New Cancellations
| Event | Country | Date | Cancellation Note |
|---|---|---|---|
| Appleton Thorn parkrun | United Kingdom | 2025-12-06 | No participants |
| Breakwater parkrun | Canada | 2025-12-06 | Weather |
| Christie parkrun | United Kingdom | 2025-12-06 | Course unsafe or blocked |
| Dunleath Playing Fields parkrun | United Kingdom | 2025-12-06 | Course unsafe or blocked |
| Jessiefield parkrun | United Kingdom | 2025-12-06 | Course unsafe or blocked |
| Newport parkrun | United Kingdom | 2025-12-06 | Venue unavailable |
| Castle Playing Fields junior parkrun | United Kingdom | 2025-12-07 | Shortage of volunteers |
| Cottenham Recreation Ground junior parkrun | United Kingdom | 2025-12-07 | Shortage of volunteers |
| Holmebrook Valley junior parkrun | United Kingdom | 2025-12-07 | Course unsafe or blocked |
| Woodvale junior parkrun | United Kingdom | 2025-12-07 | Shortage of volunteers |