Happening Next

Boulder Halloween Events

Halloween events Happening Next in Boulder, CO

The Fright Crawl | Boulder's #1 Halloween Bar Crawl 2026 | Sat, Oct 31

 TBA 31 Oct 2026
FITNESS USD 8 TO 82

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

 TBA 31 Oct 2026
PARTIES USD 8 TO 71

6th Annual Motown Haunted Prom - Halloween Dance Party

 Roots Music Project 31 Oct 2026
ENTERTAINMENT USD 0 TO 222

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

 TBA 29 Oct 2026
FITNESS USD 8 TO 71

The Fright Crawl | Boulder Halloween Bar Crawl 2026 | Fri, Oct 30

 TBA 30 Oct 2026
FITNESS USD 8 TO 71

Boulder County Trunk or Treat

 Boulder County Sheriff's Office 20 Oct 2026
FITNESS FREE

Choice House Halloween Party!

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

School Days Off Class: What’s Ghouling on in the Garden

 1630 Hawthorn Ave, Boulder, CO, United States, Colorado 80304 13 Oct 2026
WORKSHOPS