Happening Next

Boulder Trick Or Treat Events

Trick or Treat events Happening Next in Boulder, CO

The Fright Crawl | Boulder Halloween Day Bar Crawl 2026 | Sat, Oct 31

 TBA 31 Oct 2026
PARTIES USD 8 TO 71

The Fright Crawl | Boulder Halloween Bar Crawl 2026 | Thurs, Oct. 29

 TBA 29 Oct 2026
FITNESS USD 8 TO 71

Rave from the Grave: Halloween 2026 DJ Party

 Roots Music Project 31 Oct 2026
FITNESS USD 0 TO 222

Choice House Halloween Party!

 6901 Lookout Rd, Boulder, CO, USA 22 Oct 2026
FITNESS FREE