From the Facebook event page:

Who: YOU!
What: GABF After Party
Where: 5280 Burger Bar - located in the Denver Pavilions
When: Saturday October 5th 8PM-MIDNIGHT

Featuring High Hops Brewery & Bonfire Brewing.

+Music by Something Vinyl Club
+Specialty Beer Tappings
+Meet the Breweries
+Giveaways
+Chef Crafted Burgers