Monster Mash 5K & 10K

This isn’t a trick - it’s the best Halloween themed run in Houston! Treat yourself and the whole family to this themed fun run at Karbach Brewery in Northwest Houston.

When: Saturday, October 26

Start/Finish: Karbach Brewery, 2032 Karbach Street, Houston, TX 77092 (map)

Race Day Schedule:

  • 7:30am - 5K/10K start

  • 9:15am - Kids K

  • 9:30am - Awards Ceremony

Monster Mash Run includes:

  • All 5K and 10K participants receive a shirt and coozie and two beer tickets (21 and up).

  • Kids K participants receive a shirt and trick-or-treat bucket.

  • Dress up in your best Halloween contest!

  • Kids K race is super fun with trick or treat station at the halfway point

  • Complimentary beer provided by Karbach Brewing Company

  • Join in the fun post-race with food, drink, music and more for the whole family!


Registration Fees:

$42.50 early registration (before 7/1)
$45 regular registration (before 10/1)
$50 late registration (on or after 10/1)

$35 early registration (before 7/1)
$40 regular registration (before 10/1)
$45 late registration (on or after 10/1)

Kids K
$20 per child

Group Registration
Like to run with friends? Send us an email at and we can customize a group registration code to simplify your packet pick up!

Registration closes at 6pm on Friday, October 26. Race day registration is not available.

Packet Pick Up

Pick Up #1 - Saturday, October 19 from 10-4pm at Sun & Ski Sports - Westheimer, 6100 Westheimer Rd. #126, Houston, TX 77057

Pick Up #2 - Thursday, October 24 from 4-8pm at Karbach Brewing Co., 2032 Karbach St., Houston, TX 77092

IMPORTANT: Race Day Packet Pickup will only be available race morning starting at 6:30am for those who pre-registered for $15. Please be advised that race morning packet pickup can be hectic and the lines can be long. If you did not select this option during registration you can still do so at the link below. You will be charged another processing fee.


  • Parking is available on suface lots surrounding Karbach Brewing Co.

Results & Awards

  • All finishers will receive a medal

  • Top 3 overall Male and Female awards will be awarded after the race

  • Top 3 Costume Contest winners will be awarded

  • 10K Age Group Awards will be awarded in 5 year increments beginning at 14 and up, 15-19, 20-24 and up through 75+



  • All courses are flat and fast.

  • Races are chip timed.

  • Course cut off times are 1 hour for the 5K and 2 hours for the 10K (approx 19 min per mile pace)

  • Water stations are located approx every 2 miles and at the finish.


Sun and Ski 900.jpg
The Houston Photobooth.jpg

Volunteer with us!

We are looking for fun, energetic people to lend a helping hand on race day! Volunteer jobs will include water stations, post-race activities, finisher merchandise, food/beverage and more. You can expect each shift to last about 4 hours. To sign up for a volunteer shift, click the button below.