Downtown Greeley was once again transformed into a playground for creatures of the night on Saturday, August 23rd, 2025, as thousands gathered to celebrate Monster Day.

One of the biggest highlights of the festival is always the costume contest—and this year’s showdown did not disappoint. Contestants went all out, bringing larger-than-life props, elaborate makeup, and jaw-dropping creativity to the stage. With over $2,000 in prizes up for grabs, the competition was fierce as participants vied for the coveted title of Monster Day Champion.

The streets brimmed with every kind of monster imaginable: classic icons like vampires and Frankenstein’s monster stalked the crowds, while one-of-a-kind original creations left spectators both amazed and spooked.

Scroll through the gallery below to see some of the unforgettable costumes from this year’s contest.

The creativity and dedication on display this year were nothing short of extraordinary. From intricate stitching to elaborate makeup and terrifying props, every detail showed the passion and imagination that makes Monster Day so special. Each costume told its own story, turning Downtown Greeley into a stage for both horror and artistry.

Once again, Monster Day proved it’s more than just an event—it’s a community celebration of all things spooky, strange, and magical. A huge thank you to the participants, spectators, and volunteers who brought the monsters to life and made this year unforgettable. We couldn’t have done it without you!