes (3 hours, 30 minutes for the Half)
Early start of 7am may be pre-arranged for half marathoners, email your request to events@hightideruns.com. All early starters will not be eligible for awards. Loop Course 5k & 10k – this 5k route is used for the 5k (one loops), 10k (two loops) – route here Half Marathon – this route is used for the half marathon, it's similar to the 5k route but there is an additional out and back – route here
More About the Course This is a looped course, meaning you will begin and finish in the same location. Our courses are not closed, which means that there are often runners, walkers, and others enjoying the day along with you.
On-course support: Courses are well marked with two water stations and restrooms along the way. Final Details Bib: Please wear your race bib on the front of your shirt so we can track your time and send your pics! Gear Check: You may leave personal items with staff at the registration tent. Please bring your own bag. Awards: 1st place medals are given to the overall 1st male and female in each distance. Results & Photos: A link for race results and photos will be sent the day after the race and earlier on Instagram. Race photos are free! Join Us Again: Did you have a blast running with us at our low-pressure, high vibes race? We have themed races throughout the year in Long Beach, Santa Monica, and Fountain Valley. Register for multiple races at a time to earn a discount. Check our full schedule Have Another Question? Check our FAQ page, it's probably answered there!
Logistics
Race Day
Sunday, October 26, 2025
Start Time
7:00 AM
Start Location
16801 Euclid St., Fountain Valley, CA, 92708
Course Info
Course Type
Loop Course
Terrain
road
Difficulty
Ultra-Flat
Elevation Gain
0'
Net Drop/km
0 m (Flat)
Separation
0.0%
Also Offers
Course Map
Quality Score
3 years running
~57 finishers a year
shrinking
0% returning runners
2 timing sources
runners from 3 states
winner 1:32:54
typical high 74°F
Race Day Weather
5-year historical avgStart (Low)
56°
Afternoon (High)
74°
Warm — hydration strategy is key, start conservatively
0.0"
Precipitation
10 mph
Wind
74%
Humidity
Historical Finish Times
How 83 finishers actually crossed the line across 3 years.
Most recent
2025
Total finishers
83
Median time
1:58:15
Latest turnout
24
States
4
Turnout by year
2023–2025
Hover the histogram to inspect specific finish times.
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