Monster Mash - Lazybrook / Timbergrove
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Monster Mash
The Monster Mash is a Halloween-themed running event held in Houston on October 31, 2026. The event takes place at Karbach Brewing Co., 2032 Karbach Street, and includes an after-party at the venue. It is listed as race number seven of nine in the Houston Holiday Series.
The event offers multiple on-site and virtual race options and a separate Kids and Family run. Packet pick-up is available at Sun & Ski Sports, 6100 Westheimer Rd, Houston, and a race day packet pick-up option is offered for an additional fee. Parking is free at Karbach Brewing Co.; participants should follow event parking signs.
Distances and formats
- 10K - two loops
- 5K - one loop
- Kids and Family 1K walk (0.62 miles)
- Virtual 5K
- Virtual 10K
Prizes include top three overall male and female, top three masters overall male and female, and first place age group winners in ten-year divisions. Age group awards must be claimed at the awards tent on race day. Awards not claimed on race day can be shipped at participant expense for $9.95. Age group award details are subject to change. Visit the organization's website for the most recent information.
