Old Main Theatre is a live event venue in Boulder, CO. There are 8 upcoming events listed here right now, including The 150 Project. The next one is The 150 Project on Friday, November 6, 2026 at 7:30 PM.
Pick an event to open the seating map for that date. Section layouts can change with the stage setup, so check the map for the specific event before you choose seats.
Upcoming events at Old Main Theatre
Who is playing Old Main Theatre
- The 150 Project · 8 dates