--- type: city_events city: boulder country: us timeframe: 2026-10-09/2026-10-11 events_count: 5 last_updated: '2026-10-04T14:13:01Z' canonical: https://staging.eventindex.ai/us/boulder/this-weekend --- # Events in Boulder this weekend (October 9–11, 2026) 5 verified events. Data refreshed daily. Source: EventIndex.ai — the open events layer for AI. ## Music - **Michelle Branch - Boulder Theater** · Sun Oct 11–Mon Oct 12, 22:00 · Boulder Theater, 2030 14th Street · [details](https://staging.eventindex.ai/us/boulder/e/michelle-branch-boulder-theater-evt_9ncV53Wj) · [tickets](https://www.eventticketscenter.com/michelle-branch-boulder-10-11-2026/8135396/t) ## Performing Arts - **Rumors** · Fri Oct 9, 15:30–19:59 · Roe Green Theatre, 1515 Central Campus Mall · [details](https://staging.eventindex.ai/us/boulder/e/rumors-evt_eTiKyOQm) · [tickets](https://www.empiretickets.com/events/musical_play_tickets/8191359/rumors_2026-10-09_19_30_00) - **Rumors** · Sun Oct 11, 10:00–19:59 · Roe Green Theatre, 1515 Central Campus Mall · [details](https://staging.eventindex.ai/us/boulder/e/rumors-evt_6CISfsxZ) · [tickets](https://www.empiretickets.com/events/musical_play_tickets/8191362/rumors_2026-10-11_14_00_00) ## Other - **CU Boulder Sustainability Research Summit** · Fri Oct 9, 11:00–19:00 · CU Boulder University Memorial Center, 1669 Euclid Ave · Free · [details](https://staging.eventindex.ai/us/boulder/e/cu-boulder-sustainability-research-summit-evt_m6LP783f) · [tickets](https://boulder.earth/event/cu-boulder-sustainability-research-summit/2026-10-09/) - **Resource Central's Fall Tool Sale** · Fri Oct 9–Sat Oct 10, 20:00 · Resource Central, 6400 Arapahoe Road · [details](https://staging.eventindex.ai/us/boulder/e/resource-central-s-fall-tool-sale-evt_ojLbeotS) · [tickets](https://visitdenver.com/event/resource-centrals-fall-tool-sale/146913/) ## Free events - **CU Boulder Sustainability Research Summit** · Fri Oct 9, 11:00–19:00 · CU Boulder University Memorial Center, 1669 Euclid Ave · Free · [details](https://staging.eventindex.ai/us/boulder/e/cu-boulder-sustainability-research-summit-evt_m6LP783f) · [tickets](https://boulder.earth/event/cu-boulder-sustainability-research-summit/2026-10-09/) Every page on this site is also available as markdown: append `.md` to the URL. Full API: https://staging.eventindex.ai/openapi.json