Candlelight - Coldplay and Imagine Dragons at St. John's Episcopal Church of Boulder

Candlelight - Queen vs ABBA at St. John's Episcopal Church of Boulder

Fri, 30 Oct at 06:30 pm St. John's Episcopal Church of Boulder

Colorado Buffaloes Womens Soccer vs. Cincinnati Bearcats Womens Soccer

Fri, 30 Oct at 07:00 pm Prentup Field

Melvin Seals & JGB

Fri, 30 Oct at 07:00 pm Boulder Theater

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

Fri, 30 Oct at 07:30 pm TBA

Deadphish Orchestra "The ghosts of PHISH Halloweens past"

Fri, 30 Oct at 08:00 pm Roots Music Project

Melvin Seals and JGB at Boulder Theater

Fri, 30 Oct at 08:30 pm Boulder Theater

Colorado Buffaloes Football vs. Kansas State Wildcats Football

Sat, 31 Oct at 12:00 am Folsom Field Stadium

Boulder County Water Development Seminar: Past, Present, and Future

Sat, 31 Oct at 08:00 am Unitarian Universalist Church of Boulder

Halloween Monster Book Bash (Kid Friendly)

Sat, 31 Oct at 11:00 am 1909 9th St

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

Sat, 31 Oct at 01:00 pm TBA

6th Annual Motown Haunted Prom - Halloween Dance Party

Sat, 31 Oct at 07:00 pm Roots Music Project

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

Sat, 31 Oct at 07:30 pm TBA

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