Description

The largest and longest running Halloween races in Colorado! Starting in 2006 in Downtown Louisville, we change the race theme each year; from Dracula, Spiders and Frankenstein...we are doing MOVIE MONSTERS for 2026! Runners will recive a LOGO'd Buff, glow sticks and racer bib...then a Finisher Medal, Logo'd Pint Glass, and snacks and drinks at the finish. Costume contests, pie-eating contests, scary music and large "montserous" blow ups, and more! 

The best race you will do ALL YEAR LONG! Kids Scary Monster Mile after each race- ALL WELCOME. 

Choose from a 5K, 10K, Half Marathon or Mile! 

Sign up here: https://coloradoraceevents.redpodium.com/monsterdash-runs-2026-denlouis