New Cancellations
| Event | Country | Date | Cancellation Note |
|---|---|---|---|
| Appleton Thorn parkrun | United Kingdom | 2025-12-20 | No participants |
| Cutler Park parkrun | United States | 2025-12-20 | Course unsafe or blocked |
| Delaware and Raritan Canal parkrun | United States | 2025-12-20 | Course unsafe or blocked |
| Feltham parkrun | United Kingdom | 2025-12-20 | Weather |
| Merrymeeting parkrun | United States | 2025-12-20 | Course unsafe or blocked |
| Orchard Community parkrun | Canada | 2025-12-20 | Course unsafe or blocked |
| Peace Valley parkrun | United States | 2025-12-20 | Course unsafe or blocked |
| Silksworth parkrun | United Kingdom | 2025-12-20 | Course unsafe or blocked |
| Werrington parkrun | United Kingdom | 2025-12-20 | Weather |
| Whitecliffe Lake parkrun | United Kingdom | 2025-12-20 | Course unsafe or blocked |
| Eastbourne junior parkrun | United Kingdom | 2025-12-21 | Shortage of volunteers |
| Nursery Drive junior parkrun, Ballinlough | Ireland | 2025-12-21 | Course unsafe or blocked |
| Watermead Country Park junior parkrun | United Kingdom | 2025-12-21 | Weather |
| Yeovil Rec junior parkrun | United Kingdom | 2025-12-21 | Weather |