Halloween Havoc – 5K, 10K, and 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 thrilling adventure at the Halloween Havoc on Sunday, October 26, 2025! Set in the vibrant city of Fountain Valley, Orange County, this exciting event invites runners of all levels to participate in a 5K, 10K, or Half Marathon. Starting at Mile Square Park, the race kicks off with the Half Marathon at 7:30 AM, followed by the 5K and 10K at 7:45 AM. As you navigate the scenic looped courses, you'll enjoy the spirited ambiance filled with Halloween music, candy, and surprises at the finish line.
Whether you're donning your favorite spooky costume or simply looking to challenge yourself, the Halloween Havoc promises a fun and memorable experience. With on-course support including water stations and restrooms, you'll have everything you need to conquer your race. Plus, all participants will receive a chance at awards for the top finishers in each category. Join us for this festive celebration of running, and don’t miss out on the chance to experience the thrill of the Halloween Havoc!
Whether you're donning your favorite spooky costume or simply looking to challenge yourself, the Halloween Havoc promises a fun and memorable experience. With on-course support including water stations and restrooms, you'll have everything you need to conquer your race. Plus, all participants will receive a chance at awards for the top finishers in each category. Join us for this festive celebration of running, and don’t miss out on the chance to experience the thrill of the Halloween Havoc!
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
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
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!
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