| Deadline - Adult Fall Softball Leagues | 08/06/2026 |
| Deadline - Adult Learn to Play Bocce Ball | 03/27/2026 |
| Deadline - Adult Spring Softball Leagues | 03/05/2026 |
| Deadline - Adult Summer Softball Leagues | 05/07/2026 |
| Deadline - Fall Youth Flag Football | 08/11/2026 |
| Deadline - Kiddie Corral I | 04/13/2026 |
| Deadline - Kiddie Corral I | 04/20/2026 |
| Deadline - Kiddie Corral I | 03/09/2026 |
| Deadline - Preseason Spring Flag Football Camp | 03/05/2026 |
| Deadline - SkateStart Level 1 | 04/17/2026 |
| Deadline - Spring Break Skateboarding Camp | 03/13/2026 |
| Deadline - Wednesday Mixed Leagues | 04/03/2026 |
| Deadline - Weekday T-ball League | 05/01/2026 |
| Deadline - Youth & Adult Saturday Introduction to Horses | 03/28/2026 |
| Deadline - Youth & Adult Saturday Introduction to Horses | 04/25/2026 |
| Deadline - Youth Baseball & Softball May Clinics | 04/27/2026 |
| Deadline - Youth Beginning Horsemanship | 03/09/2026 |
| Deadline - Youth Pom Dance Team | 03/23/2026 |
| Deadline - Youth Preseason Flag Football Clinic | 08/20/2026 |
| Deadline - Youth Rugby Camp | 04/06/2026 |
| Deadline - Youth Spring Coed Flag Football | 03/03/2026 |
| Deadline - Youth Spring Introduction to Lacrosse | 03/27/2026 |
| Deadline - Youth Spring Spirit Team | 03/09/2026 |
| Deadline - Youth T-ball, Baseball & Girls Softball | 04/14/2026 |
| Fourth of July Fireworks | 07/04/2026 5:30 p.m. - 9:30 p.m. |
| Fourth of July Parade | 07/04/2024 8:45 a.m. - 10:30 a.m. |
| Fourth of July Parade | 07/04/2026 9:00 a.m. - 10:30 a.m. |
| Free Christmas Tree Recycling: Dec. 26 - Jan. 11 | 12/26/2025 |
| Friends of the Highlands Ranch Senior Center Fall Craft Fair | 10/24/2026 9:00 a.m. - 3:00 p.m. |
| Friends of the Highlands Ranch Senior Center Spring Craft Fair | 05/16/2026 9:00 a.m. - 3:00 p.m. |
