Halloween Havoc – 5K, 10K, Half Marathon
- Date Sun 26th October 2025
- Time 7:00AM PDT
- Location Fountain Valley, California
- Price $26.97 - $41.81
- Races 3 races
- Distances 5km, 10km, Half Marathon
Event summary
Get ready for a spine-tingling adventure at the Halloween Havoc, taking place on Sunday, October 26, 2025, in the picturesque Fountain Valley, Orange County! This thrilling event challenges your spirit and endurance with race distances of 5K, 10K, and a Half Marathon. The fun kicks off at Mile Square Park, where participants can enjoy a festive atmosphere filled with Halloween candy, spooky music, and delightful surprises at the finish line.
Join fellow runners and walkers as you navigate the scenic looped courses, designed for all skill levels. With bib pick-up starting at 7:00 AM and the Half Marathon launching at 7:30 AM, there’s plenty of time to get in the groove. Don your most creative costume and be part of a community that embraces the joy of running together! With awards for top finishers and fantastic post-race festivities, the Halloween Havoc promises an unforgettable day of fun and fitness. Don’t miss out on this chance to celebrate the Halloween season in style!
Join fellow runners and walkers as you navigate the scenic looped courses, designed for all skill levels. With bib pick-up starting at 7:00 AM and the Half Marathon launching at 7:30 AM, there’s plenty of time to get in the groove. Don your most creative costume and be part of a community that embraces the joy of running together! With awards for top finishers and fantastic post-race festivities, the Halloween Havoc promises an unforgettable day of fun and fitness. Don’t miss out on this chance to celebrate the Halloween season in style!
Organiser's Description
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 [https://shop.sportsbasement.com/blogs/stores/orange-county?srsltid=AfmBOoo5yJuoXNRqS8rBmnPvBTA1kgE0yllzERyPiWz1IfoU2fd82oop] (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 [email protected]. 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 [https://www.mapmyrun.com/routes/view/6348094807]
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 [https://www.mapmyrun.com/routes/view/6348104806]
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 [https://runsignup.com/w/HighTideRuns]
HAVE ANOTHER QUESTION? Check our FAQ page [https://hightideruns.com/fountain-valley-ca-events], it's probably answered there!
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 [https://shop.sportsbasement.com/blogs/stores/orange-county?srsltid=AfmBOoo5yJuoXNRqS8rBmnPvBTA1kgE0yllzERyPiWz1IfoU2fd82oop] (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 [email protected]. 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 [https://www.mapmyrun.com/routes/view/6348094807]
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 [https://www.mapmyrun.com/routes/view/6348104806]
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 [https://runsignup.com/w/HighTideRuns]
HAVE ANOTHER QUESTION? Check our FAQ page [https://hightideruns.com/fountain-valley-ca-events], it's probably answered there!
Races
-
5k
Incl. $2.47 Fee
Sun 26th October 2025 (7:30AM PDT)
$26.97
CLOSED -
10k
Incl. $2.71 Fee
Sun 26th October 2025 (7:30AM PDT)
$31.21
CLOSED -
Half Marathon
Incl. $3.31 Fee
Sun 26th October 2025 (7:00AM PDT)
$41.81
CLOSED
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16801 Euclid St., Fountain Valley, 92708, CA, United States
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Halloween Havoc – 5K, 10K, Half Marathon
