letsrace

RunTX

Karbach Brewing Monster Mash Run

October 25, 2025 • Houston, TX

Course Distances

10K

5K

Youth

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 hit the streets of Houston running in full costume! Don't forget, this makes race number 6 of the Houston Holiday Series!

Register now at Race Roster

More from Houston Running Co

Complete the series or find your next challenge

Independence Day 8K

Run

Jun 27

Independence Day 8K

Houston, TX

Run

Jul 4

Houston Fourth Fest

Houston, TX

Popsicle Dash Houston

Run

Jul 11

Popsicle Dash Houston

Houston, TX

Popsicle Dash Austin

Run

Jul 25

Popsicle Dash Austin

Round Rock, TX

Popsicle Dash Dallas

Run

Jul 26

Popsicle Dash Dallas

Dallas, TX

Watermelon Dash Austin

Run

Aug 22

Watermelon Dash Austin

Round Rock, TX

Sugar Land Half Marathon, 10k, & Family Mile

Run

Oct 11

Sugar Land Half Marathon, 10k, & Family Mile

Sugar Land, TX

Great Houston Pie Run

Run

Nov 21

Great Houston Pie Run

Houston, TX

Great Houston Pie Run

Run

Nov 21

Great Houston Pie Run

Houston, TX

Houston Turkey Dash

Run

Nov 26

Houston Turkey Dash

Houston, TX

Houston Holiday Series Series

View more dates and locations for this series

Independence Day 8K

Run

Jun 27

Independence Day 8K

Houston, TX

Run

Jul 4

Houston Fourth Fest

Houston, TX

Great Houston Pie Run

Run

Nov 21

Great Houston Pie Run

Houston, TX

Great Houston Pie Run

Run

Nov 21

Great Houston Pie Run

Houston, TX

Houston Turkey Dash

Run

Nov 26

Houston Turkey Dash

Houston, TX

Houston's 12K of Christmas

Run

Dec 19

Houston's 12K of Christmas

Houston, TX

LoveStruck 5K/10K

Run

Feb 13

LoveStruck 5K/10K

Houston, TX

Lucky Charm

Run

Mar 13

Lucky Charm

Katy, TX

Recommended Halloween Races

Similar events in Texas

Run

Oct 11

Spooky Sprint- Fort Worth

Fort Worth, TX

Run

Oct 17

Spooky Sprint-Austin

Austin, TX

Rotary Monster Dash

Run

Oct 17

Rotary Monster Dash

Harker Heights, TX

Haunted 5K, 10K, & 13.1M Temple, TX (43)

Run

Oct 24

Haunted 5K, 10K, & 13.1M Temple, TX (43)

Temple, TX

Haunted 5K, 10K & 13.1M at Pflugerville, TX (43)

Run

Oct 24

Haunted 5K, 10K & 13.1M at Pflugerville, TX (43)

Pflugerville, TX

Run

Oct 24

Spooky Sprint- Houston

Sugar Land, TX

Run

Oct 24

SARR Rocky Horror Trail Run

San Antonio, TX

Run

Oct 24

St. Joseph Catholic School Jack-O-Lantern Jog

Yoakum, TX

Run

Oct 25

Spooky Sprint - San Antonio

San Antonio, TX

Monster Mash

Run

Oct 31

Monster Mash

Houston, TX

Around Houston

Don't miss these other races in the area

Memorial Day Run 5K/10K/13.1 HOUSTON

Run

May 23

Memorial Day Run 5K/10K/13.1 HOUSTON

Houston, TX

Run for Mental Health 5K/10K/13.1 HOUSTON

Run

May 23

Run for Mental Health 5K/10K/13.1 HOUSTON

Houston, TX

Memorial Day Run

Run

May 25

Memorial Day Run

Houston, TX

Tejas Beer 5k Run

Run

May 30

Tejas Beer 5k Run

Houston, TX

The Big Run with Fleet Feet River Oaks

Run

Jun 1

The Big Run with Fleet Feet River Oaks

Houston, TX

The Big Run with Fleet Feet Greenbriar Presented by Brooks

Run

Jun 3

The Big Run with Fleet Feet Greenbriar Presented by Brooks

Houston, TX

The Big Run with Fleet Feet Vintage Park

Run

Jun 3

The Big Run with Fleet Feet Vintage Park

Houston, TX

The Big Run with Fleet Feet Woodway Run Club

Run

Jun 3

The Big Run with Fleet Feet Woodway Run Club

Houston, TX

The Annual Freedom Walk / Run & Health Fair

Run

Jun 6

The Annual Freedom Walk / Run & Health Fair

Houston, TX

SuperHeroes Run 5K/10K/13.1 HOUSTON

Run

Jun 6

SuperHeroes Run 5K/10K/13.1 HOUSTON

Houston, TX