Get ready to unleash your inner monster at the Karbach Brewing Monster Mash Run, happening on Saturday, October 31st, 2026, in the vibrant city of Houston, Harris. Organised by the Houston Running Co., this event promises to be the ultimate Halloween-themed run and after-party you don't want to miss! Participants are encouraged to don their spookiest costumes as they hit the streets of Houston, making it a truly festive experience for runners and spectators alike.

As the seventh race in the exciting Houston Holiday Series, the Monster Mash Run is not just about speed; it's about fun, community, and creativity! Join fellow Monster Mashers in celebrating the spirit of Halloween while enjoying a spirited atmosphere filled with lively entertainment. Whether you're aiming for a personal best or just want to enjoy the festivities, this event has something for everyone. Mark your calendars for this ghoulishly good time!