Monster Mash
About this race
Karbach Brewing Monster Mash Run... the name says it all! This is without a doubt the BEST Halloween-themed run and after-party in town! Join our Monster Mashers and hit the streets of Houston running in full costume!
Don't forget, this makes race number 7 out of 9 in the Houston Holiday Series!
Join fellow runners on October 31, 2026 for the Monster Mash. It's a fantastic 5K, 10K, 1K featuring a flat and fast course in Houston.
Pick your distance
Running
5K Run
10K Run
Kids + Family Fun Run
Virtual 5K
Virtual 10K
Weather Overview
These values represent the 9-year monthly averages for October in Houston.
About Houston
Monster Mash takes place in Houston, Texas, United States. The local timezone is America/Chicago.
Reviews
Done this event?
If you've participated in this event, share your experience with other runners
🏃 Plan Your Next Race in Houston
Find upcoming events by distance:
- Houston 5K Races Best Houston routes for beginners and speed work.
- 10K Run Events in Houston The most popular local distance in Texas.
- Houston Half Marathons Top-rated 21.1K courses in the Houston area.
- Marathons in Houston Scenic 42.2K routes and Houston Boston qualifiers.
- Houston Running Calendar 2026 See all upcoming race dates.
Race information has been sourced from the event's official website and other publicly available resources. For the most up-to-date details, please refer to the official website directly. If you notice any incorrect or missing information, don't hesitate to reach out to us by email.
