| RESCHEDULED Downtown Development Authority (DDA) | 08/10/2015 6:30 p.m. - 8:30 p.m. | |
| RESCHEDULED Open Lands Advisory Commission to APRIL 17, 2019 | 04/10/2019 5:30 p.m. - 7:30 p.m. | |
| Rescheduled Spring Shred Event | 06/15/2024 10:00 a.m. - 2:00 p.m. | |
| Respite Care Holiday Ball 2013 | - | |
| Rialto Presents - 3 Redneck Tenors | 09/16/2023 | |
| Rialto Presents - Animaniacs in Concert | 01/27/2024 | |
| Rialto Presents - Bella Gaia | 09/28/2023 | |
| Rialto Presents - Defying Gravity: The Music of Stephen Schwartz | 11/02/2023 | |
| Rialto Presents - Dino-Light | 03/02/2024 | |
| Rialto Presents - Gregorian | 05/23/2024 | |
| Rialto Presents - History That Doesn't Suck | 08/25/2023 | |
| Rialto Presents - Letters Aloud | 11/17/2023 | |
| Rialto Presents - MILF Life Crisis: A Comedy About Dating Again | 02/08/2024 | |
| Rialto Presents - On A Winter's Night | 01/12/2024 | |
| Rialto Presents - The Elders | 03/01/2024 | |
| Rick Takahashi: Tying Flies Exhibit | - | |
| Robotics for All – Adaptation Claw | 07/07/2023 2:00 p.m. - 4:00 p.m. | |
| Robotics for All – Robot Jobs | 07/21/2023 2:00 p.m. - 4:00 p.m. | |
| Robotics for All – Super Car | 07/14/2023 2:00 p.m. - 4:00 p.m. | |
| Running Towards Balance 5K | 07/09/2011 7:30 a.m. | |
